Tag Archives: auto wheel bearing

China Hot selling Original Brand Dac35680042 Wheel Bearing for Changan Auto with Free Design Custom

Product Description

Specifications of Bearing

Timken CZPT bearing CZPT CZPT CZPT Dodge Bearing, Auto/Agricultural Machinery Ball Bearing deep groove ball bearing wheel hub bearing skateboard bearing
HangZhou Flow Group Ltd. Virtually every type of ball and roller bearings. They are available in various cross sections and satisfy a huge variety of operating conditions and application performance requirements. 
A wide assortment of plain bearings, rod ends and bushings are also available to satisfy various oscillating movement needs. The design and material variants are extensive and offer an unparalleled selection from which to meet your application needs. 

Bearing characteristics: SKF  Deep groove ball bearing structure is simple, easy to use, mainly used to bear the radial load, is the most commonly used rolling bearings. 

Application: SKF Deep groove ball bearings can be used for gearboxes, instrumentation, motors, household appliances, internal combustion engines, traffic vehicles, agricultural machinery, construction machinery, engineering machinery, roller skating shoes, yo-yo, etc. 

Showing of Bearing 

 

Parameters of Bearing

More details of wheel hub bearing 

Model NO.       d D H Ç m
  Germany Sweden Japan Dimension (mm) Weight (kg)
DAC25525716 565592     25 52 20.6 20.6 0.19
DAC25520037 156704     25 52 37 37 0.31
DAC25520042   617546A 25BWD01 25 52 42 42 0.36
DAC25520043 546467/576467 BT2B445539AA   25 52 43 43 0.36
DAC25550043       25 55 43 43 0.44
DAC25560032 445979 BAH5000   25 56 32 32 0.34
DAC29530037 857123AB     29 53 37 37 0.35
DAC30600037       30 60 37 37 0.42
DAC30600337 529891AB BA2B633313CA 30BWD07 30 60.3 37 37 0.42
DAC30600337 545312/581736 434201B/VKBA1307 30BWD07 30 60.3 37 37 0.42
DAC34620037 531910/561447 BAHB311316B/3 0571 4   34 62 37 37 0.41
DAC34640034   VKBA1382 34BWD03/ACA78 34 64 34 34 0.43
DAC34640037 532066DE 605214/VKBA1306 34BWD04/BCA70 34 64 37 37 0.47
DAC34640037 540466B/8571 BA2B3 0571 6 34BWD11 34 64 37 37 0.47
DAC34660037 559529/580400 CA 636114A/479399 34BWD10B 34 66 37 37 0.5
DAC35640037   BAH0042   35 64 35 35 0.4
DAC35650035 546238A BA2B443952/445620B   35 65 35 35 0.4
DAC35650037     35BWD19E 35 65 37 37 0.51
DAC35660032   445980A/BAH-5001A   35 66 32 32 0.42
DAC35660033   633676/BAH-0015   35 66 33 33 0.43
DAC35660037 544307C/581571A 311309/BAH-571   35 66 37 37 0.48
DAC35680037 430042C 633528F/633295B 35BWD21 (4RS) 35 68 37 37 0.52
DAC35680037 541153A/549676 BAH0031   35 68 37 37 0.52
DAC35720033 548083 BA2B445535AE XGB 4571 35 72 33 33 0.58
DAC35720033 548033 456162/44762 B XGB 4571 35 72 33 33 0.58
DAC3572571   BAHB633669/BAH0013   35 72.04 33 33 0.58
DAC35725713/31 562686 VKBA1343 35BWD06ACA111 35 72.02 33 31 0.54
DAC35720034 54 0571 /548376 A VKBA857 35BWD01C 35 72 34 34 0.58
DAC35770042   VKBA3763   34.99 77.04 42 42 0.86
DAC37720033   BAH0051B   37 72 33 33 0.51
DAC37720037   BAH0012AM5S   37 72 37 37 0.59
DAC37725717 527631 633571CB   37 72.02 37 37 0.59
DAC37740045 541521C 35715A 37BWD01B 37 74 45 45 0.79
DAC38700037 ZFRTBRGHOO37 BAHB636193C   38 70 37 37 0.56
DAC38700038   686908A 38BWD31CA53 38 70 38 38 0.57
DAC38710033/30   FW135 38BWD09ACA120 37.99 71.02 33 30 0.5
DAC38710039 574795A VKBA3929 30BWD22 37.99 71 39 39 0.62
DAC38720036/33     30BWD12 38 72 36 33  
DAC38720040 575069B VKBA1377   38 72 40 40 0.63
DAC38730040   VKBA3245 38BWD26E 38 73 40 40 0.67
DAC38740036/33 574795A DAD3874368W 38BWD01ACA121 38 74 36 33 0.61

Packing&Delivery

Packing

A. Plastic box+outer carton+pallets
B. Plastic bag+box+carton+pallet
C. Tube package+middle box+carton+pallet
D. Of course we will also be based on your needs

Delivery

1. Most orders will be shipped within 3-5 days of payment being received. 
2. Samples will be shipped by courier as FedEx, UPS, DHL, etc. 
3. More than 3000 set bearings, it is recommended to be shipped by sea (sea transportation).  

Our Main Products 

Our Company

HangZhou Flow Group Ltd is a professional manufacturer of bearings, collecting together production and processing, domestic and foreign trade. The factory specializes in the production and export of many kinds of bearings: Deep groove ball bearing, spherical roller bearing, tapered roller bearing, and so on. The customized bearings is also acceptable and the production will be according to your requirements and samples. 

