Tag Archives: angular contact bearing

China best CZPT High Quality Steel Angular Contact Ball Bearings for Machine Tool Spindles 70ad Series carrier bearing

Product Description

KGG: Precision Angled Contact Ball Bearing~70AD Series

Advantages and features of CZPT bearings

∞ CZPT Ball Bearings consist of an outer ring, an inner ring, and a plurality of rollers and spacers. The bearing with high rotation accuracy capable of bearing loads in every direction. Because it has orthogonally arranged cylindrical rollers, it can bear loads in every direction. CZPT provides 2 kinds of bearings: Deep Groove Ball Bearing and Angular Contact Ball Bearings.

∞ ACBB, which is the abbreviation of angular contact ball bearings. With different contact angles, the higher axial load can be well taken care now. CZPT standard ball bearings are the perfect solution for high runout accuracy applications such as machine tool main spindles.

∞ Deep groove ball bearings are widely used in many industries for decades. A deep groove is formed on each inner and outer ring of the bearings enabling them to sustain radial and axial loads or even combinations of both. As the leading deep groove ball bearing factory, CZPT Bearings owns abundant experience in designing and producing this type of bearing.

Application:

1. Medical industry
2.Lithium battery industry
3.Solar photovoltaic industry
4. Semi conductor Industry
5. General industry machinery
6. Machine tool
7. Parking system
8. High-speed rail and aviation transportation equipment
9. 3C industry etc

Technical Drawing

Specification List

Boundary Dimensions (mm)					Basic Load Ratings				Static Axial Load Capacity		Bearing Numbers Type	Load Center	Limiting Speeds nL (min1)		Reference Dimensions (mm)			Abutment and Dimensions (mm)					Space Capacity (cm3)	Weight (kg)
d	D	B	r	r1	C_r	c_r	(KN)	C”	(KN)	(Kgf)		a	Grease	Oil	d,	D,	d₂	4	D_a	Db	%	1as	Open (Approx)	Open (Approx)
d	D	B	min	min	(KN)	(Kgf)	(KN)	(Kgf)	(KN)	(Kgf)		a	Grease	Oil	d,	D,	d₂	min	max	max	max	max	Open (Approx)	Open (Approx)
10	26	8	0.3	0.15	5.1	520	2.41	246	2.33	238	7000AD*	8.2	55000	84700	15.4	20.6	22.7	12.5	23.5	24.8	0.3	0.15	0.9	0.019
12	28	8	0.3	0.15	5.2	530	2.53	258	3.1	318	7001 AD*	8.8	49500	76100	18	22.9	25.2	14.5	25.5	26.8	0.3	0.15	1	0.571
15	32	9	0.3	0.15	5.95	605	3.2	330	3.75	385	7002AD*	10	42100	64800	21.1	25.9	28.2	17.5	29.5	30.8	0.3	0.15	1.3	0.03
17	35	10	0.3	0.15	6.3	640	3.6	370	3.9	400	7003AD*	11.1	38100	58600	23.4	29	30.7	19.5	32.5	33.8	0.3	0.15	1.8	0.037
20	42	12	0.6	0.3	10.5	1080	6.25	640	7.55	770	7004AD*	12.2	31900	49200	27.5	34.5	37.3	24.5	37.5	39.5	0.6	0.3	2.9	0.067
25	47	12	0.6	0.3	11	1130	7.05	720	8.2	840	7005AD	14.4	27500	42400	32.5	39.5	42.3	29.5	42.5	44.5	0.6	0.3	3.3	0.079
30	55	13	1	0.6	14.4	1470	9.8	1000	11.5	1180	7006AD	15.9	23300	35800	38.6	46.4	49.5	35.5	49.5	50.5	1	0.6	4.8	0.11
35	62	14	1	0.6	18.2	1860	13	1330	14.1	1440	7007AD	17.8	20500	31400	44.2	52.8	56.3	40.5	56.5	57.5	1	0.6	6.3	0.15
40	68	15	1	0.6	19.5	1990	15.1	1540	16.4	1680	7008AD*	19.6	18300	28300	49.6	58.3	61.8	45.5	62.5	63.5	1	0.6	7.4	0.19
45	75	16	1	0.6	23	2350	18.2	1860	20.6	2100	7009AD*	21.5	16500	25400	55.2	64.8	68.6	50.5	69.5	70.5	1	0.6	9.4	0.24
50	80	16	1	0.6	24.6	2510	20.7	2120	23.1	2360	7571AD	23.2	15200	23500	60.2	69.8	73.6	55.5	74.5	75.5	1	0.6	11	0.26
55	90	18	1.1	0.6	32	3300	27.1	2770	30	3100	7011 AD	25.9	13700	21100	66.8	78.1	82.7	62	83	85.5	1	0.6	16	0.38
60	95	18	1.1	0.6	33	3350	29.1	2970	31	3200	7012AD	27.1	12800	19700	71.8	83.1	87.6	67	88	90.5	1	0.6	17	0.41
65	100	18	1.1	0.6	35	3550	32	3300	33	3400	7013AD	28.2	12000	18500	76.8	881	92.6	72	93	95.5	1	0.6	18	0.44
70	110	20	1.1	0.6	44	4500	40.5	4150	42	4300	7014AD	31	11000	17000	83.6	96.4	101.7	77	103	105.5	1	0.6	24	0.61
75	115	20	1.1	0.6	45	4600	43	4400	47	4800	7015 AD	22.1	10500	16100	88.5	101.5	106.7	82	108	110.5	1	0.6	26	0.64
80	125	22	1.1	0.6	55.5	5650	52	5350	58.5	5950	7016AD	34.9	9700	14900	95.1	109.9	115.8	87	118	120.5	1	0.6	34	0.86
85	130	22	1.1	0.6	56.5	5800	55.5	5650	61	6200	7017AD	36.1	9200	14200	100.1	114.9	120.8	92	123	125.5	1	0.6	36	0.9
90	140	24	1.5	1.1	67.5	6900	65.5	6650	75	7650	7018AD	38.8	8600	13300	106.8	123.2	129.8	98.5	131.5	134.5	1.5	1	47	1.17
95	145	24	1.5	1.1	69.5	7050	69	7050	77.5	7900	7019AD*	40	8300	12700	111.7	128.2	134.8	103.5	136.5	139.5	1.5	1	49	1.22
100	150	24	1.5	1.1	71	7250	73	7450	82.5	8450	7571AD	41.1	7900	12200	116.8	132.2	139.8	108.5	141.5	144.5	1.5	1	51	1.27

FACTORY DETAILED PROCESSING PHOTOS

HIGH QUALITY CONTROL SYSTEM

FAQ

1. Why choose CZPT China?

Over the past 17 years, CZPT has always insisted that “products and services” start from Japanese industry standards,taking ZheJiang standards as the bottom line, actively invest in the development of new transmission components and self-experiment and test. With the service tenet of “exceeding customer expectations”, establish a “trusted” partnership.

2. What is your main products ?

We are a leading manufacturer and distributor of linear motion components in China. Especially miniature size of Ball Screws and Linear Actuators and linear motion guideways. Our brand “KGG” stands for ” Know-how,” ” Great Quality,” and ” Good value” and our factory is located in the most advanced city in China: ZheJiang with the best equipment and sophisticated technology, completely strict quality control system. Our aim is to supply world leader class linear motion components but with most reasonable price in the world.

3. How to Custom-made (OEM/ODM)?

If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.

4. When can I get the quotation?

We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.

5. How can I get a sample to check the quality?

After confirmation of our quoted price, you can place the sample order. The sample will be started after you sign back our detailed technical file.

6. What’s your payment terms?

Our payment terms is 30% deposit,balance 70% before shipment. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Contact Angle:	25°
Aligning:	Non-Aligning Bearing
Separated:	Separated
Rows Number:	Single
Load Direction:	Radial Bearing
Material:	Bearing Steel

Customization:	Available \| Customized Request

ball bearing

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?

Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:

Unusual Noise:

If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.

Vibration:

Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.

Increased Temperature:

Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.

Irregular Movement:

If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.

Reduced Performance:

If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.

Visible Wear or Damage:

Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.

Leakage or Contamination:

If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.

Looseness or Excessive Play:

If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.

Reduced Lifespan:

If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.

Frequent Failures:

If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.

It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

ball bearing

How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?

Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:

Material Composition:

Ceramic Ball Bearings:

Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.

Traditional Steel Ball Bearings:

Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.

Friction and Heat:

Ceramic Ball Bearings:

Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.

Traditional Steel Ball Bearings:

Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.

Weight:

Ceramic Ball Bearings:

Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.

Traditional Steel Ball Bearings:

Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.

Corrosion Resistance:

Ceramic Ball Bearings:

Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.

Traditional Steel Ball Bearings:

Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.

Speed and Precision:

Ceramic Ball Bearings:

Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.

Traditional Steel Ball Bearings:

Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.

Cost:

Ceramic Ball Bearings:

Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.

Traditional Steel Ball Bearings:

Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.

In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.

ball bearing

What is a Ball Bearing and How does it Function in Various Applications?

A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:

Reduction of Friction:

Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.

Radial and Axial Load Support:

Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.

Smooth Rotational Movement:

Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.

Applications in Machinery:

Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.

Automotive Industry:

Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.

Industrial Machinery:

In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.

High-Speed Applications:

Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.

