Product Description

Tapered Roller Bearing 33571/Tractor Bearing/Auto Parts/Car Accessories/Roller Bearing

Feature

• Quality Materials
• Precision Tolerance
• Optimizing Internal Geometries

 

Sr.No.	Bearing No.	Dimension (MM)
		d	D	B
1	32004	20	42	12
2	32005	25	47	15
3	32006	30	55	17
4	32007	35	62	18
5	32008	40	68	19
6	32009	45	75	20
7	32571	50	80	20
8	32011	55	90	23
9	32012	60	95	23
10	32013	65	100	23
11	32014	70	110	25
12	32015	75	115	25
13	32016	80	125	29
14	32017	85	130	29
15	32018	90	140	32
16	32019	95	145	32
17	32571	100	150	32
18	35712	15	35	11.75
19	35713	17	40	13.25
20	35714	20	47	15.25
21	35715	25	52	16.25
22	35716	30	62	17.25
23	35717	35	72	18.25
24	35718	40	80	19.75
25	35719	45	85	20.75
26	35710	50	90	21.75
27	35711	55	100	22.75
28	35712	60	110	23.75
29	35713	65	120	24.75
30	35714	70	125	26.25
31	35715	75	130	27.25
32	35716	80	140	28.25
33	35717	85	150	30.5
34	35718	90	160	32.5
35	35719	95	145	32
36	30302	15	42	14.25
37	30303	15	47	15.25
38	30304	20	52	16.25
39	30305	25	62	18.25
40	30306	30	72	20.75
41	30307	35	80	22.75
42	30308	40	90	25.25
43	30309	45	100	27.25
44	3571	50	110	29.25
45	3571	55	120	31.5
46	3571	60	130	33.5
47	3571	65	140	36
48	3571	70	150	38
49	3571	75	160	40
50	32204	20	47	19.5
51	32205	25	52	19.25
52	32206	30	62	21.25
53	32207	35	72	24.25
54	32208	40	80	24.75
55	32209	45	85	24.75
56	32210	50	90	24.75
57	32211	50	100	26.75
58	32212	60	110	29.75
59	32213	65	120	32.75
60	32214	70	125	33.25
61	32215	75	130	33.25
62	32216	80	140	35.25
63	32217	85	150	38.5
64	32218	90	160	42.5
65	32305	25	62	25.25
66	32306	30	72	28.75
67	32307	35	80	32.75
68	32308	40	90	35.25
69	32309	40	100	38.25
70	32310	50	110	42.25
71	32311	55	120	45.5
72	32312	60	130	48.5
73	32313	65	140	51
74	7813E	65	110	30.5
75	7814E	70	117	33
76	7815E	75	135	44.8
77	7816E	80	140	45
78	31305	25	62	17
79	31306	30	72	21
80	31307	35	80	21
81	31308	40	90	23
82	31309	45	100	25
83	31310	50	110	27
84	31311	55	130	31.5
85	31312	60	130	31
86	31313	65	140	33
87	31314	70	150	38
88	7713	65	130	45
89	33005	25	47	17
90	33006	30	55	20
91	33007	35	62	20
92	33008	40	68	22
93	33009	45	75	24
94	33571	50	80	24
95	33011	55	90	27
96	33012	60	95	27
97	33013	65	100	27
98	33014	70	110	31
99	33015	75	115	31
100	33108	40	75	26
101	33109	45	80	26
102	33110	50	85	26
103	33111	55	95	30
104	33112	60	100	30
105	33113	65	110	34
106	33114	70	120	37
107	33115	75	125	37
108	33116	80	130	37
109	33117	85	140	41
110	33118	90	150	45
111	33205	25	52	22
112	33206	30	60	25
113	33207	35	72	28
114	33208	40	80	32
115	33209	45	85	32
116	33210	50	90	32
117	33211	55	100	35
118	33212	60	110	38
119	33213	65	120	41
120	33214	70	125	41
121	33215	75	130	41
122	LM11749/10	17.462	39.878	13.843
123	LM11949/10	19.05	45.237	15.494
124	LM12749/10	21.986	45.237	15.494
125	LM12749/11	21.986	45.974	15.494
126	LM12649/10	21.43	50.005	17.526
127	LM67048/10	31.75	59.131	15.875
128	LM78349/10	34.988	61.973	16.7
129	LM48548/10	34.925	65.088	18.034
130	LM300849/11	40.988	67.975	17.5
131	LM501349/10	41.275	73.431	19.558
132	LM157149/10	45.242	73.431	19.558
133	LM503349/10	45.987	74.976	18
134	LM603049/10	45.242	77.788	19.842
135	L45449/10	29	50.292	14.224
136	L44643/10	25.4	50.292	14.224
137	L44649/10	26.98	50.292	14.244
138	L68149/10	34.98	59.131	15.875
139	L68149/11	34.98	59.975	15.875
140	JL69349/10	38	63	17
141	M84548/10	25.4	57.15	19.431
142	M88048/10	33.338	68.262	22.225
143	HM88648/10	35.717	72.233	25.4
144	JLM104948/10	50	82	21.5
145	HM518445/10	88.9	152.4	39.688
146	32909	45	68	15
147	29590/29522	66.675	107.95	19.05
148	320/32	58	32	17