All bearings in our factory adopt international quality standards. The complete equipment, strict quality control, advanced Japanese technology and quality service provide a guarantee to supply the high-quality bearings for our customers. Domestic sales and service network has covered 15 major cities in China, meanwhile our bearing has sold more than 60 overseas countries and regions. 

Our bearings have been widely used in agriculture, textiles, mining, printing and packaging industries, in addition to applications in airports, air conditioning systems, conveyors and ship also applied. 

If you are interested in any of our bearings or have an intention to order, please feel free to contact us.  

FAQ

SAMPLES
1. Samples quantity: 1-10 PCS are available. 
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost. 
3. It’s better to start your order with Trade Assurance to get full protection for your samples order. 

CUSTOMIZED
The customized LOGO or drawing is acceptable for us. 

MOQ
1. MOQ: 10 PCS mix different standard bearings. 
2. MOQ: 5000 PCS customized your brand bearings. 

OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield. 
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info. 

SUPORT
Please visit our Clunt bearings website, we strongly encourge that you can communicate with us through email, thanks! 

Contact Us

We have all kinds of bearings, just tell me your item number and quantity, best price will be offered to you soon
The material of the bearings, precision rating, seals type, OEM service, etc, all of them we can make according to your requirement

The Different Types of Splines in a Splined Shaft

A splined shaft is a machine component with internal and external splines. The splines are formed in 4 different ways: Involute, Parallel, Serrated, and Ball. You can learn more about each type of spline in this article. When choosing a splined shaft, be sure to choose the right 1 for your application. Read on to learn about the different types of splines and how they affect the shaft’s performance.
splineshaft

Involute splines

Involute splines in a splined shaft are used to secure and extend mechanical assemblies. They are smooth, inwardly curving grooves that resist separation during operation. A shaft with involute splines is often longer than the shaft itself. This feature allows for more axial movement. This is beneficial for many applications, especially in a gearbox.
The involute spline is a shaped spline, similar to a parallel spline. It is angled and consists of teeth that create a spiral pattern that enables linear and rotatory motion. It is distinguished from other splines by the serrations on its flanks. It also has a flat top. It is a good option for couplers and other applications where angular movement is necessary.
Involute splines are also called involute teeth because of their shape. They are flat on the top and curved on the sides. These teeth can be either internal or external. As a result, involute splines provide greater surface contact, which helps reduce stress and fatigue. Regardless of the shape, involute splines are generally easy to machine and fit.
Involute splines are a type of splines that are used in splined shafts. These splines have different names, depending on their diameters. An example set of designations is for a 32-tooth male spline, a 2,500-tooth module, and a 30 degree pressure angle. An example of a female spline, a fillet root spline, is used to describe the diameter of the splined shaft.
The effective tooth thickness of splines is dependent on the number of keyways and the type of spline. Involute splines in splined shafts should be designed to engage 25 to 50 percent of the spline teeth during the coupling. Involute splines should be able to withstand the load without cracking.

Parallel splines

Parallel splines are formed on a splined shaft by putting 1 or more teeth into another. The male spline is positioned at the center of the female spline. The teeth of the male spline are also parallel to the shaft axis, but a common misalignment causes the splines to roll and tilt. This is common in many industrial applications, and there are a number of ways to improve the performance of splines.
Typically, parallel splines are used to reduce friction in a rotating part. The splines on a splined shaft are narrower on the end face than the interior, which makes them more prone to wear. This type of spline is used in a variety of industries, such as machinery, and it also allows for greater efficiency when transmitting torque.
Involute splines on a splined shaft are the most common. They have equally spaced teeth, and are therefore less likely to crack due to fatigue. They also tend to be easy to cut and fit. However, they are not the best type of spline. It is important to understand the difference between parallel and involute splines before deciding on which spline to use.
The difference between splined and involute splines is the size of the grooves. Involute splines are generally larger than parallel splines. These types of splines provide more torque to the gear teeth and reduce stress during operation. They are also more durable and have a longer life span. And because they are used on farm machinery, they are essential in this type of application.
splineshaft

Serrated splines

A Serrated Splined Shaft has several advantages. This type of shaft is highly adjustable. Its large number of teeth allows large torques, and its shorter tooth width allows for greater adjustment. These features make this type of shaft an ideal choice for applications where accuracy is critical. Listed below are some of the benefits of this type of shaft. These benefits are just a few of the advantages. Learn more about this type of shaft.
The process of hobbing is inexpensive and highly accurate. It is useful for external spline shafts, but is not suitable for internal splines. This type of process forms synchronized shapes on the shaft, reducing the manufacturing cycle and stabilizing the relative phase between spline and thread. It uses a grinding wheel to shape the shaft. CZPT Manufacturing has a large inventory of Serrated Splined Shafts.
The teeth of a Serrated Splined Shaft are designed to engage with the hub over the entire circumference of the shaft. The teeth of the shaft are spaced uniformly around the spline, creating a multiple-tooth point of contact over the entire length of the shaft. The results of these analyses are usually satisfactory. But there are some limitations. To begin with, the splines of the Serrated Splined Shaft should be chosen carefully. If the application requires large-scale analysis, it may be necessary to modify the design.
The splines of the Serrated Splined Shaft are also used for other purposes. They can be used to transmit torque to another device. They also act as an anti-rotational device and function as a linear guide. Both the design and the type of splines determine the function of the Splined Shaft. In the automobile industry, they are used in vehicles, aerospace, earth-moving machinery, and many other industries.