Precision Instruments:

For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.

Variety of Sizes and Types:

Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.

In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.

China best CZPT High Quality Steel Angular Contact Ball Bearings for Machine Tool Spindles 70ad Series carrier bearing
editor by CX 2024-03-29

China factory 3124m Double Row Angular Contact Ball Bearing for Transmission wheel bearing

Product Description

Angular contact ball bearing can support radial load and axial load. As single row angular contact ball bearings can only support axial load in single direction, it often adopts mounting in pair. As matched pairs of bearings, preload for them is more convenient. Retainer are made of brass, synthetic resins or others subject to individual bearing feature and application conditions.

The raceways of angular contact ball bearing in the inner and outer rings can have relative displacement on the horizontal axis. Therefore, this design can make it withstand combined loads, namely, supporting radial and axial loads simultaneously. The axial load capacity of angular contact ball bearing improves with the increasing contact angle.

Types of angular contact ball bearing
1.Single row angular contact ball bearing
Application: machine tool spindle, high frequency motor, gas turbine, centrifuge, small automobile front wheel, differential pinion shaft, booster pump, drilling platform, food machinery, dividing head, welding machine, low noise type cooling tower, mechanical and electrical equipment, coating equipment, machine tool slot plate, arc welding machine
2.Double row angular contact ball bearing
Application:oil pump, Roots blower, air compressor, all kinds of transmission, fuel injection pump, printing machinery, planetary reducer, extraction equipment, cycloid reducer, food packaging machinery, electric welding machine, electric soldering iron, square box, gravity spray gun, stripping machine, half shaft, inspection and analysis equipment, fine chemical machinery
3.Four-point contact ball bearing

Angular contact ball bearing feature :
1) Bear radial load and axial load
2) The larger the contact angle, the higher the axial bearing capacity
3) Advanced grade technology
4) Quiet and smooth operation even at high speed
5) Super finished raceways
6) Offer products in 15,25 and 40 degree angles

The following technical specifications are just for reference, pls contact us if more details needed.

Bearing No.	Shape Dimension(mm)			(KN) Basic rated load		Max Speed(rpm)		Weight(Kg)
	d	D	B	Cr	Cor	Grease	oil
Single row angular contact ball bearing
7200C	10	30	9	5.8	2.90	22000	28000	0.032
7200AC	10	30	9	5.5	2.80	22000	28000	0.032
7200B	10	30	9	5.3	2.70	19000	27000	0.03
7300C	10	35	11	9.8	4.69	18000	26000	0.053
7300AC	10	35	11	9.5	4.40	18000	26000	0.053
7201C	12	32	10	7.90	3.80	20000	25000	0.037
7201AC	12	32	10	7.6	3.60	20000	25000	0.037
7201B	12	32	10	6.90	3.20	18000	24000	0.036
7301C	12	37	12	11.8	5.60	17000	24000	0.060
7301AC	12	37	12	11.50	5.40	17000	24000	0.060
7301B	12	37	12	10.5	4.90	16000	22000	0.060
7202C	15	35	11	9.2	4.90	17000	22000	0.045
7202AC	15	35	11	8.90	4.80	17000	22000	0.045
7202B	15	35	11	7.9	4.20	16000	22000	0.045
7302C	15	42	13	13.2	6.70	15000	21000	0.084
7302AC	15	42	13	12.5	6.20	15000	21000	0.084
7302B	15	42	13	12.4	6.50	14000	19000	0.080
7203C	17	40	12	10.8	5.80	15000	20000	0.062
7203AC	17	40	12	10.4	5.60	15000	20000	0.062
7203B	17	40	12	9.9	5.50	14000	19000	0.065
7303C	17	47	14	15.7	8.20	13000	19000	0.110
7303AC	17	47	14	15.0	7.70	13000	19000	0.110
7303B	17	47	14	15.4	8.10	13000	17000	0.110
7204C	20	47	14	14.5	8.10	13000	18000	0.100
7204AC	20	47	14	14.0	7.80	13000	18000	0.100
7204B	20	47	14	13.4	7.60	12000	16000	0.110
7304C	20	52	15	18.4	9.80	12000	17000	0.150
7304AC	20	52	15	17.9	9.60	12000	17000	0.150
7304B	20	52	15	17.3	9.6000	11000	15000	0.140
7205C	25	52	15	16.5	10.00	11000	16000	0.120
7205AC	25	52	15	15.8	9.70	11000	16000	0.120
7205B	25	52	15	14.8	9.30	10000	14000	0.130
7305C	25	62	17	27.8	15.90	9500	14000	0.230
7305AC	25	62	17	27.0	15.90	9500	14000	0.230
7305B	25	62	17	24.3	14.10	9000	13000	0.230
7206C	30	62	16	23.0	14.70	9000	13000	0.190
7206AC	30	62	16	22.1	13.50	9000	13000	0.190
7206B	30	62	16	20.5	13.50	8500	12000	0.200

Double row angular contact ball bearings
5200	10	30	14.3	7	3.80	20000	15000	0.049
5201	12	32	15.9	9.2	5.10	19000	14000	0.057
5202	15	35	15.9	10	6.10	16000	12000	0.064
5203	17	40	17.5	12.8	7.90	14000	10000	0.034
5204	20	47	20.6	19	12.10	12000	8000	0.153
5205	25	52	20.6	20.6	14.30	10000	7500	0.175
5206	30	62	23.8	28.6	20.40	8500	6500	0.286
5207	35	72	27	38	27.80	7500	5500	0.436
5208	40	80	30.2	42.5	32.50	7000	5300	0.590
5209	45	85	30.2	48	37.00	6500	5000	0.640
5210	50	90	30.2	51	42.00	6000	4500	0.689
5211	55	100	33.3	63	53.00	5800	4400	0.986
5212	60	110	36.5	71.5	58.50	5300	4000	1.270
5213	65	120	38.1	83.5	72.50	4800	4000	1.570
5214	70	125	39.7	87.5	79.50	4400	3800	1.800
5215	75	130	41.3	90	80.50	3600	3600	1.900
5216	80	140	44.4	106	95.50	3600	2800	2.390
5217	85	150	49.2	112	106.00	3500	2400	3.060
5218	90	160	52.4	140	129.00	3200	2200	3.730
5300	10	35	19	9.2	5.10	19000	14000	0.092
5301	12	37	19	10	6.10	17000	12000	0.109
5302	15	42	19	12.8	7.90	15000	10000	0.132
5303	17	47	22.2	20.4	12.10	12000	8000	0.181
5304	20	52	22.2	20.6	12.70	12000	8000	0.227
5305	25	62	25.4	30.5	20.50	10000	7500	0.362
5306	30	72	30.2	39.5	27.50	8000	6500	0.553
5307	35	80	34.9	49.5	35.00	7000	5300	0.766
5308	40	90	36.5	60.5	44.00	6500	5000	1.571
5309	45	100	39.7	72.5	54.00	5600	4300	1.340
5310	50	110	44.4	85.5	64.50	5300	4000	1.810
5311	55	120	49.2	106	82.00	4800	3600	2.320
5312	60	130	54	122	95.50	4500	3500	3.050
5313	65	140	58.7	138	109.00	4000	3000	3.960
5314	70	150	63.5	155	125.00	3800	2800	4.740
5315	75	160	68.3	168	141.00	3200	2600	5.650
5316	80	170	68.3	175	151.00	3000	2200	7.210
5318	90	190	73	225	266.00	3000	2000	9.015
3212M	60	110	36.5	83.5	72.50	5300	4000	1.55
3213M	65	120	38.1	87.5	79.50	4800	3800	1.78
3214M	70	125	39.7	90	80.50	4400	3600	1.9
3215M	75	130	41.3	106	95.50	3600	3000	2.15
3216M	80	140	44.4	112	106.00	3600	2800	2.7
3217M	85	150	49.2	140	129.00	3500	2400	3.5
3218M	90	160	52.4	153	142.00	3200	2200	4.18
3219M	95	170	55.6	163	184.00	3000	2000	5.1
3220M	100	180	60.3	210	240.00	2500	1900	6.14
3221M	105	190	65.1	210	240.00	2200	1600	7.4
3222M	110	200	69.8	218	245.00	2000	1400	9.2
3308M	40	90	36.5	60.5	44.00	6500	5000	1.01
3309M	45	100	39.7	72.5	54.00	5600	4300	1.41
3310M	50	110	44.4	85.5	65.00	5300	4000	1.96
3311M	55	120	49.2	106	82.00	4800	3600	2.68
3312M	60	130	54	122	96.00	4500	3500	3.25
3313M	65	140	58.7	138	109.00	4000	3000	4.18
3314M	70	150	63.5	155	125.00	3800	2800	5.2
3315M	75	160	68.3	168	141.00	3200	2600	5.85
3316M	80	170	68.3	175	151.00	3200	2600	7.75
3317M	85	180	73	167	240.00	3000	2200	8.3
3318M	90	190	73	225	266.00	3000	2000	9.02
3319M	95	200	77.8	269	294.00	2700	1800	11.16
3320M	100	215	82.6	309	359.00	2200	1500	14.2
3321M	105	225	87.3	309	360.00	1800	1200	16.35
3322M	110	236.5	90.2	366.2	403.70	1580	990	18.19

Our Advantages

1.Factory: we are a professional bearing supplier in China. Besides of our own factory, we also have a stable supply chain to provide all types of bearing.
2.Quality: we can supply bearing with world-class quality.
3.OEM or Non-Standard Bearing: OEM & Non-Standard bearing are available.
4.Professional teams:we have professional teams with technology, research and production.
5. Quick delivery: we can provide the shortest delivery time.

