Tag Archives: contact bearing

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.

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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)

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Request Sample

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

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?

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 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   wholesalerChina 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

 
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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)

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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

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

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 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 sellingChina 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?

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

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

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 Standard Open Type Constant Cross Section Angular Contact Ball Bearings Kf065ar0 Kf070ar0 Kf075ar0   bearing airChina 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) 45
Arrangements SU / DU / DB / DT / DF
Preload
Accuracy P4
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?

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 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

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 bearingChina 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

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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 distributorsChina 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

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

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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?

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

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

China Best Sales Manufacturing Customization of Angular Contact Ball Bearing Taper Roller Bearing bearing bronze

Product Description

Product Parameters

Model Number

Basic Size (mm)

Installation Dimension(mm)

Weight

d

D

B

r

da min

Da max

ras max

(g)

6204

20

47

14

1

26

41

1

106

6206

30

62

16

1

36

56

1

199

6210

50

90

20

1.1

57

83

1

463

6214

70

125

24

1.5

79

116

1.5

1084

6304

20

52

15

1.1

27

45

1

142

6308

40

90

23

1.5

49

81

1.5

639

6314

70

150

35

2.1

82

138

2.1

2550

6408

40

110

27

2

50

100

2

1221

The above models, are only show some products, only for your reference.
If you are interested in other models, please send inquiry to us. Sincerely at your service. 

Detailed Photos

Certifications

 

 

 

Company Profile

 

Our Clients

 

Our Advantages

HangZhou strong yu Import and Export Co., Ltd. is located in Xihu (West Lake) Dis. City, ZheJiang Province. We have got the advantages of predominant environment and convenient transportation. Our company is 15 km away from ZheJiang -Kowloon Railway in the east, and only 100 km away from ZheJiang Port. More importantly, we are adjacent to Pangkou, China’s largest agricultural machinery accessories market, which allows us to quickly obtain various products at low prices and high quality. 
HangZhou strong yu is a diversified enterprise integrating agency, sales, service and after-sales service. We has self-operation Import and Export Right! We have our own brand, and have also established cooperative relations with most famous brand manufacturers in China.
Our company is a leading supplier of more than 2000 kinds of spare parts, including nozzle, plunger, fuel pump, injector, piston, cylinder liner, valve, oil pump, sump, crankshaft, connecting rod, cylinder head, etc. Meanwhile, our products sell well in more than 20 countries and regions in Southeast Asia, the Middle East and Africa, such as India, Bangladesh, Vietnam, Malaysia, Myanmar, Pakistan, Uganda, Somalia, etc., and enjoy a high reputation internationally!
After years of development, the company has explored the management policy of “facing farmers, serving farmers, and making farmers more satisfied with farming”. 
Through the Internet platform, we hope to get more opportunities to communicate and cooperate with agricultural machinery salesmen and agricultural machinery product agents in different countries. Let’s join hands to create a better future.

FAQ

Q:HOW TO ORDER?
A: Step 1: Please tell us what model and quantity you need.
      Step 2: then we will make a Pl for you to confirm the order details.
      Step 3: when we confirmed everything,can arrange the payment.
      Step 4: finally we deliver the goods within the stipulated time.
Q:WHAT ARE YOUR PAYMENT TERMS?
A: T/T 30% deposit, 70% balance should be paid against the B/L copy. D/P for regular good reputation customers. Paypal is accepted for 1 set, but please discuss to our sales staff first. Ps: If you have any other needs, please contact the sales staff.
Q:IS IT ALRIGHT TO MAKE CUSTOMER’S OWN BRAND NAME?
A: Of course, as long as you authorize us to use your brand on your behalf.We have over 3 years OEM/ODM experience. We could also customize product label packing as your requirements.
Q:IS THERE A WARRANTY PERIOD?
A: 6 months warranty.
Q:DO YOU PROVIDE SAMPLE SERVICE?
A: Yes, we’re pleasure for you to choose our products to test product quality and service. But the express fee will be paid by you.
Q:TRANSPORTATION
A: Transported by DHL UPS, EMS, Fedex, Air freight, Sea freight.
Q:WHY CHOOSE US?
A: As a good supplies, we have good relationship with our customers, we have good reputation because of the good quality, stable price and good se

Shipping Cost:

Estimated freight per unit.



