Single Row Tapered Roller Bearings

Material: GCr15
Precision: P0, P6X, P5, P4
Noise level: Z, Z1, Z2, Z3
Vibration: V, V1, V2, V3
Feature: High-precision, Low-noise, Long-life
Boundary dimensions standard: GB/T 273.1-2003
Working temperature range: -30℃~120℃
Free samples and technical drawing: Available
Certificate: ISO9001:2015

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Description

Introduction:

Single Row Tapered Roller Bearings are one of the most popular types of roller bearings used in several applications. They are known for their high radial and axial load carrying capacity, high stiffness, and ability to accommodate misalignment. The bearings are made from high-quality materials and are designed to withstand heavy loads and extreme operating conditions.

Features:

1. High Load Carrying Capacity: The Single Row Tapered Roller Bearings are designed to carry high radial and axial loads. They can support heavy-duty applications with high loads and provide long service life.

2. Durable Design: The bearings are made from high-quality materials that provide strength and durability even under the most extreme operating conditions.

3. Precision Engineering: The bearings are designed with precision engineering, ensuring accuracy in operation and reducing noise and vibration.

4. Easy to Install: Single Row Tapered Roller Bearings are easy to install and remove, reducing downtime and cost in the maintenance of the equipment.

Application:

Single Row Tapered Roller Bearings are used in several applications across various industries, including automotive, construction, agriculture, and mining. They are commonly used in applications where heavy loads and high stiffness are required.

In the Automotive industry, these bearings are used in wheel hubs, gearboxes, and differentials. In the Construction industry, they are used in heavy construction equipment such as excavators and bulldozers. In the Agriculture industry, they are used in tractors and combines. In the Mining industry, they are used in crushing equipment and conveyor systems.

Advantages:

1. Increases Productivity: The high load capacity and stiffness of the bearings ensure that the equipment runs smoothly, reducing downtime and increasing productivity.

2. Reduce Maintenance Costs: The durable design of the bearings reduces the maintenance and repair costs of the equipment.

3. High Performance: The precision engineering of the bearings ensures that they perform optimally, reducing noise and vibration and increasing the lifespan of the equipment.

4. Cost-Effective: Single Row Tapered Roller Bearings provide long-lasting performance, reducing the need for frequent replacements and reducing overall costs.

Conclusion:

Single Row Tapered Roller Bearings are an ideal choice for applications where high loads, stiffness, and misalignment capacities are required. Their durable design and precision engineering ensure long-lasting performance, reducing downtime and maintenance costs. These bearings are used in several industries and provide an efficient solution for heavy-duty applications. Contact us today to learn more about our high-quality Single Row Tapered Roller Bearings and how they can benefit your business.

● Introduction

Single row tapered roller bearings consist of an outer ring and an inner ring assembly, and the inner ring and a set of tapered rollers are covered by a cage to form an inner ring assembly. The outer ring can be separated and interchanged with the inner ring assembly, which is convenient for installation, disassembly and maintenance. This type of bearing is equipped with tapered rollers, which are guided by the large ribs of the inner ring. In the design, the vertices of the conical surfaces of the inner ring raceway surface, the outer ring raceway surface and the roller rolling surface intersect at a point on the bearing center line. Taper bearings include small taper angle bearings and large taper angle bearings. Small taper angle bearings, with a taper angle between 10° and 19°, mainly bear radial and axial combined loads mainly based on radial loads. They are often used in pairs and installed in reverse. The inner and outer races can be installed separately. The radial and axial clearance can be adjusted during installation and use. Large taper angle bearings, the taper angle is between 25° and 29°, and the post code is added with B. It mainly bears the combined axial and radial loads mainly based on axial loads, and is generally not used to bear pure axial loads alone. When configured in pairs, it can be used to carry pure radial loads. Single row tapered roller bearings are characterized by low friction, low noise, low vibration and long service life, which can also increase operational reliability in some complex operating conditions.

Tapered roller bearings are widely used in automobiles, gearboxes, crushers, rolling mills, mining, metallurgy, industrial machinery and other industries.