Packaging & Shipping

Packing & Shipping
1.Industrial packaging

2.Commercial packing

3.According to customer’s requirements.

Company Profile

ZheJiang Dente International Trade Co.,Ltd is a comprehensive enterprise with factory and trading company. we are focusing on import and export business based on our own bearing factory which is located in HangZhou City where is the largest bearing wholesale base in China.

ZheJiang Dente International Trade Co.,Ltd has taken in this line for more than 20 years. Besides of our own factory, we also cooperate with more than 500 bearing factories to meet market requirements. Therefore, we can supply high-quality bearing products with competitive price and the shortest delivery time if you choose us.

Our products include deep groove ball bearing, tapered roller bearing, pillow block bearing, self-aligning ball bearing, spherical roller bearing, cylindrical roller bearing, thrust ball bearing, non-standard bearing of automobiles. Simultaneously we also supply needle roller bearing, stainless steel bearing ,inch series bearing, non-standard bearing, imported bearing of global brand, wheel hub bearing. And we also supply some customized bearing.

Your satisfaction is our goal, expecting your inquiries.

FAQ

Q:Are you a manufacturer?
A:Yes, we are a manufacturer, we have our own factory.

Q:Can you supply samples?
A:Sure, samples can be provided free of charge, and the buyer pay the postage of the sample.

Q:The terms of shipment:
A:Firstly:We will delivery the bearings on time. The bearings will be shipped within 7 days after receiving the balance payment.

Q:How to place the order:
A:Send your inquiry →we will quote you→confirm the order→send you PI → make the in advance payment→we will produce the order→make the balance payment→delivery the goods after receiving the balance payment.

Q:The terms of payment:
A:30% deposit and 70% balance.

Q:The terms of price:
A: EXW factory
FOB HangZhou Port China
CIF any port of your orders

Q:If I want to mark my own brand on your bearing in small quantity does it work?
A: Yes, we can engrave your own brand on the bearing in small quantity.
In the future, when you have larger quantity, we can open the cover mold of your own brand name.

Q: MOQ
A: Once your bearing is standard size bearing, we accept the small quantity even in 1 set.

Q: If I don’t see the type of bearing I need, what should I do?
A: We have too many bearing series number. Sometimes, we are unable to put them all on Made-In-China. Just send the inquiry to us, and we’ll send you the details of bearing.

Welcome to contact me!

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Contact Angle:	15°
Aligning:	Non-Aligning Bearing
Separated:	Unseparated

Samples:	US$ 1/Set 1 Set(Min.Order) \| Order Sample Various types are available

Customization:	Available \| Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

ball bearing

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?

Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:

High-Carbon Chrome Steel (AISI 52100):

This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.

Stainless Steel (AISI 440C, AISI 304, AISI 316):

Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.

Ceramic:

Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.

Plastic (Polyamide, PEEK):

Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.

Bronze:

Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.

Hybrid Bearings:

Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.

Specialty Alloys:

For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.

Coated Bearings:

Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.

The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

ball bearing

How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?

Material Composition:

Ceramic Ball Bearings:

Traditional Steel Ball Bearings:

Friction and Heat:

Ceramic Ball Bearings:

Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.

Traditional Steel Ball Bearings:

Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.

Weight:

Ceramic Ball Bearings:

Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.

Traditional Steel Ball Bearings:

Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.

Corrosion Resistance:

Ceramic Ball Bearings:

Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.

Traditional Steel Ball Bearings:

Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.

Speed and Precision:

Ceramic Ball Bearings:

Traditional Steel Ball Bearings:

Cost:

Ceramic Ball Bearings:

Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.

Traditional Steel Ball Bearings:

Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.

ball bearing

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

Deep Groove Ball Bearings:

Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.

Angular Contact Ball Bearings:

Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.

Self-Aligning Ball Bearings:

Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.

Thrust Ball Bearings:

Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.

Single-Row vs. Double-Row Bearings:

Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.

Miniature and Instrument Ball Bearings:

Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.

Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.

China factory 3124m Double Row Angular Contact Ball Bearing for Transmission wheel bearing
editor by CX 2024-03-28

China Good quality CZPT CZPT CZPT CZPT Motorcycle Bearing Wheel Bearing Linear Bearing Angular Contact Ball Bearing Taper Roller Bearing Deep Groove Ball Bearing Rulemanes bearing air

Product Description

Applicable Material	Chrome Steel/Gcr-15
Greese	SRL ,PS2, Alvania R12 ,etc
Quality control	Checking is during production process, after surface and before packing
Lead time	10-15 days for sample,15-25 days for bulk order depends on your design
Package	Standard package/ Pallet or container/ as per customized specifications
Shipment	Express & air freight is preferred / sea freight/ as per customized specifications

Quality Control

1) Incoming quality control : Checking the raw material after they reach our factory

2) Checking the details before the production line operated

3) In-process quality control : Have a full inspection and routing inspection during mass production

4) Final quality control : Checking the goods after they are finished

5) Outgoing quality control : Checking the goods after they are finished

More products

Wheel Bearing	Dimensions(mm)				Mass	Hub Assembly	Clutch Bearing	Truck Bearng	Taper roller bearing	Wheel bearing kit	Wheel Bearing
	d	D	B	C
DAC2552Z NISMO V6 3.7L 3696CC VQ37VHR Z TOURING V6 3.7L 3696CC VQ37VHR 2/SP5	LIBERTY IV [2	XV 13-/xv 13/	REAR
234	24873-AJ00A 28473-SC000 28473-FJ000 28473-FG000 VKBA7479	FORESTER (SH) [2008-]IMPREZA Hatchback (GR, GH, G3) [2007-2014]LEGACY V (BM) [2009-]LEGACY V Estate (BR) [2008-2014]OUTBACK (BR) [2009-]

Company Profile

Rainbow auto parts focuses on the production and sales of auto parts. Our auto parts have been exported to all over the world and have won praise from customers.

We will strictly check the product production process:

Checking the raw material after they reach our factory
Checking the details before the production line operated
Have a full inspection and routing inspection during mass production
Checking the goods after they are finished

Packaging & Shipping

ORIGINAL PACKING/ NEUTRAL PACKING/ PACKAGING AS CUSTOMER REQUIRE

FAQ

Q: What is the MOQ?
A: It depends on what you are buying. Small MOQ can be acceptable.

Q: Can you customize my products?
A: Yes, we can customize products with your design drawings.

Q: What is your terms of payment?
A: 30% T/T in advance, balance before shipment, or as per discussion.

Q. What is your terms of packing?
A: Generally,we use brown boxes for packing. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q. How about your delivery time?
A: If the product is in stock, the delivery time is 1 week after payment. If there is no stock, the delivery time is 30 days.

Q. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.

Q. What can I do if the item damaged during transportation?
A: Our customer service staffs will help you with any questions or concerns. Under any circumstance, we will pack products well before shipping. So if any damage on products, please take pictures for us. We will figure out a solve way.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service:	Full After Sale Service
Warranty:	30000-50000 Km
Type:	Wheel Bearing

Samples:	US$ 50/Set 1 Set(Min.Order) \| Order Sample

Customization:	Available \| Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

ball bearing

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?

Unusual Noise:

Vibration:

Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.

Increased Temperature:

Irregular Movement:

If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.

Reduced Performance:

Visible Wear or Damage:

Leakage or Contamination:

If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.

Looseness or Excessive Play:

If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.

Reduced Lifespan:

If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.

Frequent Failures:

If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.

ball bearing

What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?

Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:

Design and Geometry:

Deep Groove Ball Bearings:

Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.

Angular Contact Ball Bearings:

Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.

Load Carrying Capacity:

Deep Groove Ball Bearings:

Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.

Angular Contact Ball Bearings:

Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.

Contact Angle:

Deep Groove Ball Bearings:

Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.

Angular Contact Ball Bearings:

Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.

Applications:

Deep Groove Ball Bearings:

Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.

Angular Contact Ball Bearings:

Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.

Limitations:

Deep Groove Ball Bearings:

Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.

Angular Contact Ball Bearings:

Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.

In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.

ball bearing

How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?

Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:

Design:

Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.

Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.

Friction and Efficiency:

Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.

Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.

Load Capacity:

Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.

Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.

Variability:

Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.

Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.

Speed Capability:

Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.

Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.

Applications:

Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.

Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.

In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.

China Good quality CZPT CZPT CZPT CZPT Motorcycle Bearing Wheel Bearing Linear Bearing Angular Contact Ball Bearing Taper Roller Bearing Deep Groove Ball Bearing Rulemanes bearing air
editor by CX 2024-03-06

China supplier Slewing Bearing Tapered Roller Steel Ball Bearings Deep Groove Puller Front Wheel Hub Pillow Block Taper Roller Angular Contact Rear Wheel Linear Auto Bearing wholesaler

Product Description

Slewing bearing Tapered Roller steel ball bearings Deep Groove puller front wheel hub pillow block taper roller angular contact rear wheel linear auto bearing

Application of Slewing bearing

A slewing bearing, also called a turntable bearing, is a type of bearing that allows for a heavy but slow-turning or slowly-oscillating load to be supported in combination (axial, radial and moment loads), often a horizontal platform such as a conventional crane, a swing yarder, or the wind-facing platform of a horizontal-axis (yaw) windmill. In other orientations (e.g. a horizontal axis of rotation) they are used in materials handling grapples, forklift attachments, welding turnover jigs and so on.