To be negotiated
Certification: ISO9001
Standard Component: Standard Component
Technics: Casting
Samples:
US$ 15/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

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 betball 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.

ter 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 rball 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.

ings 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 Best Sales Manufacturing Customization of Angular Contact Ball Bearing Taper Roller Bearing   bearing bronzeChina Best Sales Manufacturing Customization of Angular Contact Ball Bearing Taper Roller Bearing   bearing bronze
editor by CX 2023-08-22

China factory Ceramic/Needle/Pillow Block/Auto/Deep Groove/Angular Contact Ball/Spherical/Taperd Roller/Cylindrical Roller/Linear/Wheel Bearings Rtb/Timken/FAG/INA/NSK 32008X double row ball bearing

Product Description

Main Dimensions & Performance Data(32008)
d Bore diameter 40mm
D Outside diameter 68mm
T Total bearing width 19 mm
rmin Minimum chamfer dimension 1.1mm
d1 Inner ring shoulder diameter 54.7 mm
B Width inner ring 19 mm
C Width outer ring 14.5 mm
Cr Basic dynamic load rating, radial 51800 N
C0r Basic static load rating, radial 71000 N
Cur Fatigue load limit, radial 2000 N
nG Limiting speed 5300 r/min
nϑr Reference speed 6700 r/min
Weight 0.28kg
da min Minimum diameter shaft shoulder 60mm
Da max Maximum diameter of housing shoulder 61.5 mm
ra max Maximum fillet radius 1 mm
Other Details
1) Package: carton /box packaging

Tapered roller bearing
These bearings are capable of taking high radial loads and axial loads in 1 direction. In the HR series, the rollers are increased in both size and number giving it an even higher load capacity. They are generally mounted in pairs in a manner similar to single-row angular contact ball bearings. In this case, the proper internal clearance can be obtained by adjusting the axial distance between the cones or cups of the 2 opposed bearings.