● Bearing Series

The types of the bearings include 302 series, 303 series, 313 series, 320 series, 322 series, 323 series, 329 series, 330 series, 331 series, 332 series, 323..-A series, 323..-B series, 323..- T series and 323..- K series.

● Production Details

◆ Processing of tapered rollers

The precision grade, size, production batch and processing method of the rollers are different, and the manufacturing process of the tapered rollers is also different, but the basic manufacturing process is generally the same. The representative manufacturing process of grade III tapered rollers is as follows: Feeding (straightening, chamfering) → stamping forming → removing the belt → selecting the material head → soft cold outer diameter → soft end face → external treatment → channeling oxide skin → rough grinding outer diameter → channeling soft spot → soft spot inspection →Hot cleaning and anti-rust → grinding end face → hot cleaning and anti-rust → fine grinding outer diameter → final grinding outer diameter → ultra-fine outer diameter → hot cleaning, dry cleaning → final inspection and sorting → oiled packaging. For the convenience of analysis, the manufacturing process can be divided into 6 stages: rough machining, soft grinding before heat treatment, heat treatment, hard grinding after heat treatment, finishing and quality inspection and selection.

timken roller bearings

◆ Vertical and horizontal optical meters

An optical meter is an optical measuring instrument used for comparative measurement, and there are two types: vertical and horizontal. The graduation value of the vertical optical meter is 0.001mm, the measurement range is 0~180mm, and the indication range is ±0.1mm. It is mainly used to verify the fifth and sixth equal blocks, the height dimension and parallelism, and the diameter of cylindrical and spherical workpieces. Thanks to the use of an adjustable table and internal measuring hook, the horizontal optical meter can also detect the internal dimensions of parts and the taper of cylindrical parts.

30208 bearing

● Bearing Cage Material

According to the working environment of the cage, the basic properties of the material should have a small friction coefficient with the rolling element material, good wear resistance and processing performance. Stamping requires good plasticity and ductility, car-made cages require good cutting performance. Materials with high strength and toughness enable the cage to withstand certain loads and impacts, good elasticity and stiffness. Common cage materials are 08, 08F, 10, 10F, 15Mn, 20, 30, T8A, T10A.

● Why Choose Us

Shaanxi Gainhui Heavy Industries Co., Ltd. has complete quality management system and has passed ISO9001:2015 quality management system certification. At the same time, our company has also obtained corporate credit certification. Our company will strictly abide by the ISO9001:2015 quality management system, ensure the standardization of management work, and maintain the sustained, stable and healthy development of the company. With continuous innovation and development, our company provides high-quality products and professional services to customers around the world.

● About Us

Shaanxi Gainhui Heavy Industries Co., Ltd. is a professional bearing manufacturer and and distributor in china. Equipped with a professional large factory, we can supply competitive bearing products and OEM service to worldwide customers. With high quality, competitive price and great after-sale service of single row tapered roller bearings, welcome to contact us in time.

Because we are focused, we are professional.

