Single Row Angular Contact Ball Bearings

Material: Chrome steel
Precision: P0, P6, P5, P4, P2
Radial clearance: C0, C3, C2, C4
Working temperature: -30℃~150℃(open), -30℃~110℃(sealed)
Feature: High-precision, Low-noise, Long-life
Free samples and technical drawing: Available
Package: Tube package, Single box
Boundary dimensions standard: GB/T 292-2007
Certificate: ISO9001:2015

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Description

Single Row Angular Contact Ball Bearings – Improving Efficiency and Performance

We are pleased to introduce our Single Row Angular Contact Ball Bearings, a bearing solution that is designed for high-speed applications and can withstand heavy loads with greater efficiency and performance. Our bearings are manufactured using quality materials and with precision engineering to deliver a product that meets or exceeds international standards.

What are Angular Contact Ball Bearings?

Angular Contact Ball Bearings are a type of rolling-element bearing designed to support axial loads and radial loads at the same time. The bearing's raceways are in the form of an angular contact with a contact angle of 15-40 degrees, which makes it more suitable for supporting axial loads in one direction. The ball bearings are asymmetrically placed with an angle between them, allowing higher axial and radial loads to be transmitted at high speeds.

Our single-row angular contact ball bearings have a single row of balls (or rollers) that run in a single direction, reducing the axial space required, making them more compact and lightweight than their double-row counterparts. Along with their ability to transmit high loads, they are also known for their low friction and high precision.

Features and Benefits of our Single Row Angular Contact Ball Bearings

1. High load capacity and speed capabilities – Our single row angular contact ball bearings are designed to withstand heavy loads, high speeds, and high acceleration. They can handle axial and radial loads of up to 40,000 N with a speed of up to 15,000 RPM, depending on the specific design.

2. Precision and accuracy – Our bearings offer excellent accuracy and precision, thanks to their optimized internal geometry and the high-quality steel used in their construction. This precision and accuracy result in less wear and tear, increasing bearing life and reducing maintenance costs.

3. Reduce

● Introduction

Single row angular contact ball bearings consists of outer ring, inner ring, steel ball and cage. There is an inseparable shoulder on the inner and outer rings of the bearing. The bearing can bear radial load and axial load at the same time, and can also bear pure axial load, can work stably at high speed with good running performance, and can accelerate and decelerate quickly. The bearing can be highly loaded and the installation is extremely simple. When this bearing is subjected to pure radial load, since the action line of the rolling element load and the action line of the radial load are not in the same radial plane, the internal axial component force is generated, so it must be installed in pairs. When the bearings are mounted in pairs, the specified internal clearance or preload can be achieved without the use of spacers or similar devices. Single row angular contact ball bearings with a contact angle of 40 degrees are suitable for bearing large axial loads, bearings with a contact angle of 25 degrees are mostly used for precision spindle bearings, and bearings with a contact angle of 15 degrees are mostly used for larger-sized precision bearings.

Angular contact ball bearings are used for high precision, high speed, low temperature rise and low vibration and where a certain service life is required. This bearing is widely used in related fields such as industrial pumps, compressors, material conveying and motors.

● Bearing Series

The types of the bearings include 7000C series, 7000AC series and 7000B series.

◆ 7000C series: the contact angle of the bearing is 15°.

◆ 7000AC series: the contact angle of the bearing is 25°.

◆ 7000B series: the contact angle of the bearing is 40°.

● Production Details

◆ The process of bearing inner ring grinding

Coarse and fine grinding of both ends of the inner ring (horizontal shaft double-end surface grinder) → cleaning (ferrule cleaning machine) → size and shape inspection (outer machine inspector) → grinding of inner and outer diameters (centerless grinder) → grinding of inner groove (branch groove grinding) (automatic inner ring groove grinding machine) → demagnetization (demagnetization machine) → cleaning (ferrule cleaning machine) → size, shape and position inspection (automatic inspection instrument outside the machine) → grinding inner diameter (branch groove grinding inner diameter) (automatic inner diameter cylindrical grinder) → demagnetization (demagnetization machine) → cleaning (ferrule cleaning machine) → size, shape and position inspection (outside automatic inspection instrument) → ultra-fine inner channel (automatic inner ring channel ultra-finishing machine) → demagnetization ( demagnetizer) → cleaning (ferrule cleaner).

nsk angular contact bearing

◆ The principle of correct selection of measuring instruments

Based on the premise of reliable measurement, it is necessary to save and pay attention to efficiency. The following points can be considered comprehensively.