Ball splines

The invention relates to a ball-spinned shaft. The shaft comprises a plurality of balls that are arranged in a series and are operatively coupled to a load path section. The balls are capable of rolling endlessly along the path. This invention also relates to a ball bearing. Here, a ball bearing is 1 of the many types of gears. The following discussion describes the features of a ball bearing.
A ball-splined shaft assembly comprises a shaft with at least 1 ball-spline groove and a plurality of circumferential step grooves. The shaft is held in a first holding means that extends longitudinally and is rotatably held by a second holding means. Both the shaft and the first holding means are driven relative to 1 another by a first driving means. It is possible to manufacture a ball-splined shaft in a variety of ways.
A ball-splined shaft features a nut with recirculating balls. The ball-splined nut rides in these grooves to provide linear motion while preventing rotation. A splined shaft with a nut that has recirculating balls can also provide rotary motion. A ball splined shaft also has higher load capacities than a ball bushing. For these reasons, ball splines are an excellent choice for many applications.
In this invention, a pair of ball-spinned shafts are housed in a box under a carrier device 40. Each of the 2 shafts extends along a longitudinal line of arm 50. One end of each shaft is supported rotatably by a slide block 56. The slide block also has a support arm 58 that supports the center arm 50 in a cantilever fashion.
splineshaft

Sector no-go gage

A no-go gauge is a tool that checks the splined shaft for oversize. It is an effective way to determine the oversize condition of a splined shaft without removing the shaft. It measures external splines and serrations. The no-go gage is available in sizes ranging from 19mm to 130mm with a 25mm profile length.
The sector no-go gage has 2 groups of diametrally opposed teeth. The space between them is manufactured to a maximum space width and the tooth thickness must be within a predetermined tolerance. This gage would be out of tolerance if the splines were measured with a pin. The dimensions of this splined shaft can be found in the respective ANSI or DIN standards.
The go-no-go gage is useful for final inspection of thread pitch diameter. It is also useful for splined shafts and threaded nuts. The thread of a screw must match the contour of the go-no-go gage head to avoid a no-go condition. There is no substitute for a quality machine. It is an essential tool for any splined shaft and fastener manufacturer.
The NO-GO gage can detect changes in tooth thickness. It can be calibrated under ISO17025 standards and has many advantages over a non-go gage. It also gives a visual reference of the thickness of a splined shaft. When the teeth match, the shaft is considered ready for installation. It is a critical process. In some cases, it is impossible to determine the precise length of the shaft spline.
The 45-degree pressure angle is most commonly used for axles and torque-delivering members. This pressure angle is the most economical in terms of tool life, but the splines will not roll neatly like a 30 degree angle. The 45-degree spline is more likely to fall off larger than the other two. Oftentimes, it will also have a crowned look. The 37.5 degree pressure angle is a compromise between the other 2 pressure angles. It is often used when the splined shaft material is harder than usual.

China Hot selling Original Brand Dac35680042 Wheel Bearing for Changan Auto with Free Design CustomChina Hot selling Original Brand Dac35680042 Wheel Bearing for Changan Auto with Free Design Custom

China Professional OEM High Performance Auto Wheel Hub Bearing 30*55*26mm DAC30550026 Auto Bearing with Hot selling

Product Description

Auto Parts Car Front Wheel Hub Bearings

                                                          Application  

            Papermaking machinery                                                                      Speed Reducer   

          Railway Vehicle Axle                                                                  Gear Box Bearing Seat Of Rolling Mill,
          
          Roller Crusher, Vibrating Screen                                                Printing Machinery

          Woodworking Machinery                                                             Various Industrial Reducer

          Vertical Belt Seat Adjusting Center Bearing                                Lifting Transportation 
   

Wheel hub bearing’s main function is to provide accurate CZPT for the rotation of the wheel hub, it carry axial load,
and bear radial load, is a very important component.Wheel hub bearing unit is in the standard angular contact ball bearings
and tapered roller bearings, on the basis of it will be 2 sets of bearing as a whole, the advantages are the assembly
performance is good, can omit clearance adjustment, light weight, tight structure, and load capacity is big, can first fill grease
when sealed bearing, omit the external wheel hub seal and no maintenance etc, and has been widely used in cars,
in a truck also has a tendency to gradually expand the application.