● Packing Methods

Tube Package

Single Box Package

Pallet Package

● Delivery Methods

By Express

By Sea

By Air

● Technical Parameters

timken tapered roller bearings

Bearing designation	ISO 355	Dimensions (mm)																		Basic dynamic load rating	Basic static load rating	Computing coefficients			Fatigue load limit	Limiting speed	Reference speed	Mass
		d	D	B	C	T	r1, r2	r3, r4	a	d1	da	db	Da	Da	Db	Ca	Cb	ra	rb	Cr	Cor	e	Y1	Y0	Cur	nG	nB	m
							min.	min.	≈	≈	max.	min.	min.	max.	min.	min.	min.	max.	max.	N	N				N	min–1	min–1	≈kg
30202-A	–	15	35	11	10	11.75	0.6	0.6	8	26.4	20	19	29	29	32	2	1.5	0.6	0.6	14 700	14 100	0.35	1.73	0.95	1 320	23 800	13 500	0.054
30302-A	T2FB015	15	42	13	11	14.25	1	1	10	28.2	22	21	36	36	38	2	3	1	1	23 000	20 500	0.29	2.11	1.16	2 110	21 000	12 500	0.096
30203-A	T2DB017	17	40	12	11	13.25	1	1	10	29.1	23	23	34	34	37	2	2	1	1	18 500	17 800	0.35	1.74	0.96	1 890	21 000	12 100	0.056
32203-A	T2DD017	17	40	16	14	17.25	1	1	11	28.7	22	23	34	34	37	3	3	1	1	28 500	29 000	0.31	1.92	1.06	3 000	21 000	10 800	0.105
30303-A	T2FB017	17	47	14	12	15.25	1	1	11	31.6	25	23	40	41	42	2	3	1	1	27 500	24 500	0.29	2.11	1.16	2 600	18 200	12 400	0.129
32303-A	T2FD017	17	47	19	16	20.25	1	1	12	31.5	24	23	39	41	43	3	4	1	1	36 000	35 000	0.29	2.11	1.16	4 050	18 200	11 500	0.18
32004-X	T3CC020	20	42	15	12	15	0.6	0.6	10	33	25	25	36	37	39	3	3	0.6	0.6	24 000	28 500	0.37	1.6	0.88	3 000	18 200	10 900	0.108
30204-A	T2DB020	20	47	14	12	15.25	1	1	11	34.5	27	26	40	41	43	2	3	1	1	27 000	27 000	0.35	1.74	0.96	2 900	16 800	10 500	0.092
30304-A	T2FB020	20	52	15	13	16.25	1.5	1.5	11	36.1	28	27	44	45	47	2	3	1.5	1.5	34 000	32 500	0.3	2	1.1	3 600	15 400	9 800	0.188
32304-A	T2FD020	20	52	21	18	22.25	1.5	1.5	14	35.3	27	27	43	45	47	3	4	1.5	1.5	46 000	47 500	0.3	2	1.1	5 600	15 400	9 300	0.241
32005-X	T4CC025	25	47	15	11.5	15	0.6	0.6	12	38	30	30	40	42	44	3	3.5	0.6	0.6	26 500	33 500	0.43	1.39	0.77	3 600	15 400	9 200	0.12
33005	–	25	47	17	14	17	0.6	0.6	11	36.8	30	30	41	42	44	3	3	0.6	0.6	33 000	41 500	0.29	2.07	1.14	4 650	15 400	9 400	0.139
30205-A	T3CC025	25	52	15	13	16.25	1	1	13	38.5	31	31	44	46	48	2	3	1	1	32 500	35 000	0.37	1.6	0.88	3 900	14 000	9 100	0.155
32205-A	T2CD025	25	52	18	16	19.25	1	1	14	40.2	31	31	44	46	48	3	3	1	1	40 000	44 500	0.36	1.67	0.92	5 100	14 000	8 100	0.186
33205	T2DE025	25	52	22	18	22	1	1	14	39.6	30	31	43	46	49	4	4	1	1	48 500	58 000	0.35	1.71	0.94	6 900	14 000	8 200	0.214
31305-A	T7FB025	25	62	17	13	18.25	1.5	1.5	20	46.3	34	32	47	55	59	3	5	1.5	1.5	37 000	38 500	0.83	0.73	0.4	4 400	11 900	7 200	0.297
30305-A	T2FB025	25	62	17	15	18.25	1.5	1.5	13	42.3	34	32	54	55	57	2	3	1.5	1.5	47 000	45 500	0.3	2	1.1	5 100	12 600	8 200	0.289
32305-A	T2FD025	25	62	24	20	25.25	1.5	1.5	16	42.3	33	32	53	55	57	3	5	1.5	1.5	62 000	66 000	0.3	2	1.1	7 800	12 600	7 900	0.362