1. Select the measuring instrument according to the production batch of the workpiece. For small batches, use ordinary measuring instruments. For large batches, use special measuring instruments.

2. Consider the form of measuring instruments according to the structure and quality of the workpiece. Small and simple workpieces can be measured on the measuring instrument. Large and complex workpieces, the measuring instrument must be placed on the workpiece for measurement.

3. According to the size and requirements of the workpiece, determine the specifications of the measuring instruments (measurement range, indication range, scale value, etc.). The measuring range of the measuring instrument should be able to accommodate the workpiece, or the probe can extend into the measured part; the indication range of the measuring instrument should exceed the possible changes of the measured workpiece. The scale value should ensure the minimum error of the measured workpiece.

4. Select the accuracy of the measuring instrument according to the workpiece tolerance. If the workpiece tolerance is small, the accuracy of the measuring instrument should be high; if the workpiece tolerance is large, the accuracy of the measuring instrument should be low.

angular contact ball bearing price

● Processing of the Bearing Cage

In order to improve the processing quality of the cage, the cage should be round. The gap in the hole is an important vibration source of the bearing. If the gap is too large, it will cause the beating vibration noise of the cage. If the gap is too small, it will cause wrinkles on the surface of the steel ball, which will damage the bearing and increase the vibration and noise. For low-noise deep groove ball bearings, it is recommended to use a stamped cage with a true circle shape, a small pocket gap (0.1~0.15mm) and a large plate width (0.43~0.48 times the diameter of the steel ball). Taking the wave-shaped cage as an example, the cage pocket depth, radial movement, pocket roundness, center diameter deviation and surface quality should be strictly controlled to reduce the collision or frictional contact between the rolling element and the cage. In addition, plastic cages can be used. Compared with stamping cage bearings, plastic cage bearings not only have low vibration and noise, but also have a long service life.

● Why Choose Us

Founded in 2009, Shaanxi Gainhui Heavy Industries Co., Ltd. covers an area of 16,000 square meters, which is a professional bearing manufacturer and distributor in China. The company is committed to the design, manufacture and service of precision bearings, focusing on providing customers with reliable bearing products and cost-effective technical solutions.

◆ Quick email response within 1 to 6 hours.

◆ Provide free samples and technical drawings.

◆ Complete quality control system and after-sales service.

◆ Accept clients’ customized bearings and provide OEM service.

◆ With good quality and competitive price, bearings are exported to more than 35 countries.

● 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 angular contact ball 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