Chrome Steel Wheel Hub Bearings   

Product Name Wheel Hub Bearings
Precision Rating P6, P0, P5, P4, P2
Material Bearing Steel   43(45) 82 37 37 0.76
DAC367629.2/27 36 76 29.2 27 0.55 DAC4482.50037 44 82.5 37 37 0.73
DAC3676571/27 36 76 29 27 0.55 DAC44840042/40 44 84 42 40 0.92
DAC37680034 37 68 34 34 0.52 DAC45770050/45 45 77 50 45  
DAC37720033 37 72 33 33 0.58 DAC45800045 45 80 45 45 0.78
DAC37720037 37 72 37 37 0.59 DAC45830039 45 83 39 39 0.83
DAC37725717 37 72.02 37 37 0.59 DAC45840039 45 84 39 39 0.85
DAC3772571 37 72.04 37 37 0.59 DAC45840041/39 45 84 41 39 0.8
DAC37740037 37 74 37 37 0.61 DAC45840042/40 45 84 42 40 0.94
DAC37740045 37 74 45 45 0.79 DAC45840043 45 84 43 43 0.96
DAC38640032/29 38 64 32 39   DAC45840045 45 84 45 45 1
DAC38640036/33 38 64 36 33   DAC45840053 45 84 53 53  
DAC38640036/33 38 64 36 33   DAC4585571 45 85 23 23 0.54
DAC38650052/48 38 65 52 48   DAC458500302 45 85 30.2 30.2 0.63
DAC38700037 38 70 37 37 0.56 DAC45850045 45 85 45 45 0.96
DAC38700038 38 70 38 38 0.57 DAC45850047 45 85 47 47 0.98
DAC38710033/30 38 71 33 30 0.5 DAC45850051 45 85 51 51 1.02
DAC38710039 38 71 39 39 0.58 DAC45870041/39 45 87 41 39 0.92
DAC38715713/30 38 71.02 33 30 0.5 DAC45880039 45 88 39 39 0.9
DAC38720036/33 38 72 36 33 0.56 DAC45900054/51 45 90 54 51  
DAC38725716/33 38 72.02 36 33 0.56 DAC46780049 46 78 49 49  
DAC38720034 38 72 34 34 0.55 DAC46800043/40 46 80 43 40  
DAC38720040 38 72 40 40 0.63 DAC47810053 47 81 53 53 1.02
DAC38730040 38 73 40 40 0.67 DAC47850045 47 85 45 45 0.85
DAC38740036 38 74 36 36 0.62 DAC47880055 47 88 55 55  
DAC38740036/33 38 74 36 33 0.61 DAC47880055 47 88 55 55  
DAC38745716/33 38 74.02 36 33 0.59 DAC47880057.4 47 88 57.4 57.4  
DAC38740040 38 74 40 40 0.67 DAC48860042/40 48 86 42 40 0.96
DAC38740050 38 74 50 50 0.85 DAC48890044 48 89 44 44 1.07
DAC38740450 38 74.04 50 50 0.85 DAC48890044/42 48 89 44 42 1.07
DAC38760043/40 38 76 43 40   DAC48900042 48 90 42 42 1.09
DAC38760043 68 76 43 43   DAC49840042/40 49 84 42 40 0.99
DAC3885716/33 38 80.02 36 33   DAC49840043 49 84 43 43  
DAC39/41750037 39/41 75 37 37 0.62 DAC49840048 49 84 48 48 1.06
DAC39680037 39 68 37 37 0.48 DAC49840050 49 84 50 50 1.08
DAC39680637 39 68.06 37 37 0.48 DAC49880046 49 88 46 46 1.05
DAC3968571 39 68.07 37 37 0.48 DAC49900045 49 90 45 45 1.08
DAC39720037 39 72 37 37 0.6 DAC50900040 50 90 40 40  
DAC39720037 39 72 37 37 0.6 DAC51890044/42 51 89 44 42  
DAC39720637 39 72.06 37 37 0.6 DAC51910044 51 91 44 44  
DAC39720040 39 72 40 40 0.61 DAC51960050 51 96 50 50  
DAC39740036 39 74 36 36 0.54 DAC52910040 52 91 40 40  
DAC39740036/34 39 74 36 34 0.52 DAC54900050 54 90 50 50  
DAC39740039 39 74 39 39 0.66 DAC54920050 54 92 50 50  
DAC39.1740036/34 39.1 74 36 34 0.66 DAC54960051 54 96 51 51  
DAC40700043 40 70 43 43 0.63 DAC55900060 55 90 60 60  

                                                                         About Us
HENGLI Machinery Company is a well-established Chinese bearing supplier. We design, manufacture and wholesale bearings.
Our specialized manufacturer of Spherical Roller Bearing & Cylindrical Roller Bearing, XIHU (WEST LAKE) DIS. Rolling Bearing Co., Ltd was established in 1970 and is accredited by the Chinese Ministry of Machine Building.

We invested in 2 additional specialized bearing factories, which allow us to provide our clients with top of the line products such 
as Needle Roller Bearings, Spherical Plain Bearings, Rod Ends Bearings, Ball Joint Bearings, Tapered Roller Bearings, Wheel Hub Bearings and Non-Standard Bearings.


 

 

FAQ
Q1 – What is our advantages?

     A    – Manufacturer – Do it only with the Best;

            -Your Choice make different. 

Q2 – Our Products

 A   – Spherical Roller Bearing, Cylindrical Roller Bearing, Needle Roller Bearing, Cam Followers, Thrust Bearing

      – Spherical Plain Bearing, Rod End, Ball Joint, Wheel Hub, Tapered Roller Bearing

Q3 – Process of our production

 A – Heat Treatment – Grinding – Parts Inspection – Assembly – Final Inspection – Packing

Q4 – How to customize bearing(non-standard) from your company?

 A -We offer OEM,Customized(Non-standard) service and you need to provide drawing and detailed Technical Data.

Q5 –   What should I care before installation?

 A   – Normally, the preservative with which new bearings are coated before leaving the factory does not need to be

        removed; it is only necessary to wipe off the outside cylin­drical surface and bore, if the grease is not compatible

        with the preservative, it is necessary to wash and carefully dry the bearing.

      -Bearings should be installed in a dry, dust-free room away from metal working or other machines producing

        swarf and dust.

Q6 – How to stock and maintenance my bearings right? 

 A   – Do not store bearings directly on concrete floors, where water can condense and collect on the bearing;

      -Store the bearings on a pallet or shelf, in an area where the bearings will not be subjected to high humidity

       or sudden and severe temperature changes that may result in condensation forming;

      -Always put oiled paper or, if not available, plastic sheets between rollers and cup races of tapered roller bearings.

 

How to Calculate the Diameter of a Worm Gear

worm shaft
In this article, we will discuss the characteristics of the Duplex, Single-throated, and Undercut worm gears and the analysis of worm shaft deflection. Besides that, we will explore how the diameter of a worm gear is calculated. If you have any doubt about the function of a worm gear, you can refer to the table below. Also, keep in mind that a worm gear has several important parameters which determine its working.