Slewing rings range in size from as little as 100mm diameter to well over 15 000mm (often segmented at this size for easy transport and handling); for example the bearings on the Falkirk Wheel are 4 meters diameter and fit over a 3.5 meter axle. Slewing bearings are often made with gear teeth integral with the inner or outer race (or both in rare cases) used to drive the platform relative to the base (for example in winches).

Slewing rings are used in a variety of applications, including:

Wind turbines: Slewing bearings are used in wind turbines to support the nacelle and rotor blades.
Cranes: Slewing bearings are used in cranes to support the boom and jib.
Drilling rigs: Slewing bearings are used in drilling rigs to support the mast and drill string.
Robotics: Slewing bearings are used in robotics to support the manipulator arm.
Machine tools: Slewing bearings are used in machine tools to support the spindle and workpiece.

Slewing bearings are a critical component in many applications. They are responsible for supporting heavy loads and allowing for smooth and precise movement.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Rolling Body:	Roller Bearings
The Number of Rows:	Single
Outer Dimension:	Small and Medium-Sized (60-115mm)
Material:	Bearing Steel
Spherical:	Aligning Bearings
Load Direction:	Axial Bearing

Samples:	US$ 9999/Piece 1 Piece(Min.Order) \| Request Sample

ball bearing

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?

High-Carbon Chrome Steel (AISI 52100):

Stainless Steel (AISI 440C, AISI 304, AISI 316):

Ceramic:

Plastic (Polyamide, PEEK):

Bronze:

Hybrid Bearings:

Specialty Alloys:

Coated Bearings:

Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.

ball bearing

What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?

Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:

Effective Sealing:

Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.

Clean Environment:

Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.

Proper Handling:

Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.

Clean Tools and Equipment:

Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.

Contamination-Controlled Workstations:

Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.

Proper Lubrication:

Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.

Regular Inspections:

Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.

Training and Education:

Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.

Environmental Controls:

In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.

Regular Cleaning and Maintenance:

Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.

Selection of Suitable Bearings:

Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.

By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.

ball bearing

What is a Ball Bearing and How does it Function in Various Applications?

Reduction of Friction:

Radial and Axial Load Support:

Smooth Rotational Movement:

Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.

Applications in Machinery:

Automotive Industry:

Industrial Machinery:

In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.

High-Speed Applications:

Precision Instruments:

For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.

Variety of Sizes and Types:

China supplier Slewing Bearing Tapered Roller Steel Ball Bearings Deep Groove Puller Front Wheel Hub Pillow Block Taper Roller Angular Contact Rear Wheel Linear Auto Bearing wholesaler
editor by CX 2024-02-22

China Good quality Enzolo Motorcycle Bearing Wheel Bearing Auto Bearing Linear Bearing Angular Contact Ball Bearing Taper Roller Bearing Deep Groove Ball Bearing carrier bearing

Product Description

Enzolo Profile

HangZhou Enzolo Technology Co., Ltd is the major worldwide manufacturer and supplier of motorcycle, scooter and ATV parts and accessories for over 20 years.
Our strengths are efficient management ( fully-operated ERP system) and superior quality control ( inspect 1 by one ). The most important thing is the sincere service that we provide.
We have a experienced team of professional sales to maintain excellent communication with clients and provide clients-oriented after-sale service.
ENZOLO offered complete one-stop service. If you need any motorcycle parts and accessories, please send us photos or drawings or samples to get fast quotation !

ENZOLO Main Motorcycle Models

Honda Models:
C100, C110, C125, SUPRA110, WAVE110, SPACY110, WAVE125, INVOVAi125, ECO DELUXE 100, CD100 Hero Splendor, WH100, WH125, PCX125, CG125, CG150, CG200, CG250, CG300, WY125, WY150, CGL125, CB110, CB125, STORM125, CB1-125, CBZ160, CB190, CBR250, CBX250, NXR125 BROSS, NXR150 BROSS, NXR200 BROSS, CTX200, CBF125, CBF150, etc.

Suzuki Models:
AX100, AX4, GD110, QS110, SMASH110, VIVAX115, AN125, AN150, GN125, EN125, GS125, GS150R, GIXXER, GSX150, DR200, etc.

Yamaha Models:
T50, T80, V50, JOG50, BWS50, V80, CY80, RX100, RX115, YB100, JOG100, BWS100, CRUX110, JY110, CRYPTON, T105, RS110, RX125, BWS125, DT125, DTK125, DT175, DTK175, YBR125, SRZ125, SRZ150, XTZ125, XTZ150, FAZER150, XT200, LC135, FZ16, etc.

Bajaj Models:
CT100, Boxer BM100, BM150, Pulsar180, Pulsar200, Pulsar200 NS, Pulsar220, Pulsar220 NS, XCD125, XCD135, Platina125, Caliper, KB4S, 3W4S, RE205D, RE4S, etc.

Other Brands:
JH70, JH90, DY90, DY100, CD110, JH110, KTM100, LF110, LX110, LX125, LX150, DY125, DY150, ZS200, KEEWAY, TVS start, TVS Sport, TVS king, TVS victor, TVS apache160, TVS apache180, HERO, XY125, XY150, XY200GY-6, XY200GY-8, XY200GY, GY200, CROSS200, BROSS200, GY6-80, GY6-100, GY6-125, GY6-150, SYM125, MIO100, CBT125, CM150, TIGER150, TIGER200, QJ125, HJ125-8, HJ150, etc.

ENZOLO Motorcycle Parts:
Cylinder head, Valve, Crankshaft, Piston Ring, Brake Shoes, Handle Switch, Cylinder kit, Piston Kit, Carburetor, Clutch, Motor, Tire, Camshaft, Clutch Plate, Timing Chain, Wheel Hub, Side Mirror, Wheel Rim , Brake Pad, Brake Cylinder, Lock System, Sprocket Kit, Speedometer, Headlight, Spark Plug,Ignition Coil, Lighting Series, Fuel Tank, Front Shock Absorber, Rear Shock Absorber, Front Shock Absorber, Transmission Shaft Assy, Foot Pegs, Shift Lever, Clutch Line, Front Brake Line, Chain, Seat, Fuel Tank , Side Cover,etc.

Detailed Photos

Product Description

Brand	ENZOLO
OEM & ODM Services	Available
OEM Packaging & Logo	Available
Product Name	Bearings
Packaging	ENZOLO Packaging/Neutral/Customized
Please Send Photo of the Parts	To Get Fast Quotation
Motorcycle Fitment	For Motorcycles
ENZOLO	Welcome Dealers

Our Advantages

Company Activities

FAQ

1. Do you offer samples ? Are samples free ?

Yes, we offer samples, but you need to pay samples and shipping. We will refund your sample order when you place the first order with ENZOLO.

2. Can you do OEM service for me ?

Yes, we accept OEM orders. You can send logo and package files to us, we will send you sample photos and videos as soon as we can.

3. What’s your payment terms ?

30% deposit by T/T, 70% before shipping.

4. How long is your lead time ?

Generally it will take around 30 days after receiving your advance payment, specific delivery time depends on the parts and quantity of your order.

5. How can i get the price quickly ?

It is ok to get a fast quotation if you send us photos, drawings or samples of your parts.

Fast Quotation

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service:	One Year
Warranty:	One Year
Type:	Steering Bearing
Material:	Stainless Steel
Certification:	ISO9001：2001, CCC, SONCAP, CE
Number of Row:	Single Row

Samples:	US$ 1/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

ball bearing

What are the Challenges Associated with Noise Reduction in Ball Bearings?

Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:

Vibration:

Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.

Bearing Type and Design:

The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.

Lubrication:

Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.

Bearing Clearance and Preload:

Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.

Material and Manufacturing Quality:

The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.

Surface Finish:

The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.

Sealing and Shielding:

Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.

Operating Conditions:

External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.

Wear and Deterioration:

As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.

To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.

ball bearing

What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?

Design and Geometry:

Deep Groove Ball Bearings:

Angular Contact Ball Bearings:

Load Carrying Capacity:

Deep Groove Ball Bearings:

Angular Contact Ball Bearings:

Contact Angle:

Deep Groove Ball Bearings:

Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.

Angular Contact Ball Bearings:

Applications:

Deep Groove Ball Bearings:

Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.

Angular Contact Ball Bearings:

Limitations:

Deep Groove Ball Bearings:

Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.

Angular Contact Ball Bearings:

Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.

ball bearing

What are the Different Components that Make up a Typical Ball Bearing?

A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:

Outer Ring:

The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.

Inner Ring:

The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.

Balls:

The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.

Cage or Retainer:

The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.

Seals and Shields:

Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.

Lubricant:

Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.

Flanges and Snap Rings:

In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.

Raceways:

Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.

Anti-Friction Shield:

In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.

These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.