320/28-X	T4CC028	28	52	16	12	16	1	1	13	41	33	34	45	46	49	3	4	1	1	34 000	40 500	0.43	1.39	0.77	4 550	13 300	8 300	0.156
32006-X	T4CC030	30	55	17	13	17	1	1	14	44.1	35	36	48	49	52	3	4	1	1	38 500	46 500	0.43	1.39	0.77	5 300	12 600	7 900	0.195
30206-A	T3DB030	30	62	16	14	17.25	1	1	14	45.6	37	36	53	56	57	2	3	1	1	43 500	48 000	0.37	1.6	0.88	5 500	11 900	7 400	0.237
32206-A	T3DC030	30	62	20	17	21.25	1	1	16	45.9	37	36	52	56	59	3	4	1	1	53 000	62 000	0.37	1.6	0.88	7 400	11 900	6 700	0.274
33206	T2DE030	30	62	25	19.5	25	1	1	16	46.1	36	36	53	56	59	5	5.5	1	1	65 000	77 000	0.34	1.76	0.97	9 400	11 200	7 100	0.394
31306-A	T7FB030	30	72	19	14	20.75	1.5	1.5	24	54	40	37	55	65	68	3	6.5	1.5	1.5	45 000	46 500	0.83	0.73	0.4	5 300	9 800	6 500	0.441
30306-A	T2FB030	30	72	19	16	20.75	1.5	1.5	15	49.3	40	37	62	65	66	3	4.5	1.5	1.5	60 000	61 000	0.31	1.9	1.05	6 900	10 500	7 200	0.445
32306-A	T2FD030	30	72	27	23	28.75	1.5	1.5	18	49.3	39	37	59	65	66	4	5.5	1.5	1.5	80 000	89 000	0.31	1.9	1.05	10 800	10 500	6 900	0.587
320/32-X	T4CC032	32	58	17	13	17	1	1	14	46.5	38	38	50	52	55	3	4	1	1	39 000	48 500	0.45	1.32	0.73	5 600	11 900	7 500	0.188
32007-X	T4CC035	35	62	18	14	18	1	1	15	50	40	41	54	56	59	4	4	1	1	45 500	57 000	0.45	1.32	0.73	6 700	11 200	6 900	0.257
30207-A	T3DB035	35	72	17	15	18.25	1.5	1.5	15	52.7	44	42	62	65	67	3	3	1.5	1.5	54 000	59 000	0.37	1.6	0.88	6 800	9 800	6 400	0.334
32207-A	T3DC035	35	72	23	19	24.25	1.5	1.5	18	53.9	43	42	61	65	67	3	5.5	1.5	1.5	71 000	84 000	0.37	1.6	0.88	10 200	9 800	6 000	0.482
33207	T2DE035	35	72	28	22	28	1.5	1.5	18	53	42	42	61	65	68	5	6	1.5	1.5	86 000	105 000	0.35	1.7	0.93	12 800	9 800	6 200	0.585
31307-A	T7FB035	35	80	21	15	22.75	2	1.5	26	59.9	44	44	62	71	76	4	7.5	2	1.5	60 000	64 000	0.83	0.73	0.4	7 500	8 800	5 800	0.582
30307-A	T2FB035	35	80	21	18	22.75	2	1.5	16	55.2	45	44	70	71	74	3	4.5	2	1.5	73 000	75 000	0.31	1.9	1.05	8 600	9 400	6 600	0.573
32307-B	T5FE035	35	80	31	25	32.75	2	1.5	25	59.8	42	44	61	71	76	4	7.5	2	1.5	95 000	116 000	0.55	1.1	0.6	14 300	8 800	6 300	0.802
32307-A	T2FE035	35	80	31	25	32.75	2	1.5	20	55.2	44	44	66	71	74	4	7.5	2	1.5	100 000	113 000	0.31	1.9	1.05	13 500	9 400	6 400	0.741
32008-XA	T3CD040	40	68	19	14.5	19	1	1	15	55	46	46	60	62	65	4	4.5	1	1	53 000	71 000	0.38	1.58	0.87	8 300	9 800	6 200	0.312
33108	T2CE040	40	75	26	20.5	26	1.5	1.5	18	58.7	47	47	65	68	71	4	5.5	1.5	1.5	79 000	103 000	0.36	1.69	0.93	12 800	8 800	5 500	0.541
30208-A	T3DB040	40	80	18	16	19.75	1.5	1.5	17	58.4	49	47	69	73	74	3	3.5	1.5	1.5	61 000	67 000	0.37	1.6	0.88	7 600	8 800	5 900	0.435
32208-A	T3DC040	40	80	23	19	24.75	1.5	1.5	19	59.2	48	47	68	73	75	3	5.5	1.5	1.5	79 000	93 000	0.37	1.6	0.88	11 200	8 800	5 300	0.551
33208	T2DE040	40	80	32	25	32	1.5	1.5	21	60.1	47	47	67	73	76	5	7	1.5	1.5	105 000	134 000	0.36	1.68	0.92	16 600	8 400	5 700	0.741