Product Description
 

• Tapered roller bearing normally be composed of a cup and a cone assembly, it precisely designed to manage both axial and radial load, even in the most unforgiving conditions . Single row tapered roller bearings are the most basic and widely used, CZPT built the first production lines in 1996 and today offers the world’s widest variety both in inch and metric sizes.
   
  1. with performance-enhancing features for severe-duty applications, VAFEM LM-Series wheel bearings help increase fuel efficiency, improve load-carrying capacity, fit in popular axle and hub designs – and simplify installation – helping you gain fleet uptime. Commercial Vehicle Hub Rebuild Kits are available for severe duty, dual and wide single tire applications .

 

• Design Attributes:

1. Raw material: Manufactured with reliable  super-clean chrome steel, these long-lasting bearings are designed to meet severe-duty application requirements.
2. Tight tolerances: Uniform internal geometry, including angle of contact for cones and rollers, creates a precise match between cup and cone – extending bearing life.
3. Precision profiles: Internal raceway profiles reduce stress on bearing components by distributing the loads evenly across contact surfaces – increasing load-carrying capacity.
4. Super finishing surface: Advanced automatic finishing processes generate smoother surface finishes on races and rollers to reduce friction – helping increase fuel efficiency.
5. Flexibility: Engineered for severe-duty applications in any configuration – dual and wide singles – LM-Series wheel bearings maintain consistency and simplicity within fleets.
6. Compatibility: LM-Series wheel bearings fit popular axle and hub designs, allowing retrofit into existing equipment.

Design Attributes:

• Accurate Bearing Setting: Set-Right kits feature bearings that significantly reduce the width variation found in standard bearings. Our tight bearing width tolerance enables consistent and accurate bearing setting of pre-adjusted hubs.
• Consistent Bearing Setting: Consistently achieve proper wheel bearing setting, avoiding the need for manual bearing adjustment and promoting optimum bearing and seal life.
• Streamlined Inventory Management: With a wide range of part numbers, each kit features 2 VAFEM  matched bearing sets and a precision-machined spacer (various of spacer types available).
• More Uptime: manufactured with super-clean high-strength chrome steel, precision profiles and enhanced surface finishes, feature high load ratings, and outlast and outperform competitor bearings.
  Longer Bearing Life and Performance

1. As a domestic leader in roller bearing technology, we develop bearings to outlast and outperform those frequently used on original equipment.

 
Applications
 

• Commercial vehicles  (original equipment and aftermarket)
• Wheel hub Kits ( After market )
• Heavy duty trucks, tractors and construction machinery (original equipment and aftermarket)

 

How to Replace a Bearing

If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.

Z axis

When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with 2 M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the 2 parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.

Angular contact

Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in 1 direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to 5 times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.

Ball bearings

Ball bearings are circular structures with 2 separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right 1 for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between 1 and 5 million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least 1 million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.

Sliding-contact bearings

The basic principle behind sliding-contact bearings is that 2 surfaces move in contact with 1 another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, 1 element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their 2 surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in 2 different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the 2 elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.