China Good quality Enzolo Motorcycle Bearing Wheel Bearing Auto Bearing Linear Bearing Angular Contact Ball Bearing Taper Roller Bearing Deep Groove Ball Bearing carrier bearing
editor by CX 2024-02-12

China factory New arrival 7206b CZPT single row sealed miniature radial axial ceramic mini lathe precision dimensions price thin section angle angular contact ball bearing with Hot selling

Product Description

HXHV High Speed / Ball Screw Support Bearing
Material: Chrome Steel / Stainless Steel rings and balls.
Precesion Range: P5 or P4
OEM Service: Custom bearing’s size, logo, packing.

70 Series (High Speed): contact us for more

Model Number	Model Number2	Inner Diameter	Outer Diameter	Width
706C	706AC	6 mm	17 mm	6 mm
708C	708AC	8 mm	22 mm	7 mm
7000C	7000AC	10 mm	26 mm	8 mm
7001C	7001AC	12 mm	28 mm	8 mm
7002C	7002AC	15 mm	32 mm	9 mm
7003C	7003AC	17 mm	35 mm	10 mm
7004C	7004AC	20 mm	42 mm	12 mm
7005C	7005AC	25 mm	47 mm	12 mm
7006C	7006AC	30 mm	55 mm	13 mm
7007C	7007AC	35 mm	62 mm	14 mm

72 Series (High Speed): contact us for more

Model Number	Model Number2	Inner Diameter	Outer Diameter	Width
7200C	7200AC	10 mm	30 mm	9 mm
7201C	7201AC	12 mm	32 mm	10 mm
7202C	7202AC	15 mm	35 mm	11 mm
7203C	7203AC	17 mm	40 mm	12 mm
7204C	7204AC	20 mm	47 mm	14 mm
7205C	7205AC	25 mm	52 mm	15 mm
7206C	7206AC	30 mm	62 mm	16 mm
7207C	7207AC	35 mm	72 mm	17 mm
7208C	7208AC	40 mm	80 mm	18 mm
7209C	7209AC	45 mm	85 mm	19 mm

718 Series (High Speed): contact us for more

Model Number	Model Number2	Inner Diameter	Outer Diameter	Width
71800C	71800AC	10 mm	19 mm	5 mm
71801C	71801AC	12 mm	21 mm	5 mm
71802C	71802AC	15 mm	24 mm	5 mm
71803C	71803AC	17 mm	26 mm	5 mm
71804C	71804AC	20 mm	32 mm	7 mm
71805C	71805AC	25 mm	37 mm	7 mm
71806C	71806AC	30 mm	42 mm	7 mm
71807C	71807AC	35 mm	47 mm	7 mm
71808C	71808AC	40 mm	52 mm	7 mm
71809C	71809AC	45 mm	58 mm	7 mm

719 Series (High Speed): contact us for more

Model Number	Model Number2	Inner Diameter	Outer Diameter	Width
71900C	71900AC	10 mm	22 mm	6 mm
71901C	71901AC	12 mm	24 mm	6 mm
71902C	71902AC	15 mm	28 mm	7 mm
71903C	71903AC	17 mm	30 mm	7 mm
71904C	71904AC	20 mm	37 mm	9 mm
71905C	71905AC	25 mm	42 mm	9 mm
71906C	71906AC	30 mm	47 mm	9 mm
71907C	71907AC	35 mm	55 mm	10 mm
71908C	71908AC	40 mm	62 mm	12 mm
71909C	71909AC	45 mm	68 mm	12 mm

TAC Series (Ball screw support): contact us for more

Model Number	Inner Diameter	Outer Diameter	Width
15TAC47B	15 mm	47 mm	15 mm
17TAC47B	17 mm	47 mm	15 mm
20TAC47B	20 mm	47 mm	15 mm
25TAC62B	25 mm	62 mm	15 mm
30TAC62B	30 mm	62 mm	15 mm
35TAC72B	35 mm	72 mm	15 mm
40TAC72B	40 mm	72 mm	15 mm
40TAC90B	40 mm	90 mm	20 mm

760 Series (Ball screw support): contact us for more

Model Number	Inner Diameter	Outer Diameter	Width
7657112	12 mm	32 mm	10 mm
7657115	15 mm	35 mm	11 mm
7657117	17 mm	40 mm	12 mm
7657120	20 mm	47 mm	14 mm
765711	20 mm	52 mm	15 mm
7657125	25 mm	52 mm	15 mm
76 0571 1	25 mm	62 mm	17 mm
7657130	30 mm	62 mm	16 mm
7603030	30 mm	72 mm	19 mm
7657135	35 mm	72 mm	17 mm

Packing:

Universal Packing	Without any logo on bearings or packing.
HXHV Packing	With our brand HXHV on bearings and packing.
Customized Packing	Depends on buyer’s requirements.
Original Brand Packing	Bearing and packing are both original. Please contact us for pictures.

Certificate:
Our bearings comes with CE certificate and our company has been verified by SGS Group. Please contact us for clear certificate photos.

Other Bearings:
We supply different types of ball and roller bearings, slewing bearings, mini bearings, ceramic bearings, Linear guides.

To get price list of promotion bearings, please contact us. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Contact Angle:	15° or 25°
Aligning:	Aligning Bearing
Separated:	Unseparated
Rows Number:	Single
Load Direction:	Radial Bearing
Material:	Bearing Steel

Samples:	US$ 2.5/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

ball bearing

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?

High-Carbon Chrome Steel (AISI 52100):

Stainless Steel (AISI 440C, AISI 304, AISI 316):

Ceramic:

Plastic (Polyamide, PEEK):

Bronze:

Hybrid Bearings:

Specialty Alloys:

Coated Bearings:

Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.

ball bearing

How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?

Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:

Lubrication:

Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.

Material Properties:

Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.

Clearance Changes:

Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.

Corrosion and Contamination:

Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.

Thermal Stress:

Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.

Noise and Vibration:

Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.

Lubricant Degradation:

Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.

Seal Effectiveness:

Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.

Choosing Appropriate Bearings:

When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.

Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.

ball bearing

What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?

Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:

Reduced Friction:

One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.

Efficient Load Support:

Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.

Smooth Rotation:

Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.

High-Speed Capability:

Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.

Reduced Wear and Maintenance:

The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.

Energy Efficiency:

By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.

Versatility:

Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.

Reliability and Longevity:

Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.

Quiet Operation:

Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.

In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.

China factory New arrival 7206b CZPT single row sealed miniature radial axial ceramic mini lathe precision dimensions price thin section angle angular contact ball bearing with Hot selling
editor by CX 2024-01-19

China Standard Open Type Constant Cross Section Angular Contact Ball Bearings Kf065ar0 Kf070ar0 Kf075ar0 bearing air

Product Description

Product description

Equal-section Thin-walled bearings
Equal-section Thin-walled bearings are world -renowned for their space saving and weight reduction. It solves the problems of size and weight of traditional bearings, and the size and weight of shafts and housings. High precision, very quiet ad strong load carrying capacity. Even with larger shaft diameters and bearing holes, the cross section remains the same. Therefore this type of thin-walled bearing is called constant section.

Company

HangZhou Auto Bearing Co., Ltd. is located in the industrial park of HangZhou,which is 1 of the 4 great ancient capitals of China.Our company is the member of China Bearing Industry Association,cooperating with State Quality Supervision and Testing Center for bearing.Our company is a professional bearing manufacturer which integrated with research ,development and marketing services.

Our major products include deep groove ball bearing, spherical roller bearing, slewing ring, crossed roller bearing and other all kinds of high precision bearings.Our products are widely applied to motor industry,mining metallurgy,wind power generation,petroleum drilling,automobile and motorcycle etc..
Our company not only possesses advanced bearing manufacturing equipments and international first-class measuring instruments, but also has strong strength of manufacturing, inspecting and testing the high precision and reliability bearings.Each process is in strict accordance with the ISO9001 quality management system,which effectively guarantees the precise of products and stability of the performance. AUTO bearings are mainly exported to the United states,South Korea,Europe,etc., which have reached the high level of foreign similar products.
The soul of our business culture is [Detail makes competitive, innovation makes first-class”.We believe the production and management philosophy of [quality wins ,casting competitive products”.The company adheres to the zero-defect quality management for meeting customer requirements.

Packing

A. plastic box & outer carton & pallets
B. plastic bag & box & carton & pallet
C. tube package & middle box & carton & pallet
D. Depends on your needs

Delivery

A. Most orders will be shipped within 3-5 days of payment being received.
B. Samples will be shipped by cov2urier as FedEx,UPS,DHL,etc.

Thank you very much for taking time to view our company’s website. If you are interested in this product, please feel free to contact us. We are always here.

Contact Angle:	0
Aligning:	Non-Aligning Bearing
Separated:	Unseparated
Rows Number:	Single
Load Direction:	Radial Bearing
Material:	Bearing Steel

Samples:	US$ 1/Piece 1 Piece(Min.Order) \| Request Sample

ball bearing

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?

Unusual Noise:

Vibration:

Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.

Increased Temperature:

Irregular Movement:

If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.

Reduced Performance:

Visible Wear or Damage:

Leakage or Contamination:

If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.

Looseness or Excessive Play:

If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.

Reduced Lifespan:

If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.

Frequent Failures:

If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.

ball bearing

What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?

Design and Geometry:

Deep Groove Ball Bearings:

Angular Contact Ball Bearings:

Load Carrying Capacity:

Deep Groove Ball Bearings:

Angular Contact Ball Bearings:

Contact Angle:

Deep Groove Ball Bearings:

Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.