Duplex worm gear

A duplex worm gear set is distinguished by its ability to maintain precise angles and high gear ratios. The backlash of the gearing can be readjusted several times. The axial position of the worm shaft can be determined by adjusting screws on the housing cover. This feature allows for low backlash engagement of the worm tooth pitch with the worm gear. This feature is especially beneficial when backlash is a critical factor when selecting gears.
The standard worm gear shaft requires less lubrication than its dual counterpart. Worm gears are difficult to lubricate because they are sliding rather than rotating. They also have fewer moving parts and fewer points of failure. The disadvantage of a worm gear is that you cannot reverse the direction of power due to friction between the worm and the wheel. Because of this, they are best used in machines that operate at low speeds.
Worm wheels have teeth that form a helix. This helix produces axial thrust forces, depending on the hand of the helix and the direction of rotation. To handle these forces, the worms should be mounted securely using dowel pins, step shafts, and dowel pins. To prevent the worm from shifting, the worm wheel axis must be aligned with the center of the worm wheel’s face width.
The backlash of the CZPT duplex worm gear is adjustable. By shifting the worm axially, the section of the worm with the desired tooth thickness is in contact with the wheel. As a result, the backlash is adjustable. Worm gears are an excellent choice for rotary tables, high-precision reversing applications, and ultra-low-backlash gearboxes. Axial shift backlash is a major advantage of duplex worm gears, and this feature translates into a simple and fast assembly process.
When choosing a gear set, the size and lubrication process will be crucial. If you’re not careful, you might end up with a damaged gear or 1 with improper backlash. Luckily, there are some simple ways to maintain the proper tooth contact and backlash of your worm gears, ensuring long-term reliability and performance. As with any gear set, proper lubrication will ensure your worm gears last for years to come.
worm shaft

Single-throated worm gear

Worm gears mesh by sliding and rolling motions, but sliding contact dominates at high reduction ratios. Worm gears’ efficiency is limited by the friction and heat generated during sliding, so lubrication is necessary to maintain optimal efficiency. The worm and gear are usually made of dissimilar metals, such as phosphor-bronze or hardened steel. MC nylon, a synthetic engineering plastic, is often used for the shaft.
Worm gears are highly efficient in transmission of power and are adaptable to various types of machinery and devices. Their low output speed and high torque make them a popular choice for power transmission. A single-throated worm gear is easy to assemble and lock. A double-throated worm gear requires 2 shafts, 1 for each worm gear. Both styles are efficient in high-torque applications.
Worm gears are widely used in power transmission applications because of their low speed and compact design. A numerical model was developed to calculate the quasi-static load sharing between gears and mating surfaces. The influence coefficient method allows fast computing of the deformation of the gear surface and local contact of the mating surfaces. The resultant analysis shows that a single-throated worm gear can reduce the amount of energy required to drive an electric motor.
In addition to the wear caused by friction, a worm wheel can experience additional wear. Because the worm wheel is softer than the worm, most of the wear occurs on the wheel. In fact, the number of teeth on a worm wheel should not match its thread count. A single-throated worm gear shaft can increase the efficiency of a machine by as much as 35%. In addition, it can lower the cost of running.
A worm gear is used when the diametrical pitch of the worm wheel and worm gear are the same. If the diametrical pitch of both gears is the same, the 2 worms will mesh properly. In addition, the worm wheel and worm will be attached to each other with a set screw. This screw is inserted into the hub and then secured with a locknut.

Undercut worm gear

Undercut worm gears have a cylindrical shaft, and their teeth are shaped in an evolution-like pattern. Worms are made of a hardened cemented metal, 16MnCr5. The number of gear teeth is determined by the pressure angle at the zero gearing correction. The teeth are convex in normal and centre-line sections. The diameter of the worm is determined by the worm’s tangential profile, d1. Undercut worm gears are used when the number of teeth in the cylinder is large, and when the shaft is rigid enough to resist excessive load.
The center-line distance of the worm gears is the distance from the worm centre to the outer diameter. This distance affects the worm’s deflection and its safety. Enter a specific value for the bearing distance. Then, the software proposes a range of suitable solutions based on the number of teeth and the module. The table of solutions contains various options, and the selected variant is transferred to the main calculation.
A pressure-angle-angle-compensated worm can be manufactured using single-pointed lathe tools or end mills. The worm’s diameter and depth are influenced by the cutter used. In addition, the diameter of the grinding wheel determines the profile of the worm. If the worm is cut too deep, it will result in undercutting. Despite the undercutting risk, the design of worm gearing is flexible and allows considerable freedom.
The reduction ratio of a worm gear is massive. With only a little effort, the worm gear can significantly reduce speed and torque. In contrast, conventional gear sets need to make multiple reductions to get the same reduction level. Worm gears also have several disadvantages. Worm gears can’t reverse the direction of power because the friction between the worm and the wheel makes this impossible. The worm gear can’t reverse the direction of power, but the worm moves from 1 direction to another.
The process of undercutting is closely related to the profile of the worm. The worm’s profile will vary depending on the worm diameter, lead angle, and grinding wheel diameter. The worm’s profile will change if the generating process has removed material from the tooth base. A small undercut reduces tooth strength and reduces contact. For smaller gears, a minimum of 14-1/2degPA gears should be used.
worm shaft