Bearing designation	Dimensions (mm)																Basic dynamic load rating	Basic static load rating	Fatigue load limit	Limiting speed	Reference speed	Mass
	d	D	B	r	r1	D1	D2	D3	d1	d2	a	da	Da	Db	ra	ra1	Cr	Cor	Cur	nG	nB	m
				min.	min.	≈	≈	≈	≈	≈	≈	min.	max.	max.	max.	max.	N	N	N	min–1	min–1	≈kg
7200-B-JP	10	30	9	0.6	0.3	22.1	–	–	18	–	13	14.2	25.8	27.6	0.6	0.3	5 300	2600	174	32 000	22 600	0.033
7200-B-TVP	10	30	9	0.6	0.3	22.1	–	–	18	–	13	14.2	25.8	27.6	0.6	0.3	5 300	2600	174	32 000	22 600	0.032
7200-B-2RS-TVP	10	30	9	0.6	0.3	–	23.3	25.6	–	15.5	13	14.2	25.8	27.6	0.6	0.3	5 300	2600	174	15 000	–	0.032
7201-B-JP	12	32	10	0.6	0.3	24.6	–	–	19.5	–	14	16.2	27.8	29.6	0.6	0.3	7 400	3550	241	28 000	21 100	0.038
7201-B-TVP	12	32	10	0.6	0.3	24.6	–	–	19.5	–	14	16.2	27.8	29.6	0.6	0.3	7 400	3550	241	28 000	21 100	0.035
7201-B-2RS-TVP	12	32	10	0.6	0.3	–	25.9	28.8	–	17	14	16.2	27.8	29.6	0.6	0.3	7 400	3550	241	14 000	–	0.037
7301-B-JP	12	37	12	1	0.6	27.2	–	–	22.1	–	16	17.6	31.4	32.8	1	0.6	11 400	5300	355	24 000	16 300	0.066
7301-B-TVP	12	37	12	1	0.6	27.2	–	–	22.1	–	16	17.6	31.4	32.8	1	0.6	11 400	5300	355	24 000	16 300	0.06
7202-B-JP	15	35	11	0.6	0.3	27.6	–	–	22.5	–	16	19.2	30.8	32.6	0.6	0.3	8 400	4450	300	24 000	19 100	0.047
7202-B-TVP	15	35	11	0.6	0.3	27.6	–	–	22.5	–	16	19.2	30.8	32.6	0.6	0.3	8 400	4450	300	24 000	19 100	0.044
7202-B-2RS-TVP	15	35	11	0.6	0.3	–	29.2	32.1	–	19.7	16	19.2	30.8	32.6	0.6	0.3	8 400	4450	300	12 000	–	0.044
7302-B-JP	15	42	13	1	0.6	31.8	–	–	25.5	–	18	20.6	36.4	37.8	1	0.6	14 200	7200	485	20 000	14 200	0.088
7302-B-TVP	15	42	13	1	0.6	31.8	–	–	25.5	–	18	20.6	36.4	37.8	1	0.6	14 200	7200	485	20 000	14 200	0.082
7302-B-2RS-TVP	15	42	13	1	0.6	–	33.3	38.1	–	22.9	18	20.6	36.4	37.8	1	0.6	14 200	7200	485	11 000	–	0.082
7203-B-JP	17	40	12	0.6	0.3	31.2	–	–	26.2	–	18	21.2	35.8	37.6	0.6	0.6	10 500	5700	380	20 000	17 100	0.069
7203-B-TVP	17	40	12	0.6	0.3	31.2	–	–	26.2	–	18	21.2	35.8	37.6	0.6	0.6	10 500	5700	380	20 000	17 100	0.065
7203-B-2RS-TVP	17	40	12	0.6	0.3	–	33.1	36.3	–	22.9	18	21.2	35.8	37.6	0.6	0.6	10 500	5700	380	11 000	–	0.065
7303-B-JP	17	47	14	1	0.6	35.8	–	–	28.5	–	20	22.6	41.4	42.8	1	0.6	17 600	9000	610	18 000	12 800	0.117
7303-B-TVP	17	47	14	1	0.6	35.8	–	–	28.5	–	20	22.6	41.4	42.8	1	0.6	17 600	9000	610	18 000	12 800	0.109
7303-B-2RS-TVP	17	47	14	1	0.6	–	37.2	42.6	–	26.1	20	22.6	41.4	42.8	1	0.6	17 600	9000	610	9500	–	0.109
7004-B-TVP	20	42	12	0.6	0.3	34.7	–	–	29.1	–	12	23.2	38.8	40	0.6	0.3	13 400	7000	470	18 000	14 600	0.06
7004-B-2RS-TVP	20	42	12	0.6	0.3	–	37.1	39.8	–	25.9	12	23.2	38.8	40	0.6	0.3	13 400	7000	470	9500	–	0.061
7204-B-JP	20	47	14	1	0.6	36.6	–	–	30.4	–	21	25.6	41.4	42.8	1	0.6	14 000	7800	520	18 000	15 400	0.111
7204-B-TVP	20	47	14	1	0.6	36.6	–	–	30.4	–	21	25.6	41.4	42.8	1	0.6	14 000	7800	520	18 000	15 400	0.104
7204-B-2RS-TVP	20	47	14	1	0.6	–	39.1	43	–	26.8	21	25.6	41.4	42.8	1	0.6	14 000	7800	520	9000	–	0.104
7304-B-JP	20	52	15	1.1	0.6	39.9	–	–	32.4	–	23	27	45	47.8	1	0.6	20 400	11 100	750	17 000	11 500	0.152
7304-B-TVP	20	52	15	1.1	0.6	39.9	–	–	32.4	–	23	27	45	47.8	1	0.6	20 400	11 100	750	17 000	11 500	0.143
7304-B-2RS-TVP	20	52	15	1.1	0.6	–	41.4	47.1	–	30	23	27	45	47.8	1	0.6	20 400	11 100	750	8500	–	0.143
7005-B-TVP	25	47	12	0.6	0.3	39.7	–	–	34.1	–	21	28.2	43.8	45	0.6	0.3	14 900	8600	580	16 000	12 200	0.071