Angular Contact Ball Bearings:

Applications:

Deep Groove Ball Bearings:

Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.

Angular Contact Ball Bearings:

Limitations:

Deep Groove Ball Bearings:

Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.

Angular Contact Ball Bearings:

Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.

ball bearing

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

Deep Groove Ball Bearings:

Angular Contact Ball Bearings:

Self-Aligning Ball Bearings:

Thrust Ball Bearings:

Single-Row vs. Double-Row Bearings:

Miniature and Instrument Ball Bearings:

Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

China Standard Open Type Constant Cross Section Angular Contact Ball Bearings Kf065ar0 Kf070ar0 Kf075ar0 bearing air
editor by CX 2023-11-18

China factory 45bnr10stynsulp4 Ultra High Speed Angular Contact Ball Bearing 45X75X16mm deep groove ball bearing

Product Description

45BNR10STYNSULP4 Ultra High Speed Angular Contact Ball Bearing 45x75x16mm

45BNR10STYNSULP4 Bearing Specifications

Stock Qty.

115.pcs

Country Origin

JAPAN

Contact Angel

18°

Bore Dia.(mm)

Arrangements

SU / DU / DB / DT / DF

Preload

Accuracy

Bearing Material

SUJ2

Cage

Polyamide Cage

Type

Ultra High Speed Angular Contact Ball Bearing

HS CODE

8482103TVP 7657125TVP 7657130TVP 7657135TVP 76 0571 1TVP 7603030TVP 7603040TVP BSB040072T B71912 CT.P4.SUM BST30X62.1BDBP4

Separated:	Unseparated
Load Direction:	Optional
Material:	Bearing Steel
Weight:	0.164
Limiting Speeds Grease(Rpm):	28900 R/Min
Limiting Speeds Oil(Rpm):	41300 R/Min

Customization:	Available \| Customized Request

ball bearing

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?

Unusual Noise:

Vibration:

Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.

Increased Temperature:

Irregular Movement:

If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.

Reduced Performance:

Visible Wear or Damage:

Leakage or Contamination:

If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.

Looseness or Excessive Play:

If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.

Reduced Lifespan:

If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.

Frequent Failures:

If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.

ball bearing

How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?

Lubrication:

Material Properties:

Clearance Changes:

Corrosion and Contamination:

Thermal Stress:

Noise and Vibration:

Lubricant Degradation:

Seal Effectiveness:

Choosing Appropriate Bearings:

ball bearing

How does Lubrication Impact the Performance and Lifespan of Ball Bearings?

Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:

Friction Reduction:

Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.

Wear Prevention:

Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.

Heat Dissipation:

Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.

Corrosion Resistance:

Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.

Noise Reduction:

Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.

Seal Protection:

Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.

Improved Efficiency:

Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.

Lifespan Extension:

Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.

Selection of Lubricant:

Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.

Regular Maintenance:

Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.

In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.

China factory 45bnr10stynsulp4 Ultra High Speed Angular Contact Ball Bearing 45X75X16mm deep groove ball bearing
editor by CX 2023-11-18

China Professional High Quality 7000c 2rz Angular Contact Ball Bearing 7000c 7000AC 7000b bearing distributors

Product Description

DETA

ZheJiang Leicester Bearing Technology Co., Ltd. is a specialized manufacturer that produces various types of bearings, including cylindrical roller bearings (7 series, 97 series, 3007 series, 20097 series), British standard tapered roller bearings, deep groove ball bearings, spherical plain bearings, self-aligning roller bearings, rolling mill bearings, and a variety of non-standard bearings.
At our core, we believe in “Quality, Creating Value,” and we have gained the trust and support of customers both domestically and internationally by delivering high-quality products.
In 2002, we received certification from the China Import and Export Product Quality Verification Center and obtained ISO 9001, ISO 2000, and IATF 16949 quality management system certifications. Our successful collaborations with renowned domestic and international enterprises have made us reliable and stable suppliers. Moreover , we have provided bearing components to well-known bearing manufacturers worldwide.

PRODUCT OVERVIEW

Bearing Number			Dimensions (mm)		Weight (KG)
New	Old
		d	D	B	Kg
71820	1036820	100	125	13	0.309
71821	1036821	105	130	13	0.505
71822	1036822	110	140	16	0.505
71824	1036824	120	150	16	0.568
71828	1036828	140	175	18	0.93
71832	1036832	160	200	20	1.32
71834	1036834	170	215	22	1.87
71836	1036836	180	215	22	2.45
71840M	1036840H	220	250	24	2.69
71844M	1036844H	260	270	24	2.68
71852M	1036852H	300	320	28	4.85
71860M	1036860H	320	380	38	11.1
71864M	1036864H	360	400	38	11.8
71872M	1036872H	380	440	38	20.5
71876M	1036876H	400	480	46	20.5
71880M	1036880H	440	500	46	21.7
71888M	1036888H	460	540	46	23.6
71892M	1036892H	100	580	56	33.5
71920CTA	1036920	105	140	20	0.016
71921CTA	1036921	110	145	20	0.016
71922CTA	1036922	120	150	20	0.016
71924C	1 0571 4	120	165	22	0.016
71924CM	BI036924	120	165	22	0.016
71924CTA	1036924	130	165	22	0.016
71926CTA	1036926	140	180	24	0.016
71928CTA	1036928	150	190	24	0.016
71930CTA	1036930	160	210	28	0.016
71932CTA	1036932	170	220	28	0.016
71934CTA	1036934	180	230	28	0.016
71936CM		180	250	33	5.29
71936CTA	1036936	190	250	33	5.29
71938CTA	1036938	190	260	33	5.29
71938AC	B1346938	200	260	66	5.29
71940CTA	1036940	260	280	38	5.29
71952B		260	360	46	5.29
71952AC		260	360	46	13.8
71952M/YA		280	360	46	13.8
71956AC		380	380	46	15.7
71976B			520	65	42.1

Angular Contact Ball Bearings can withstand both radial and axial loads. Can work at higher speeds. The larger the contact angle, the higher the axial load carrying capacity. The contact angle is the angle between the line connecting the contact point of the ball and the raceway in the radial plane and the vertical line of the bearing axis. High precision and high speed bearings typically take a 15 degree contact angle. Under the axial force, the contact angle will increase.

high precision paired angular contact ball bearings

Angular contact ball bearings have raceways on the inner and outer rings, and the inner and outer rings can be displaced relative to each other along the axial direction of the bearing. These bearings are particularly suitable for withstanding CZPT loads, ie loads acting simultaneously in both radial and axial directions. The axial load bearing capacity of the angular contact ball bearing increases as the contact angle α increases. The contact angle is the angle between the line connecting the contact point of the ball and the raceway in the radial plane and the vertical line of the bearing axis.

hhigh precision paired angular contact ball bearings

Detailed Photos

OUR PRODUCTS

SCOPE OF APPLICATION

PRODUCTION PROCESS

PRODUCT PACKAGING

1.industrial packing+industrial cartons+pallets

2.single brand box+brand cartons+pallets

3.follow customer’s requests

A.Plastic Tubes or Single Boxes ( Usually 10pcs in 1 plastic tube for steel bearings);

B.Cartons ( No more than 30kg for 1 carton );

C. Pallet ( Usually more than 400kg totally will use pallet )

D. Delivery time :7-35 days ( by sea or by air )

Generally,We will choose the most suitable packing method for products. If you have any special requirements for packing, please contact us in advance.

Company Profile

“Reliable quality, competitive prices, and excellent service” have always been our guiding principles. We have implemented a stringent quality control system, starting from raw material procurement to product manufacturing. Our company boasts a strong technical team, well-equipped testing facilities, and a robust ability to develop new products. With a commitment to delivering high-quality products and maintaining a good reputation, we aim to earn the trust of more customers.
ZheJiang Leicester Bearing Technology Co., Ltd. warmly welcomes both new and existing customers for discussions, guidance, and collaboration. We are eager to establish direct sales partnerships with businesses in various industries, both within the country and internationally.
As we embrace our dreams and uphold our values, honesty remains the foundation of our company. ZheJiang Leicester Bearing Technology Co., Ltd. looks forward to creating a bright future together with you!

OUR STRENGTHS

Q1: Can I get some samples?

A: Yes, sample order is available for quality check and market test. But you have to pay the sample cost and express cost. Q2

: Do you receive customized order?

A: Yes, ODM & OEM are welcomed.

Q3: What’s the lead time?

A: According to the order quantity, small order usually need 3-5 days, big order need negotiation.

Q4: What’s your payment terms?

A: We receive Escrow, T/T, West Union, Cash and etc.

Contact Angle:	15°
Aligning:	Non-Aligning Bearing
Separated:	Unseparated

Samples:	US$ 0.1/Piece 1 Piece(Min.Order) \| Order Sample

Customization:	Available \| Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

bushing

What you should know about bushings

If you are in the market for a casing, there are a few things you should know before buying. First, a bushing is a mechanical part with a rotating or sliding shaft part. You can find them in almost all industrial applications due to their excellent load-carrying capacity and anti-friction properties. They are especially important in construction, mining, agriculture, hydropower, material handling, and more.