Analysis of worm shaft deflection

To analyze the worm shaft deflection, we first derived its maximum deflection value. The deflection is calculated using the Euler-Bernoulli method and Timoshenko shear deformation. Then, we calculated the moment of inertia and the area of the transverse section using CAD software. In our analysis, we used the results of the test to compare the resulting parameters with the theoretical ones.
We can use the resulting centre-line distance and worm gear tooth profiles to calculate the required worm deflection. Using these values, we can use the worm gear deflection analysis to ensure the correct bearing size and worm gear teeth. Once we have these values, we can transfer them to the main calculation. Then, we can calculate the worm deflection and its safety. Then, we enter the values into the appropriate tables, and the resulting solutions are automatically transferred into the main calculation. However, we have to keep in mind that the deflection value will not be considered safe if it is larger than the worm gear’s outer diameter.
We use a four-stage process for investigating worm shaft deflection. We first apply the finite element method to compute the deflection and compare the simulation results with the experimentally tested worm shafts. Finally, we perform parameter studies with 15 worm gear toothings without considering the shaft geometry. This step is the first of 4 stages of the investigation. Once we have calculated the deflection, we can use the simulation results to determine the parameters needed to optimize the design.
Using a calculation system to calculate worm shaft deflection, we can determine the efficiency of worm gears. There are several parameters to optimize gearing efficiency, including material and geometry, and lubricant. In addition, we can reduce the bearing losses, which are caused by bearing failures. We can also identify the supporting method for the worm shafts in the options menu. The theoretical section provides further information.

China Professional OEM High Performance Auto Wheel Hub Bearing 30*55*26mm DAC30550026 Auto Bearing with Hot sellingChina Professional OEM High Performance Auto Wheel Hub Bearing 30*55*26mm DAC30550026 Auto Bearing with Hot selling

China wholesaler OEM DAC20420030/29 Front Wheel Hub Bearing for Auto Parts/Car/Automotive/Auto Spare Part with high quality

Product Description

Auto Parts Car Front Wheel Hub Bearings

                                                          Application  

            Papermaking machinery                                                                      Speed Reducer   

          Railway Vehicle Axle                                                                  Gear Box Bearing Seat Of Rolling Mill,
          
          Roller Crusher, Vibrating Screen                                                Printing Machinery

          Woodworking Machinery                                                             Various Industrial Reducer

          Vertical Belt Seat Adjusting Center Bearing                                Lifting Transportation 
   

Wheel hub bearing’s main function is to provide accurate CZPT for the rotation of the wheel hub, it carry axial load,
and bear radial load, is a very important component.Wheel hub bearing unit is in the standard angular contact ball bearings
and tapered roller bearings, on the basis of it will be 2 sets of bearing as a whole, the advantages are the assembly
performance is good, can omit clearance adjustment, light weight, tight structure, and load capacity is big, can first fill grease
when sealed bearing, omit the external wheel hub seal and no maintenance etc, and has been widely used in cars,
in a truck also has a tendency to gradually expand the application.

Chrome Steel Wheel Hub Bearings   

Product Name Wheel Hub Bearings
Precision Rating P6, P0, P5, P4, P2
Material Bearing Steel   43(45) 82 37 37 0.76
DAC367629.2/27 36 76 29.2 27 0.55 DAC4482.50037 44 82.5 37 37 0.73
DAC3676571/27 36 76 29 27 0.55 DAC44840042/40 44 84 42 40 0.92
DAC37680034 37 68 34 34 0.52 DAC45770050/45 45 77 50 45  
DAC37720033 37 72 33 33 0.58 DAC45800045 45 80 45 45 0.78
DAC37720037 37 72 37 37 0.59 DAC45830039 45 83 39 39 0.83
DAC37725717 37 72.02 37 37 0.59 DAC45840039 45 84 39 39 0.85
DAC3772571 37 72.04 37 37 0.59 DAC45840041/39 45 84 41 39 0.8
DAC37740037 37 74 37 37 0.61 DAC45840042/40 45 84 42 40 0.94
DAC37740045 37 74 45 45 0.79 DAC45840043 45 84 43 43 0.96
DAC38640032/29 38 64 32 39   DAC45840045 45 84 45 45 1
DAC38640036/33 38 64 36 33   DAC45840053 45 84 53 53  
DAC38640036/33 38 64 36 33   DAC4585571 45 85 23 23 0.54
DAC38650052/48 38 65 52 48   DAC458500302 45 85 30.2 30.2 0.63
DAC38700037 38 70 37 37 0.56 DAC45850045 45 85 45 45 0.96
DAC38700038 38 70 38 38 0.57 DAC45850047 45 85 47 47 0.98
DAC38710033/30 38 71 33 30 0.5 DAC45850051 45 85 51 51 1.02
DAC38710039 38 71 39 39 0.58 DAC45870041/39 45 87 41 39 0.92
DAC38715713/30 38 71.02 33 30 0.5 DAC45880039 45 88 39 39 0.9
DAC38720036/33 38 72 36 33 0.56 DAC45900054/51 45 90 54 51  
DAC38725716/33 38 72.02 36 33 0.56 DAC46780049 46 78 49 49  
DAC38720034 38 72 34 34 0.55 DAC46800043/40 46 80 43 40  
DAC38720040 38 72 40 40 0.63 DAC47810053 47 81 53 53 1.02
DAC38730040 38 73 40 40 0.67 DAC47850045 47 85 45 45 0.85
DAC38740036 38 74 36 36 0.62 DAC47880055 47 88 55 55  
DAC38740036/33 38 74 36 33 0.61 DAC47880055 47 88 55 55  
DAC38745716/33 38 74.02 36 33 0.59 DAC47880057.4 47 88 57.4 57.4  
DAC38740040 38 74 40 40 0.67 DAC48860042/40 48 86 42 40 0.96
DAC38740050 38 74 50 50 0.85 DAC48890044 48 89 44 44 1.07
DAC38740450 38 74.04 50 50 0.85 DAC48890044/42 48 89 44 42 1.07
DAC38760043/40 38 76 43 40   DAC48900042 48 90 42 42 1.09
DAC38760043 68 76 43 43   DAC49840042/40 49 84 42 40 0.99
DAC3885716/33 38 80.02 36 33   DAC49840043 49 84 43 43  
DAC39/41750037 39/41 75 37 37 0.62 DAC49840048 49 84 48 48 1.06
DAC39680037 39 68 37 37 0.48 DAC49840050 49 84 50 50 1.08
DAC39680637 39 68.06 37 37 0.48 DAC49880046 49 88 46 46 1.05
DAC3968571 39 68.07 37 37 0.48 DAC49900045 49 90 45 45 1.08
DAC39720037 39 72 37 37 0.6 DAC50900040 50 90 40 40  
DAC39720037 39 72 37 37 0.6 DAC51890044/42 51 89 44 42  
DAC39720637 39 72.06 37 37 0.6 DAC51910044 51 91 44 44  
DAC39720040 39 72 40 40 0.61 DAC51960050 51 96 50 50  
DAC39740036 39 74 36 36 0.54 DAC52910040 52 91 40 40  
DAC39740036/34 39 74 36 34 0.52 DAC54900050 54 90 50 50  
DAC39740039 39 74 39 39 0.66 DAC54920050 54 92 50 50  
DAC39.1740036/34 39.1 74 36 34 0.66 DAC54960051 54 96 51 51  
DAC40700043 40 70 43 43 0.63 DAC55900060 55 90 60 60  

