China Standard Great Rigidity Long Life Single Row Angular Contact Ball Bearing bearing engineering

Product Description

 

Features

High limit speed, suitable for high speed occasions;
The rigidity of the bearing can be improved by preload;
Provide a variety of assembly forms, easy to use.

Product Description

Angular contact ball bearings are named because the contact surface between the ball and the inner and outer rings of an angular contact ball bearing is in the form of an included angle.The lock of this kind of bearing is on the outer ring, and generally the inner and outer rings cannot be separated.

 

Single row angular contact ball bearings can only withstand axial loads acting in 1 direction. When subjected to purely radial loads, these bearings must be installed in pairs.
Double row angular contact ball bearings are equivalent to a pair of single row angular contact ball bearings mounted back to back, but takes up relatively less axial space.  The type of this bearing can withstand axial and radial loads in 2 directions, and can limit the axial displacement in the 2 raceway directions of the shaft and the housing. Its contact angle is 30°.

Main applications:
Machine tool spindle, high frequency motor, gas turbine, centrifugal separator, small car front wheel, differential pinion shaft, booster pump, drilling platform, food machinery, inHangZhou head, repair welding machine, low noise cooling tower, electrical equipment, painting equipment, machine tool slot plate, arc welding machine.
 

Product Parameters

We can provide 73, 72, 70, 53, 52 series model.
The blow is 73 series.
 

Product Number Bore Dia
(d)mm
Outer Dia
(D)mm
Width
(B)mm
Dynamic Load Rating
(Cr) (kN)
Static Load Rating
(Cor) (kN)
7300 10 35 11 10.1 4.95
7301 12 37 12 11.2 5.25
7302 15 42 13 13.5 7.2
7303 17 47 14 15.9 8.65
7304 20 52 15 18.7 10.6
7305 25 62 17 26.4 15.8
7306 30 72 19 33.5 22.3
7307 35 80 21 40 26.3
7308 40 90 23 49 33
7309 45 100 25 63.5 44
7310 50 110 27 74 52
7311 55 120 29 86 61.5
7312 60 130 31 98 71.5
7313 65 140 33 111 82
7314 70 150 35 125 93.5
7315 75 160 37 136 106
7316 80 170 39 147 119
7317 85 180 41 159 133
7318 90 190 43 171 147
7319 95 200 45 183 162
7320 100 215 47 207 193
7321 105 225 49 220 210
7322 110 240 50 246 246
7324 120 260 55 246 252
7326 130 280 58 273 293
7328 140 300 62 300 335
7330 150 320 65 330 380
7332 160 340 68 345 420
7334 170 360 72 390 485
7336 180 380 75 410 535
7338 190 400 78 430 585
7340 200 420 80 450 605

This parameter table is not complete, please contact us for details.

Company Profile

ZheJiang CZPT Machinery Co., Ltd, Xihu (West Lake) Dis. High-precision Bearings Co., Ltd belongs to CZPT group. It is located in Industrial Development Zone of Liao-cheng city, which is bearings manufacturing base in China. We have been specialized in the production of auto parts, bearings and retainers since year 1986.

Our factory covers an area of 120,000 sq.m, with a construction area of 66,000 sq.m. There are more than 600 employees, 50 management personnel, 80 technical engineers and 60 quality inspectors. We are famous manufacturer group for our strict quality control system and hard-working team.

There are more than 40 sets of high-precision mold processing equipment, 150 sets of various CNC lathes, 200 sets of white dynamic grinding machines, 120 sets of stamping equipment, 16 sets of special demagnetization machines, 10 sets of high-pressure spray cleaning machines, 6 sets ultrasonic cleaning machines and 6 automatic bearing grinding lines. They are also equipped with advanced hardness tester, length measuring instrument, sine instrument, spectrometer, infrared carbon and sulfur analyzer, CZPT hardness tester, roughness profiler, electronic tensile testing machine, metallographic microscope, projection coordinate instrument, roundness instrument, ABLT-2 life testing machine, three-coordinate testing machine and so on. We are ready to provide customers with high-quality precision bearing products.

Our company passed ISO9001, ISO/TS16949 and IATF16949 quality management system. Our products are CE / SGS certified. Through introducing world-leading technology and bring together domestic high-tech talents, it ensures our rapid growth and competitive advantages.

Sincerely wish you visit our factory!

FAQ

Q1: Do you provide samples? Is it free or extra?

Yes, we can provide a small amount of free samples. Do you mind paying the freight?

Q2: Can you accept OEM or non-standard Bearings ?

Any requirement for non-standard roller bearings is easily fulfilled by us due to our engineers’ rich experience.

Q3: What is your latest delivery time?

Most orders will be shipped within 7-15 days of payment  received.

Q4:Does your company have quality assurance?

Yes, for 2 years.

Q5:Which payment method does your company support?

T/T is best, but we can also accept L/C.

Q6:How to contact us quickly?

Please send us an inquiry or message and leave your other contact information, such as phone number,   or account, we will contact you as soon as possible and provide the detailed information.
 

 

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Contact Angle: 15°
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Samples:
US$ 2/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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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

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 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 Standard Great Rigidity Long Life Single Row Angular Contact Ball Bearing   bearing engineeringChina Standard Great Rigidity Long Life Single Row Angular Contact Ball Bearing   bearing engineering
editor by CX 2024-05-02

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