Casing application

The casing market is mainly driven by the growth of the power generation industry. The increasing electrification of Asia Pacific and the deployment of renewable energy in countries such as Saudi Arabia and the UAE are driving the demand for distribution transformer bushings. In addition, the demand for bushings in Western Europe is also likely to increase with the spread of renewable energy and the installation of electric vehicle charging infrastructure. However, the market in Asia Pacific is expected to remain small compared to the rest of the world.
Although bushings are relatively expensive, they are very durable and cost-effective. Furthermore, bushings have a variety of applications, making them an important component in power transformers. For example, power transformers often use bushings to achieve relative movement by sliding or rolling. The vehicle suspension system also uses rubber bushings for a smooth ride and rotating bushings for machine-related operations. They require precision machined parts and are especially useful in applications where high loads and friction must be controlled. Also, plastic bushings are used for wheels in dry kilns, where lubrication is often troublesome.
Transformers require constant monitoring, which is one of the reasons bushings are so important in power transformers. Any failure of these components could result in the total loss of the transformer and all surrounding equipment. To maintain high system reliability, utilities must monitor insulation in and around bushings, especially if transformers have been in use for decades. Some utilities have made monitoring the condition of their transformers an important part of their smart grid plans.

Material

The core of the dry casing has many material interfaces. The discharge most likely originates near the edges of the foils and can cause electrical tree growth or breakdown between adjacent foils. Several studies have investigated interfacial effects in composite insulating materials and concluded that the conditions under which the interface occurs is a key factor in determining the growth of electrical trees. This study found that material type and interface conditions are the two most important factors for the growth of electrical trees.
Bushings can be made of many different materials, depending on their purpose. The main purpose of the bushing is to support the assembly while protecting it. They must be stiff enough to support the load placed on them, and flexible enough to protect the shaft. Since the shaft is usually not centered on the bushing during rotation, the bushing must be durable enough to carry the load while still protecting the shaft. Here are several materials used for bushings:
A stabilizer bar assembly is a good example of pre-assembly. This pre-assembly enables the vehicle assembly plant to receive components ready for vehicle assembly. The prior art requires the vehicle assembly plant to separate the bushing from the stabilizer bar. However, the present invention eliminates this step and provides a mechanically rigid stabilizer bar assembly. It is designed to prevent audible squeals and improve vehicle performance and handling.
Hardened steel bushings are ideal for pivot and low speed applications. They are made of high carbon steel and fully hardened to 56-62 HRC. Bronze bushings require daily or weekly lubrication but are more expensive than plastic bushings. Plastic bushings are low cost, low maintenance, self lubricating and do not require regular lubrication. These are also suitable for applications with hard to reach parts.
bushing

application

Bushings have many applications in various industries. Most of the time, it is used for drilling. Its excellent chemical and mechanical properties can be used to protect various equipment. These components are versatile and available in a variety of materials. All sleeves are packaged according to national and international standards. They are used in many industrial processes from construction to drilling. Some application examples are listed below.The component 10 may contain a tank for a liquid such as fuel, and the object 12 may be made of fiber reinforced composite material. Sleeve assembly 16 is configured to ground component 10 and object 12 . It may be a bulkhead isolator 40 used to isolate electrical charges in aircraft hydraulic lines. Bushing assembly 16 is one of many possible uses for the bushing assembly. The following examples illustrate various applications of bushing assemblies.
Bearings are devices used to reduce friction between moving surfaces. They are a good choice for many applications as they are maintenance free and extend the life of machine components. They can be used in a variety of applications and are often used with plastic and metal materials. For example, Daikin offers bronze and brass bushings. Bushings have many other uses, but they are most commonly used in machines, especially when used in low-load environments.
The most common application for bushings is drilling. Swivel bushings can be used in almost any drilling application. For more complex applications, CZPT’s engineering department can create special designs to your specifications. The applications of bushings in machining centers are endless. By providing a smooth, reliable interface, bushings are an excellent choice for precision machining. They can also provide current paths.

Cost

When you have a vehicle that needs a bushing replacement, you may be wondering about the cost of a bushing replacement. The fact is, the cost of a bushing replacement will vary widely, depending on the specific car model. Some cars cost as little as $5, while other vehicles can cost up to $300. The replacement of a control arm bushing may not cost that much, but it’s important to know that it’s a relatively expensive part to replace.
Most mechanics charge around $375 for a job that involves replacing the bushing in a control arm. However, this price range can vary significantly, depending on whether the mechanic uses OE or aftermarket parts. In any case, the cost of labor is typically included in the price. Some mechanics may even include a labor charge, which is an additional cost. In general, however, the cost of a control arm bushing replacement is comparable to the cost of replacing a single bushing.
Control arm bushings are made of two metal cylinders secured together by a thick layer of rubber. Over time, these parts can deteriorate due to accidents, potholes, and off-roading. For this reason, it is important to replace them as soon as possible. Bushing replacement can save you money in the long run, and it’s important to have your vehicle repaired as soon as possible. If your control arm bushing is showing signs of wear, you should have it replaced before it becomes completely useless.
If you have decided to replace your suspension bushing yourself, the cost will be considerably lower than you would spend on the replacement of other components. If you have a mechanically-inclined mechanic, you can do it yourself. The parts and labour are reasonably cheap, but the most expensive part is the labor. Because it requires disassembling the wheel and suspension and installing a new bushing, it is important to have a mechanic who has a good understanding of vehicle mechanicry. The cost for control arm bushing replacement is between $20 and $80 per bushing, and a set of four costs approximately $300.
bushing

Disambiguation

If you’ve come across a page containing information about Bushing, you may have been looking for more information. This disambiguation page lists publications about the person, but these have not been assigned to him. We encourage you to contact us if you know who the true author of these publications is. Nevertheless, if you’re searching for specific information about Bushing, we recommend you start with CZPT.

China Professional High Quality 7000c 2rz Angular Contact Ball Bearing 7000c 7000AC 7000b bearing distributors
editor by CX 2023-11-15

China Hot selling 7302c/7303c Angular Contact Ball Bearing for Machinery Part with Hot selling

Product Description

Angular contact ball bearings can withstand radial and axial loads. CZPT to operate at higher rotational speeds. Angular contact ball bearings include 3 types: 7000C, 7000AC, and 7000B. Single row angular contact ball bearings can be used for machine tool spindles, high-frequency motors, gas turbines, centrifugal separators, small car front wheels, booster pumps, drilling platforms, food machinery, and so on.

Product Feature:
1. Low friction coefficient, low noise, and low vibration.
2. High precision manufacturing process with high rotational speed.
3. Easy to install.
4. Low maintenance frequency and long service life.

Product details:
Open type:No seal and can directly see steel balls. Low noise, high speed, suitable for sealed. environments, such as gearbox.
Metal seal:The sealing material is stainless steel, which can effectively prevent foreign matter and debris from entering the bearing and causing internal damage to the bearing.
Rubber seal:Excellent dust proof and waterproof effect. Suitable for using in harsh environmen.