T2EE040	–	40	85	32.5	28	33	2.5	2	22	61.9	48	51	70	75	80	6	5	2.5	2	114 000	139 000	0.34	1.74	0.96	17 000	8 400	5 600	0.881
31308-A	T7FB040	40	90	23	17	25.25	2	1.5	30	68.2	51	49	71	81	86	4	8	2	1.5	76 000	83 000	0.83	0.73	0.4	9 400	7 400	5 200	0.727
30308-A	T2FB040	40	90	23	20	25.25	2	1.5	20	63.3	52	49	77	81	82	3	5	2	1.5	91 000	102 000	0.35	1.74	0.96	11 900	7 800	5 800	0.812
32308-A	T2FD040	40	90	33	27	35.25	2	1.5	23	63.3	50	49	73	81	82	4	8	2	1.5	120 000	146 000	0.35	1.74	0.96	17 900	7 800	5 600	1.06
32308-B	–	40	90	33	27	35.25	2	1.5	28	67	50	49	69	81	85	4	8	2	1.5	120 000	149 000	0.55	1.1	0.6	18 100	7 400	5 500	1.18
32009-XA	T3CC045	45	75	20	15.5	20	1	1	17	62	51	51	67	69	72	4	4.5	1	1	61 000	86 000	0.39	1.53	0.84	10 200	8 800	5 500	0.329
33109	T3CE045	45	80	26	20.5	26	1.5	1.5	19	63.8	52	52	69	73	77	4	5.5	1.5	1.5	84 000	115 000	0.38	1.57	0.86	14 400	8 400	5 000	0.597
30209-A	T3DB045	45	85	19	16	20.75	1.5	1.5	18	64	54	52	74	78	80	3	4.5	1.5	1.5	70 000	82 000	0.4	1.48	0.81	9 600	7 800	5 400	0.47
32209-A	T3DC045	45	85	23	19	24.75	1.5	1.5	20	64.8	53	52	73	78	80	3	5.5	1.5	1.5	82 000	100 000	0.4	1.48	0.81	12 000	7 800	4 900	0.57
33209	T3DE045	45	85	32	25	32	1.5	1.5	22	66.2	52	52	72	78	81	5	7	1.5	1.5	107 000	146 000	0.39	1.56	0.86	18 300	7 800	5 200	0.895

For more data, please click the download button at the top of this page to download the catalogue.

Why choose us?

Our products are used in a diverse range of industries, including automotive, aerospace, construction, agriculture, and more.
The company has always followed the principles of integrity, quality and service, and insisted on providing customers with high-quality products, services and good after-sales service.
Our factory has a strict quality control system in place to ensure that every product we produce meets the highest standards of quality and reliability.
As the times change, we will also face challenges, keep pace with the times, and continuously optimize our products and ourselves.
We have a strong commitment to innovation, regularly introducing new and improved products to meet the changing needs of our customers.
The company has cultivated a group of professionals in the fields of R&D, manufacturing and sales by introducing German SGN technology, scientific management mode and industrial equipment sales mode, etc.!
Our flexible production processes and responsive customer service make us an ideal partner for businesses of all sizes and industries.
We have achieved a breakthrough in high-end Single Row Tapered Roller Bearings.
Our factory is committed to sustainability, using environmentally friendly materials and processes wherever possible.
Our company specializes in technology research and development center and quality testing center, and has a perfect marketing network.

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