Model Size Rated dynamic load (KN) Rated static load (KN) Weight                (kg)
(mm)
d D T
32007 35 62 18 43.2 59.2 0.224
32008 40 68 19 51.9 71.1 0.268
32009 45 75 20 58.4 81.4 0.339
32571 50 80 20 61.1 89 0.367
32011 55 90 23 80.2 117.2 0.564
32012 60 95 23 81.7 122.2 0.597
32013 65 100 23 82.8 127.3 0.628
32014 70 110 25 104.3 160.1 0.838
32015 75 115 25 103.1 160.2 0.875
32016 80 125 29 141 220 1.27
32017 85 130 29 139.8 220.3 1.33
32018 90 140 32 171.3 271 1.77
32019 95 145 32 174.6 281.3 1.796
32571 100 150 32 173.1 281.7 1.91
32571 105 160 35 205. 4 335.8 2.4
32571 110 170 38 245.7 403.4 3.02
32571 120 180 38 242.1 404.4 3.18
32026 130 200 45 333.7 567.1 4.94
32571 140 210 45 329.8  567.8 5.15
32030 150 225 48 367.6 635.8 6.25
32032 160 240 51 419.6 734.5 7.66
32207 35 72 24.25 70.6 89.5 0.426
32208 40 80 24.75 77.9 97.2 0.529
32209 45 85 24.75 80.7 104 0.587
32210 50 90 24.75 82.8 107.6 0.654
32211 55 100 26.75 108 142.3 0.881
32212 60 110 29.75 132.8 179.6 1.17
32213 65 120 32.75 160.9 221.7 1.58
32214 70 125 33.25 168.5 237.1 1.66
32215 75 130 33.25 170.3 242.1 1.76
32216 80 140 35.25 198.1 279 2.19
32217 85 150 38.5 226.7 324 2.7
32218 90 160 42.5 269.8 395.5 3.61
32219 95 170 45.5 302.5 448.4 4.34
32220 100 180 49 341 512 5.31
32221 105 190 53 342 517 6.37
32222 110 200 56 388 590 7.45
32224 120 215 61.5 420 610 9.04
32226 130 230 67.75 551.7 888.7 11.377
32228 140 250 71.75 643.7 1049.3 14.413
32307 35 80 32.75 99 118.3 0.766
32308 40 90 35.25 115.7 147.8 1
32309 45 100 38.25 145.3 189.4 1.41
32310 50 110 42.25 177.5 236.1 1.9
32311 55 120 45.5 203.1 271.4 2.33
32312 60 130 48.5 226.7 303 2.96
32313 65 140 51 259.6 349.8 3.53
32314 70 150 54 298.9 408.5 4.41
32315 75 160 58 347.4 483.1 5.27
32316 80 170 61.5 387.9 543.1 6.43
32317 85 180 63.5 421.8 592.8 7.31
32318 90 190 67.5 478.2 693.3 8.81
32319 95 200 71.5 516.1 737.7 10.1
32320 100 215 77.5 600.1 872.2 13
35717 35 72 18.25 54.2 63.5 0.333
35718 40 80 19.75 63 74 0.431
35719 45 85 20.75 67.9 83.6 0.474
35710 50 90 21.75 73.3 92.1 0.529
35711 55 100 22.75 90.8 113.7 0.713
35712 60 110 23.75 103.3 130 0.923
35713 65 120 24.75 120.6 152.6 1.58
35714 70 125 26.25 132.3 173.6 1.29
35715 75 130 27.25 138.4 185.4 1.4
35716 80 140 28.25 160.4 212.8 1.56
35717 85 150 30.5 177.6 236.8 2.06
35718 90 160 32.5 200.1 269.6 2.54
35719 95 170 34.5 226.6 309 3.04
35710 100 180 37 253.9 350.3 3.72
35711 105 190 39 285.3 398.6 4.38
35712 110 200 41 314.9 443.6 5.21
35714 120 215 43.5 337.4 483.3 6.2
35716 130 230 43.75 366 521.4 6.94
35718 140 250 45.75 409.2 584.7 8.73
35710 150 270 49 451.2 645.9 10.8
30306 30 72 20.75 59.6 60.1 0.389
30307 35 80 22.75 75.3 82.6 0.515
30308 40 90 25.25 80.5 90.2 0.761
30309 45 100 27.25 113 128 0.984
3571 50 110 29.25 145.3 189 1.26
3571 55 120 31.5 153.5 187.6 1.65
3571 60 130 33.5 171.4 210 1.96
3571 65 140 36 193 227 2.42
3571 70 150 38 219 271.7 3.04
3571 75 160 40 252.8 318.8 3.71
3 0571 80 170 42.5 278.8 352.5 4.27
3 0571 85 180 44.5 304.9 388.2 4.96
3 0571 90 190 46.5 342.1 440.9 5.8
3571 95 200 49.5 369 477.7 6.8
30320 100 215 51.5 406.4 526.4 8.22
33008 40 68 22 60.2 79.6 0.306
33009 45 75 24 72.6 100.4 0.398
33571 50 80 24 76.8 110.9 0.433
33011 55 90 27 94.9 144.7 0.651
33012 60 95 27 96.7 151.1 0.691
33013 65 100 27 98.1 157.7 0.732
33014 70 110 31 134.4 220.4 1.07
33015 75 115 31 133.1 221.2 1.12
33016 80 125 36 181.9 304.3 1.63
33017 85 130 36 180.4 305.5 1.69
33018 90 140 39 232.6 388.6 2.2
33019 95 145 39 231 389.9 2.26
33571 100 150 39 229.5 391.2 2.33
33571 105 160 43 257.4 437.4 2.97
33571 110 170 47 288.7 502.7 3.74
33571 120 180 48 298.2 535.1 4.07
33026 130 200 55 400.6 727.4 6.14
33571 140 210 56 407 755.5 6.57
33030 150 225 59 461.2 873.8 7.98
33108 40 75 26 84.7 110.3 0.496
33109 45 80 26 87.1 117.2 0.535
33110 50 85 26 89.3 124.1 0.572
33111 55 95 30 114.5 164.8 0.483
33112 60 100 30 117.1 173.2 0.895
33113 65 110 34 142.8 220.4 1.3
33114 70 120 37 172.1 267 1.7
33115 75 125 37 176.1 279.6 1.78
33116 80 130 37 179.6 292.3 1.87
33117 85 140 41 215.7 354.2 2.43
33118 90 150 45 252.1 414.7 3.13
33119 95 160 49 298.9 498.2 3.94
33120 100 165 52 309.4 529.2 4.31
33121 105 175 56 351.8 607.8 5.29
33122 110 180 56 373.2 639.1 5.5
33124 120 200 62 448.2 779.1 7.68
33207 35 72 28 82.6 101.7 0.515
33208 40 80 32 105.8 135.5 0.715
33209 45 85 32 109.5 145.1 0.771
33210 50 90 32 112.9 154.6 0.825
33211 55 100 35 35 196.7 1.15
33212 60 110 38 38 231.4 1.51
33213 65 120 41 41 281.6 1.99
33214 70 125 41 41 298.3 2.1
33215 75 130 41 41 299.7 2.17
33216 80 140 46 46 361.8 2.83
33217 85 150 49 49 415.7 3.52
33218 90 160 55 55 499.7 4.55
33219 95 170 58 58 568.4 5.48
33220 100 180 63 63 666.2 6.71
33221 105 190 68 68 770.5 8.12
32909 45 68 15 32 48.4 0.18
32910 50 72 15 36.9 56.1 0.181
32911 55 80 17 41.5 66.7 0.262
32912 60 85 17 46.1 73.1 0.279
32913 65 90 17 45.4 73.2 0.295
32914 70 100 20 70.8 114.7 0.471
32915 75 105 20 78.2 124.7 0.49
32916 80 110 20 79.3 129 0.514
32917 85 120 23 96.9 164.1 0.767
32918 90 125 23 95.8 164.5 0.798
32919 95 130 23 97.1 169.8 0.931
32920 100 140 25 126.6 218.4 1.12
32921 105 145 25 128 255.6 1.16
32922 110 150 25 129.7 232.6 1.2
32924 120 165 29 171.9 317.3 1.78
32926 130 180 32 206 380.6 2.34
32928 140 190 32 207.2 392.4 2.47
32930 150 210 38 261 510.4 3.87
32932 160 220 38 262.8 525.4 4.07
32934 170 230 38 280.1 561.5 4.33

