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China supplier 7020c/AC/B High-Speed Angular Contact Ball Bearings 17*30*7mm P6/P5/P4/P2 Used in Machine Tool Spindles High Frequency Motors, Gas Turbines 718/719/70/72series bearing assembly

Product Description

Angular Contact Bearing

This type of bearing is used to bear heavier radial-axial combined loads with limit rotational speeds higher. The bearings are mainly applied to the construction parts that limit axial displacement of the axis or housing in double directions.
The bearing is used with 4 row cylindrical roller bearings limiting the axial motion of roll in rolling mill the axial load capactiy is heavier than four-point contact ball ebearings incomparison with paiy mounted in back-to-back, face-to-face arvangements single row angular contact ball bearings units, the axial clearance of the bearing doesn’t need adjustment, these bearings can be mounted with ease and there can be 2 types: 2 half-outer-rings and 2 half-inner-rings according to the installation need of customers.

Product description
Model: Angular contact ball bearings (7571AC)

Brand: AUTO
Series: Angular contact ball bearings, single row, no seals
Shape size

d:  100

D:  150

B:  24


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.


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


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.

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Contact Angle: 15°/25°/40°
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Axial Bearing
Material: Bearing Steel


Customized Request

ball bearing

Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?

Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:

  • Regular Lubrication:

Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.

  • Clean Environment:

Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.

  • Proper Installation:

Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.

  • Regular Inspections:

Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.

  • Temperature Monitoring:

Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.

  • Correct Handling:

Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.

  • Bearing Removal and Replacement:

Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.

  • Alignment Maintenance:

Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.

  • Training and Education:

Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.

  • Documented Records:

Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.

By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.

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

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 supplier 7020c/AC/B High-Speed Angular Contact Ball Bearings 17*30*7mm P6/P5/P4/P2 Used in Machine Tool Spindles High Frequency Motors, Gas Turbines 718/719/70/72series   bearing assemblyChina supplier 7020c/AC/B High-Speed Angular Contact Ball Bearings 17*30*7mm P6/P5/P4/P2 Used in Machine Tool Spindles High Frequency Motors, Gas Turbines 718/719/70/72series   bearing assembly
editor by CX 2024-05-17

in Gold Coast Australia sales price shop near me near me shop factory supplier Multi Used 15-220rpm Electrical DC Geared Motor for Welding Machine manufacturer best Cost Custom Cheap wholesaler

  in Gold Coast Australia  sales   price   shop   near me   near me shop   factory   supplier Multi Used 15-220rpm Electrical DC Geared Motor for Welding Machine manufacturer   best   Cost   Custom   Cheap   wholesaler

The group has taken component in the producing and revising of ISO/TC100 worldwide chain normal several many years in success and hosted the sixteenth ISO/TC100 Global annual assembly in 2004. If you are fascinated in any of our products or would like to discuss a prospective order, remember to truly feel cost-free to get in touch with us. Furthermore, WE CAN Create Customized VARIATORS, GEARED MOTORS, Electric powered MOTORS AND OTHER HYDRAULIC Products According TO CUSTOMERS’ DRAWINGS. twenty-200RPM one-40Nm lower velocity dc equipment motor

one. Stator dimension is optional
2. Safe, trustworthy, minimal sounds, excellent commencing, EPT lifestyle
3. Powerful EPT

Common utilised:
motor is broadly usedn in home appliances as Window EPT, open up the doorway EPT, micro-hoist

Motor characteristic
Goods code Voltage(V) EPT(W) No load Load Gear Ratio Motor length(mm)
Pace(RPM) Present(A) Pace(RPM) Present(A) Torque(N.M)
D63L/R-1230-one hundred thirty 24 30 a hundred thirty plusmn5 le1. 110 plusmn5 le3.5 ge3.3 1:20 le60
D63L/R-1230-a hundred and fifty 24 thirty 150 plusmn5 le1.two a hundred thirty plusmn5 le4.five ge4.5 1:twenty le60
D63L/R-2430-180 24 30 180 plusmn5 le1.five one hundred fifty plusmn5 le6.5 ge6. one:twenty le60
D63L/R-2445-150 24 45 one hundred fifty plusmn5 le1. a hundred thirty plusmn5 le3.5 ge3.3 one:twenty le60
D63L/R-4245-180 24 45 a hundred and eighty plusmn5 le1.two a hundred and fifty plusmn5 le4.five ge4.five one:20 le60
D63L/R-4245-210 24 45 210 plusmn5 le1.5 180 plusmn5 le6.five ge6. one:20 le60
D63L/R-4868-150 24 65 one hundred fifty plusmn5 le1. 130 plusmn5 le3.five ge3.three one:20 le60
D63L/R-2465-a hundred and eighty 24 65 a hundred and eighty plusmn5 le1.two a hundred and fifty plusmn5 le4.five ge4.5 1:twenty le60
D63L/R-2465-210 24 65 210 plusmn5 le1.five a hundred and eighty plusmn5 le6.5 ge6. one:twenty le60
D63L/R-2480-seventy five 24 eighty seventy five plusmn3 le1.2 70 plusmn5 le4.five ge5. 1:sixty le60
D63L/R-2480-65 24 eighty sixty five plusmn3 le1.2 sixty plusmn5 le4.five ge5. 1:60 le60
D63L/R-1280-75 twelve eighty seventy five plusmn3 le1.two sixty five plusmn5 le6.5 ge4. one:sixty le60
D63L/R-1280-sixty five 12 80 65 plusmn3 le1.2 fifty five plusmn5 le6.five ge4. 1:60 le60
D63L/R-1280-forty five 12 eighty forty five plusmn3 le1.2 40 plusmn5 le6.5 ge4. one:seventy five le60
D59L/R-24100-35 24 one hundred 35 plusmn3 le1.2 thirty plusmn5 le6.five ge4. one:seventy five le60
Recognize The parameters of the motors over are for your reference, we can design and style and manufacture in accordance to your
needed like voltage,EPT,velocity,torque and dimensions
Voltage: le48VDC EPT: le80W Output Speed: le220RPM
Pace sensor: hall sensor, encoder, opto sensor
Application: welding EPT,electrical EPT,diamond EPTy,business office EPT enquipment,hotel EPT,
automated and so on. There are a lot of varieties of gear ratio for your desire