                                                                         About Us
HENGLI Machinery Company is a well-established Chinese bearing supplier. We design, manufacture and wholesale bearings.
Our specialized manufacturer of Spherical Roller Bearing & Cylindrical Roller Bearing, XIHU (WEST LAKE) DIS. Rolling Bearing Co., Ltd was
established in 1970 and is accredited by the Chinese Ministry of Machine Building.

We invested in 2 additional specialized bearing factories, which allow us to provide our clients with top of the line products such 
as Needle Roller Bearings, Spherical Plain Bearings, Rod Ends Bearings, Ball Joint Bearings, Tapered Roller Bearings, 
Wheel Hub Bearings and Non-Standard Bearings.


 

 

FAQ
Q1 – What is our advantages?

     A    – Manufacturer – Do it only with the Best;

            -Your Choice make different. 

Q2 – Our Products

 A   – Spherical Roller Bearing, Cylindrical Roller Bearing, Needle Roller Bearing, Cam Followers, Thrust Bearing

      – Spherical Plain Bearing, Rod End, Ball Joint, Wheel Hub, Tapered Roller Bearing

Q3 – Process of our production

 A – Heat Treatment – Grinding – Parts Inspection – Assembly – Final Inspection – Packing

Q4 – How to customize bearing(non-standard) from your company?

 A -We offer OEM,Customized(Non-standard) service and you need to provide drawing and detailed Technical Data.

Q5 –   What should I care before installation?

 A   – Normally, the preservative with which new bearings are coated before leaving the factory does not need to be

        removed; it is only necessary to wipe off the outside cylin­drical surface and bore, if the grease is not compatible

        with the preservative, it is necessary to wash and carefully dry the bearing.

      -Bearings should be installed in a dry, dust-free room away from metal working or other machines producing

        swarf and dust.

Q6 – How to stock and maintenance my bearings right? 

 A   – Do not store bearings directly on concrete floors, where water can condense and collect on the bearing;

      -Store the bearings on a pallet or shelf, in an area where the bearings will not be subjected to high humidity

       or sudden and severe temperature changes that may result in condensation forming;

      -Always put oiled paper or, if not available, plastic sheets between rollers and cup races of tapered roller bearings.

The Functions of Splined Shaft Bearings

Splined shafts are the most common types of bearings for machine tools. They are made of a wide variety of materials, including metals and non-metals such as Delrin and nylon. They are often fabricated to reduce deflection. The tooth profile will become deformed with time, as the shaft is used over a long period of time. Splined shafts are available in a huge range of materials and lengths.

Functions

Splined shafts are used in a variety of applications and industries. They are an effective anti-rotational device, as well as a reliable means of transmitting torque. Other types of shafts are available, including key shafts, but splines are the most convenient for transmitting torque. The following article discusses the functions of splines and why they are a superior choice. Listed below are a few examples of applications and industries in which splines are used.
Splined shafts can be of several styles, depending on the application and mechanical system in question. The differences between splined shaft styles include the design of teeth, overall strength, transfer of rotational concentricity, sliding ability, and misalignment tolerance. Listed below are a few examples of splines, as well as some of their benefits. The difference between these styles is not mutually exclusive; instead, each style has a distinct set of pros and cons.
A splined shaft is a cylindrical shaft with teeth or ridges that correspond to a specific angular position. This allows a shaft to transfer torque while maintaining angular correspondence between tracks. A splined shaft is defined as a cylindrical member with several grooves cut into its circumference. These grooves are equally spaced around the shaft and form a series of projecting keys. These features give the shaft a rounded appearance and allow it to fit perfectly into a grooved cylindrical member.
While the most common applications of splines are for shortening or extending shafts, they can also be used to secure mechanical assemblies. An “involute spline” spline has a groove that is wider than its counterparts. The result is that a splined shaft will resist separation during operation. They are an ideal choice for applications where deflection is an issue.
A spline shaft’s radial torsion load distribution is equally distributed, unless a bevel gear is used. The radial torsion load is evenly distributed and will not exert significant load concentration. If the spline couplings are not aligned correctly, the spline connection can fail quickly, causing significant fretting fatigue and wear. A couple of papers discuss this issue in more detail.
splineshaft