7005-B-2RS-TVP	25	47	12	0.6	0.3	–	41.5	44.8	–	30.9	21	28.2	43.8	45	0.6	0.3	14 900	8600	580	8000	–	0.071
7205-B-JP	25	52	15	1	0.6	41.6	–	–	35.4	–	24	30.6	46.4	47.8	1	0.6	15 300	9000	600	16 000	13 700	0.135
7205-B-TVP	25	52	15	1	0.6	41.6	–	–	35.4	–	24	30.6	46.4	47.8	1	0.6	15 300	9000	600	16 000	13 700	0.127
7205-B-2RS-TVP	25	52	15	1	0.6	–	44.1	48	–	31.8	24	30.6	46.4	47.8	1	0.6	15 300	9000	600	8000	–	0.127
7305-B-JP	25	62	17	1.1	0.6	48.1	–	–	39.3	–	27	32	55	57.8	1	0.6	28 000	15 800	1070	14 000	9 800	0.242
7305-B-TVP	25	62	17	1.1	0.6	48.1	–	–	39.3	–	27	32	55	57.8	1	0.6	28 000	15 800	1070	14 000	9 800	0.223
7305-B-2RS-TVP	25	62	17	1.1	0.6	–	50.4	57.1	–	35.8	27	32	55	57.8	1	0.6	28 000	15 800	1070	7000	–	0.231
71806-B-TVH	30	42	7	0.3	0.2	37.3	–	–	34.7	–	18.6	32	40	40.6	0.3	0.2	5 600	4550	295	17 000	–	0.025
7006-B-TVP	30	55	13	1	0.6	46.9	–	–	40.7	–	24	34.6	50.4	51.8	1	0.6	18 400	11 500	770	14 000	10 400	0.109
7006-B-2RS-TVP	30	55	13	1	0.6	–	48.8	53.6	–	38.2	24	34.6	50.4	51.8	1	0.6	18 400	11 500	770	6700	–	0.109
7206-B-JP	30	62	16	1	0.6	49.8	–	–	42.8	–	27	35.6	56.4	57.8	1	0.6	21 700	14 100	950	13 000	11200	0.202
7206-B-TVP	30	62	16	1	0.6	49.8	–	–	42.8	–	27	35.6	56.4	57.8	1	0.6	21 700	14 100	950	13 000	11 200	0.196
7206-B-2RS-TVP	30	62	16	1	0.6	–	51.9	57	–	39.8	27	35.6	56.4	57.8	1	0.6	21 700	14 100	950	6300	–	0.203
7306-B-JP	30	72	19	1.1	0.6	56	–	–	46.5	–	31	37	65	67.8	1	0.6	35 500	22 100	1490	11 000	8 600	0.362
7306-B-TVP	30	72	19	1.1	0.6	56	–	–	46.5	–	31	37	65	67.8	1	0.6	35 500	22 100	1490	11 000	8 600	0.341
7306-B-2RS-TVP	30	72	19	1.1	0.6	–	58.6	65.9	–	42.8	31	37	65	67.8	1	0.6	35 500	22 100	1490	6000	–	0.341
71807-B-TVH	35	47	7	0.3	0.2	42.3	–	–	39.7	–	20.7	37	45	45.6	0.3	0.2	6 000	5300	350	15 000	–	0.027
7007-B-TVP	35	62	14	1	0.6	53.2	–	–	46.5	–	27	39.6	57.4	58.8	1	0.6	22 400	14 800	1000	12 000	9 200	0.14
7007-B-2RS-TVP	35	62	14	1	0.6	–	55	60.4	–	44	27	39.6	57.4	58.8	1	0.6	22 400	14 800	1000	6000	–	0.14
7207-B-JP	35	72	17	1.1	0.6	57.9	–	–	49.5	–	31	42	65	67.8	1	0.6	28 000	19 000	1280	11 000	9 600	0.3
7207-B-TVP	35	72	17	1.1	0.6	57.9	–	–	49.5	–	31	42	65	67.8	1	0.6	28 000	19 000	1280	11 000	9 600	0.282

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

Why choose us?

Our products are competitively priced, making them an excellent value for our customers.
Our goal is to become a world-famous enterprise and strive to become a world-famous enterprise with diversified development, high sense of social responsibility and sustainable development ability under the background of economic globalization.
We take pride in our reputation as a trusted and reliable supplier of high-quality bearings.
We have professional and high-end R&D evaluation and experienced expert team.
We are dedicated to providing exceptional quality and service to every customer.
Always pursuing high quality Single Row Angular Contact Ball Bearings and perfect service with affinity is the most fundamental to realize our lifelong ideal.
Whether you need a single bearing or a large quantity, we can meet your needs.
The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market.
Whether you need a single bearing or a large production run, we can meet your needs.
Our company has passed the quality certification, and we are committed to improving the defective rate of Single Row Angular Contact Ball Bearings.

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