Product parameters

Bearing No.	Shape Dimension(mm)			(KN) Basic rated load		Max Speed(rpm)		Weight(Kg)
	d	D	B	Cr	Cor	Grease	oil
Single row angular contact ball bearing
7200C	10	30	9	5.8	2.90	22000	28000	0.032
7200AC	10	30	9	5.5	2.80	22000	28000	0.032
7200B	10	30	9	5.3	2.70	19000	27000	0.03
7300C	10	35	11	9.8	4.69	18000	26000	0.053
7300AC	10	35	11	9.5	4.40	18000	26000	0.053
7201C	12	32	10	7.90	3.80	20000	25000	0.037
7201AC	12	32	10	7.6	3.60	20000	25000	0.037
7201B	12	32	10	6.90	3.20	18000	24000	0.036
7301C	12	37	12	11.8	5.60	17000	24000	0.060
7301AC	12	37	12	11.50	5.40	17000	24000	0.060
7301B	12	37	12	10.5	4.90	16000	22000	0.060
7202C	15	35	11	9.2	4.90	17000	22000	0.045
7202AC	15	35	11	8.90	4.80	17000	22000	0.045
7202B	15	35	11	7.9	4.20	16000	22000	0.045
7302C	15	42	13	13.2	6.70	15000	21000	0.084
7302AC	15	42	13	12.5	6.20	15000	21000	0.084
7302B	15	42	13	12.4	6.50	14000	19000	0.080
7203C	17	40	12	10.8	5.80	15000	20000	0.062
7203AC	17	40	12	10.4	5.60	15000	20000	0.062
7203B	17	40	12	9.9	5.50	14000	19000	0.065
7303C	17	47	14	15.7	8.20	13000	19000	0.110
7303AC	17	47	14	15.0	7.70	13000	19000	0.110
7303B	17	47	14	15.4	8.10	13000	17000	0.110
7204C	20	47	14	14.5	8.10	13000	18000	0.100
7204AC	20	47	14	14.0	7.80	13000	18000	0.100
7204B	20	47	14	13.4	7.60	12000	16000	0.110
7304C	20	52	15	18.4	9.80	12000	17000	0.150
7304AC	20	52	15	17.9	9.60	12000	17000	0.150
7304B	20	52	15	17.3	9.6000	11000	15000	0.140
7205C	25	52	15	16.5	10.00	11000	16000	0.120
7205AC	25	52	15	15.8	9.70	11000	16000	0.120
7205B	25	52	15	14.8	9.30	10000	14000	0.130
7305C	25	62	17	27.8	15.90	9500	14000	0.230
7305AC	25	62	17	27.0	15.90	9500	14000	0.230
7305B	25	62	17	24.3	14.10	9000	13000	0.230
7206C	30	62	16	23.0	14.70	9000	13000	0.190
7206AC	30	62	16	22.1	13.50	9000	13000	0.190
7206B	30	62	16	20.5	13.50	8500	12000	0.200
7306C	30	72	19	33.2	21.20	8500	12000	0.350
7306AC	30	72	19	32.8	20.40	8500	12000	0.350
7306B	30	72	19	29.3	18.10	8000	11000	0.340
7207C	35	72	17	30.3	20.00	8000	11000	0.280
7207AC	35	72	17	29.2	18.00	8000	11000	0.280
7207B	35	72	17	28.3	14.80	7500	10000	0.280
7307C	35	80	21	40.3	25.80	7500	10000	0.470
7307AC	35	80	21	38.2	24.90	7500	10000	0.470
7307B	35	80	21	38.3	24.40	7000	9500	0.450
7208C	40	80	18	38.4	26.30	7500	10000	0.370
7208AC	40	80	18	36.8	25.40	7500	10000	0.370
7208B	40	80	18	34.5	23.80	6700	9000	0.420
7308C	40	90	23	49.3	32.30	6700	9000	0.660
7308AC	40	90	23	47.0	31.10	6700	9000	0.660
7308B	40	90	23	46.5	29.50	6300	8500	0.630
7209C	45	85	19	40.4	29.30	6700	9000	0.410
7209AC	45	85	19	38.6	28.10	6700	9000	0.410
7209B	45	85	19	34.0	24.60	6300	8500	0.420
7309C	45	100	25	63.1	42.90	6000	8000	0.860
7309AC	45	100	25	61.6	41.20	6000	8000	0.860
7309B	45	100	25	59.6	39.60	5600	7500	0.850
7210C	50	90	20	42.80	31.30	6300	8500	0.460
7210AC	50	90	20	40.8	30.10	6300	8500	0.460
7210B	50	90	20	40.4	25.60	5600	8000	0.470
7310C	50	110	27	74.9	50.90	5600	7500	1.080
7310AC	50	110	27	71.9	48.50	5000	7500	1.080
7310B	50	110	27	68.1	48.00	5600	6700	1.100
7211C	55	100	21	53.2	39.90	5600	7000	0.610
7211AC	55	100	21	50.8	38.20	5600	7000	0.610
7211B	55	100	21	46.3	36.00	5300	7000	0.620
7311C	55	120	29	86.4	59.50	5000	6700	1.420
7311AC	55	120	29	83.4	58.00	5000	3700	1.420
7311B	55	120	29	82.2	56.20	4500	6300	1.400
7212C	60	110	22	61.0	48.20	5300	7000	0.800
7212AC	60	110	22	58.1	46.00	5300	7000	0.800
7212B	60	110	22	56.1	44.30	4800	6300	0.800
7312C	60	130	31	98.6	68.50	4800	6300	1.710
7312AC	60	130	31	95.2	67.20	4800	6300	1.710
7312B	60	130	31	91.5	65.40	4300	5600	1.750
7213C	65	120	23	69.8	54.50	4800	6300	1.000
7213AC	65	120	23	66.6	52.10	4800	6300	1.000
7213B	65	120	23	65.7	50.20	4300	6000	1.000
7313C	65	140	33	113.1	79.60	4300	5600	2.230
7313AC	65	140	33	109.3	78.30	4300	5600	2.230
7313B	65	140	33	102.3	75.30	3800	5300	2.150
7214C	70	125	24	72.8	59.70	4500	5800	1.100
7214AC	70	125	24	69.4	57.00	4500	5800	1.100
7214B	70	125	24	70.4	56.30	4000	5600	1.100
7314C	70	150	35	126.0	91.60	4000	5300	2.670
7314AC	70	150	35	118.8	88.20	4000	5300	2.670
7314B	70	150	35	114.6	85.90	3600	5000	2.650
7215C	75	130	25	79.2	65.60	4300	5600	1.200
7215AC	75	130	25	75.3	62.80	4300	5600	1.200
7215B	75	130	25	68.6	58.20	3800	5300	1.200
7315C	75	160	37	140.7	103.90	3800	5000	3.100
7315AC	75	160	37	134.4	99.80	3800	5000	3.100
7315B	75	160	37	127.7	95.40	3400	4800	3.200
7216C	80	140	26	92.5	66.20	4000	5300	1.450
7216AC	80	140	26	91.3	65.10	4000	5300	1.450
7216B	80	140	26	78.7	65.70	4000	5300	1.450
7316C	80	170	39	156.1	112.20	3600	4800	3.600
7316AC	80	170	39	149.5	107.70	3600	4800	3.600
7316B	80	170	39	141.4	107.90	3200	4800	3.800
7217C	85	150	28	99.7	84.60	3800	5000	1.800
7217AC	85	150	28	94.9	80.80	3800	5000	1.800
7217B	85	150	28	83.2	74.10	3600	5000	1.850
7317C	85	180	41	160.7	130.50	3400	4500	4.380
7317AC	85	180	41	154.3	122.30	3400	4500	4.380
7317B	85	180	41	155.8	120.90	3000	4000	4.450

Our Advantages
1. Professional suppliers. We are 1 of the largest bearing suppliers in China. In addition to the products produced by our own factory, we also have a stable product supply chain to provide all types of bearings.
2. Quality assurance. We produce and provide industry standard bearings with high-precision manufacturing processes, and can customize bearings according to customer needs.
3. Professional team. In terms of production research, we have sufficient technical talents to support the product production line and ensure product quality; In terms of sales, we have professional and enthusiastic service personnel to ensure the sales and after-sales service of our products, and to ensure the stability and durability of our cooperative relationship.
4. Fast delivery. Our factory has professional and responsible production staff who can provide the shortest delivery time that customers are satisfied with.
Packaging and shipping

Packaging	1)Original package 2) Single box + outer carton 3)Tube package + outer carton 4)Customized according to customer needs
Shipping	1)Ocean shipping 2)Air transport 3)Select according to customer needs

Company Profile

Our company’s leading products include Deep Groove Ball Bearing, tapered roller bearings, external spherical bearings, self-aligning ball bearings, self-aligning roller bearings, cylindrical roller bearings, thrust ball bearings and automobile non-standard bearings, stainless steel bearings, various needle bearings, inch bearings, non-standard bearings, special bearings and other series of varieties, as well as world famous brand imported bearing products.

With the advantages of reasonable price, excellent quality, and short delivery time, the company’s products have been exported to more than 50 countries and regions in the world, such as Europe, the Americas, Australia, and Africa. In addition to having its own production base, the company also has more than 500 cooperative factories to meet the various needs of different customers.

Our factory and productions

DNT Bearing is a comprehensive bearing manufacturing and service provider with world leading bearing manufacturing processes and management technologies in China. We sell a variety of bearing products with international standards and technical levels of low noise, high load, high accuracy, and long service life. We have cooperation with many internationally renowned bearing enterprises, welcome to consult!

FAQ

1.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise and longer service life.
2.Are you a Manufacturer or trading company?
We are professional manufactuer of bearings with ISO standards.
3.Can I get a sample to check out the quality?
Sure, free samples are available for stock products if you can pay for the shipping cost.
4.Can you do OEM to print my logo/brand on the products?
Yes, we can print your logo/brand on the products, you just need to send us your logo/brand files, we will show you how it looks like.We can also make custom package to your request.
5.How soon can I expect my order to be finished?
We have regular stock for standard bearings that can be shipped right after your payment. It will take 15-60 days for new production order,which depends on your order quantity.
6.What if I receive defective products for my order?
All our bearings are 100% inspected strictly before packing. If any defective products received, please provide photos and video to show us the problem and help us improve the quality. New products will be sent to you as replacement if the probelm is product quality.

Contact Angle:	15°/25°/45°
Aligning:	Non-Aligning Bearing
Separated:	Unseparated

Samples:	US$ 2.99/Piece 1 Piece(Min.Order) \| Order Sample Chrome Steel

Customization:	Available \| Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

ball bearing

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?

Unusual Noise:

Vibration:

Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.

Increased Temperature:

Irregular Movement:

If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.

Reduced Performance:

Visible Wear or Damage:

Leakage or Contamination:

If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.

Looseness or Excessive Play:

If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.

Reduced Lifespan:

If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.

Frequent Failures:

If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.

ball bearing

What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?

Effective Sealing:

Clean Environment:

Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.

Proper Handling:

Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.

Clean Tools and Equipment:

Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.

Contamination-Controlled Workstations:

Proper Lubrication:

Regular Inspections:

Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.

Training and Education:

Environmental Controls:

In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.

Regular Cleaning and Maintenance:

Selection of Suitable Bearings:

ball bearing

What are the Different Components that Make up a Typical Ball Bearing?

A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:

Outer Ring:

The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.

Inner Ring:

The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.

Balls:

The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.

Cage or Retainer:

The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.

Seals and Shields:

Lubricant:

Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.

Flanges and Snap Rings:

In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.

Raceways:

Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.

Anti-Friction Shield:

In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.

China Hot selling 7302c/7303c Angular Contact Ball Bearing for Machinery Part with Hot selling
editor by CX 2023-11-13