Types

There are many different types of splined shafts. Each type features an evenly spaced helix of grooves on its outer surface. These grooves are either parallel or involute. Their shape allows them to be paired with gears and interchange rotary and linear motion. Splines are often cold-rolled or cut. The latter has increased strength compared to cut spines. These types of shafts are commonly used in applications requiring high strength, accuracy, and smoothness.
Another difference between internal and external splined shafts lies in the manufacturing process. The former is made of wood, while the latter is made of steel or a metal alloy. The process of manufacturing splined shafts involves cutting furrows into the surface of the material. Both processes are expensive and require expert skill. The main advantage of splined shafts is their adaptability to a wide range of applications.
In general, splined shafts are used in machinery where the rotation is transferred to an internal splined member. This member can be a gear or some other rotary device. These types of shafts are often packaged together as a hub assembly. Cleaning and lubricating are essential to the life of these components. If you’re using them on a daily basis, you’ll want to make sure to regularly inspect them.
Crowned splines are usually involute. The teeth of these splines form a spiral pattern. They are used for smaller diameter shafts because they add strength. Involute splines are also used on instrument drives and valve shafts. Serration standards are found in the SAE. Both kinds of splines can also contain a ball bearing for high torque. The difference between the 2 types of splines is the number of teeth on the shaft.
Internal splines have many advantages over external ones. For example, an internal spline shaft can be made using a grinding wheel instead of a CNC machine. It also uses a more accurate and economical process. Furthermore, it allows for a shorter manufacturing cycle, which is essential when splining high-speed machines. In addition, it stabilizes the relative phase between the spline and thread.
splineshaft

Manufacturing methods

There are several methods used to fabricate a splined shaft. Key and splined shafts are constructed from 2 separate parts that are shaped in a synchronized manner to transfer torque uniformly. Hot rolling is 1 method, while cold rolling utilizes low temperatures to form metal. Both methods enhance mechanical properties, surface finishes, and precision. The advantage of cold rolling is its cost-effectiveness.
Cold forming is 1 method, as well as machining and assembling. Cold forming is a unique process that allows the spline to be shaped to the desired shape. The resulting shape provides maximum contact area and torsional strength. Standard splines are available in standard sizes, but custom lengths can also be ordered. CZPT offers various auxiliary equipment, such as mating sleeves and flanged bushings.
Cold forging is another method. This method produces long splined shafts that are used in automobile propellers. After the spline portion is cut out, it is worked on in a hobbing machine. Work hardening enhances the root strength of the splined portion. It can be used for bearings, gears, and other mechanical components. Listed below are the manufacturing methods for splined shafts.
Parallel splines are the simplest of the splined shaft manufacturing methods. Parallel splines are usually welded to shafts, while involute splines are made of metal or non-metals. Splines are available in a wide variety of lengths and materials. The process is usually accompanied by a process called milling. The workpiece rotates to produce the serrated surface.
Splines are internal or external grooves in a splined shaft. They work in combination with keyways to transfer torque. Male and female splines are used in gears. Female and male splines correspond to 1 another to ensure proper angular correspondence. Involute splines have more surface area and thus are stronger than external splines. Moreover, they help the shaft fit into a grooved cylindrical member without misalignment.
A variety of other methods of manufacturing a splined shaft can be used to produce a splined shaft. Spline shafts can be produced using broaching and shaping, 2 precision machining methods. Broaching uses a metal tool with successively larger teeth to remove metal and create ridges and holes in the surface of a material. However, this process is expensive and requires special expertise.
splineshaft

Applications

The splined shaft is a mechanical component with a helix-like shape formed by the equal spacing of grooves in a circular ring. The splines can either have parallel or involute sides. The splines minimize stress concentration in stationary joints and can be used in both rotary and linear motion. In some cases, splines are rolled rather than cut. The latter is more durable than cut splines and is often used in applications requiring high strength, accuracy, and smooth finish.
Splined shafts are commonly made of carbon steel. This alloy steel has a low carbon content, making it easy to work with. Carbon steel is a great choice for splines because it is malleable. Generally, high-quality carbon steel provides a consistent motion. Steel alloys are also available that contain nickel, chromium, copper, and other metals. If you’re unsure of the right material for your application, you can consult a spline chart.
Splines are a versatile mechanical component. They are easy to cut and fit. Splines can be internal or external, with teeth positioned at equal intervals on both sides of the shaft. This allows the shaft to engage with the hub around the entire circumference of the hub. It also increases load capacity by creating a constant multiple-tooth point of contact with the hub. For this reason, they’re used extensively in rotary and linear motion.
Splined shafts are used in a wide variety of industries. CZPT Inc. offers custom and standard splined shafts for a variety of applications. When choosing a splined shaft for a specific application, consider the surrounding mated components, torque requirements, and size requirements. These 3 factors will make it the ideal choice for your rotary equipment. And you’ll be pleased with the end result!
There are many types of splines and their applications are endless. They transfer torque and angular misalignment between parts, and they also enable the axial rotation of assembled components. Therefore, splines are an essential component of machinery and are used in a wide range of applications. This type of shaft can be found in various types of machines, from household appliances to industrial machinery. So, the next time you’re looking for a splined shaft, make sure you look for a splined one.

China wholesaler OEM DAC20420030/29 Front Wheel Hub Bearing for Auto Parts/Car/Automotive/Auto Spare Part with high qualityChina wholesaler OEM DAC20420030/29 Front Wheel Hub Bearing for Auto Parts/Car/Automotive/Auto Spare Part with high quality