Design VOLT EPT Totally free Velocity Free of charge Current
D49R 24V 30W a hundred and eighty plusmn5RPM lt0.65A
D76R 12V 70W eighty plusmn8RPM lt0.65A
D63R 12V 70W 65 plusmn6RPM lt0.65A

Ritscher team was estabEPTd in 2006.we alwaEPTfocus on micro-motors for EPT and EPT electrical equipment.Presently, we have skilled micro-motor factories separatlly positioned in ZheJiang amp EPT province.It has 50,000 square meters EPTs and far more than five hundred employees, annual output is five million pcs and has 10 million pcs yearly creating capability.After several years deveXiHu (West Lake) Dis.Hu (West Lake) Dis.ment,we constructed a wonderful reputation in the domestic and oversea market place and have the EPT from our EPT clients.
We started our business from shaded pole motors, following 10 a long time deveXiHu (West Lake) Dis.Hu (West Lake) Dis.ment,our products is enlarged to EPTLDC motors ,capacitor motors ,synchronous motors,stepping motors,servo motors, and PMDC motors.Our goods are widely used for creating refrigerators, freezers, micro-wave ovens, air warmers, air exhausters, ventilators,ovens, air filter, massage EPTs and numerous other equipments.
To design and style the lastest EPT motors and meet our customers requirments,we have the really capable R ampD crew,to make sure our goods good quality ,we have very strict handle method for our manufacturing division amp QC section,to make our cost reduced,we have the quite professional purchase office, We dedicate to make each and every particulars far better than we could do.
To offer fast and much better services to our consumers in Australia and EPT Zeland,we established up department business office in Australia because 2017 with exprienced consultant to assist the organization ,which will provide a lot more clients to get know of us.
We will keep undertaking our work,move EPT action by step to make our business area wiEPTand brighter.

Our company FAQ for you

(1) Q: What kind motors you can offer?
A:For now,we largely offer Kitchen area Hood Motor,DC Motor,Gear Motor,Supporter Motor Fridge Motor,Hair Dryer Motor EPTlenEPTMotor Mixer Motor,
Shade Pole Motor,Capacitor Motor,EPTLDC Motor PMDC Motor,Synchronous Motor,Stepping Motor and so on.

(2) Q: Is it feasible to go to your manufacturing unit
A: Sure. EPTut make sure you kindly hold us posted a few daEPTEPT. We require to verify our
plan to see if we are obtainable then.

(three) Q: Can I get some samples
A: It relies upon. If only a number of samples for individual use or alternative, I am concerned it will
be challenging for us to give, since all of our motors are EPT and no stock
available if there is no more demands. If just sample tests ahead of the formal orEPTand
our MOQ, price and other terms are suitable, we would adore to supply samples.

(four) Q: Is there a MOQ for your motors?
A: Sure. The MOQ is amongst one thousand~10,000pcs for diverse versions following sample approval.
EPTut it truly is also all right for us to take more compact tons like a couple of dozens, hundreds or hundreds
For the original three orders right after sample approval.For samples, there is no MOQ necessity. EPTut the considerably less the far better (like no a lot more than 5pcs) on condition that the amount is ample in situation any changes essential right after initial tests.

  in Gold Coast Australia  sales   price   shop   near me   near me shop   factory   supplier Multi Used 15-220rpm Electrical DC Geared Motor for Welding Machine manufacturer   best   Cost   Custom   Cheap   wholesaler

  in Gold Coast Australia  sales   price   shop   near me   near me shop   factory   supplier Multi Used 15-220rpm Electrical DC Geared Motor for Welding Machine manufacturer   best   Cost   Custom   Cheap   wholesaler