ZheJiang REET BEARING.CO.,LTD is a professional bearing manufacturer and exporter.
We have a wealth of technical.All producing processes are finished in our manufactory. As an ISO9001:2000 certified manufacturer,we will solve various problems in application and use of our bearings.
Our company is an authorized distributor of FAG, INA, CZPT and other world brand bearings.Our company has the right to self-export bearings and launches its own brand RTB.
Our bearing had been exported to more than 20 countries worldwide and are warmly welcomed.
We’re looking forward to your order.

FAQ

1.Is the company a production factory or a trading company?

ZheJiang REET BEARING CO.,LTD is a manufacturing enterprise focusing on bearings and integrating research, production and sales.

2.How many the MOQ of your company?

Depending on the size of the bearing, the MOQ is variable, if you are interested, you can contact me for a quote.

3.Does the company accept OEM or customized bearings?
In addition to standard products, we also supply non-standard and modified standard products for special application. Meanwhile, we provide OEM service.

4.Can the company provide free samples?
We can provide samples for free. You only need to provide shipping.

5.What are the company’s delivery terms?
We can accept EXW,FOB,CFR,CIF,etc. You can choose the 1 which is the most convenient cost effective for you.
 

Shipping Cost:

Estimated freight per unit.



To be negotiated
Contact Angle: 0
Aligning: Non-Aligning Bearing
Separated: Separated

ball bearing

Can you Provide Examples of Industries where Ball Bearings are Crucial Components?

Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:

  • Automotive Industry:

Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.

  • Aerospace Industry:

In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.

  • Industrial Machinery:

Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.

  • Medical Equipment:

In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.

  • Robotics and Automation:

Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.

  • Renewable Energy:

Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.

  • Marine and Shipbuilding:

Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.

  • Heavy Equipment and Construction:

In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.

  • Electronics and Consumer Appliances:

Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.

  • Oil and Gas Industry:

In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.

These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

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.

Samples:
US$ 8/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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 Ceramic/Needle/Pillow Block/Auto/Deep Groove/Angular Contact Ball/Spherical/Taperd Roller/Cylindrical Roller/Linear/Wheel Bearings Rtb/Timken/FAG/INA/NSK 32008X   double row ball bearingChina factory Ceramic/Needle/Pillow Block/Auto/Deep Groove/Angular Contact Ball/Spherical/Taperd Roller/Cylindrical Roller/Linear/Wheel Bearings Rtb/Timken/FAG/INA/NSK 32008X   double row ball bearing
editor by CX 2023-08-10

China OEM 013.30.1000 1122mm Single Row 4 Points Contact Ball Slewing Bearing with Internal Gear bearing driver kit

Product Description

HBB High Performance Single Row 4 Point Contact Ball Bearings

Normally, Slewing Bearings are large-size rolling bearings that can accommodate axial,radial and moment loads acting either singly or in combination and in any direction. They can perform both slewing (oscillating) movements as well as rotational movements.

Basically, a slewing bearing consists of an inner ring (a), an outer ring (b) and rolling elements − balls (c) or cylindrical rollers − that are separated by polyamide spacers (d). The rings, 1 of which usually incorporates a gear (e), are provided with holes (f) to accommodate attachment bolts. The holes may be threaded. Generally, only the raceways in the rings (h) are hardened and precision-ground. Integral seals (g) made of acrylonitrile-butadiene rubber (NBR) keep the lubricant in, and contaminants out of the bearing. Slewing bearings are re-lubricated Slewing bearings through grease fittings (i) to reduce maintenance and operating costs.

Compared to traditional pivot arrangements, slewing bearing arrangements provide many design and performance advantages. The compactness and large inner diameter simplify the design of the bearing arrangement and its associated components.

The low sectional height of these bearings means that the pinion lever can be kept short. In most cases only flat surfaces on the associated components are needed.
Slewing bearings were originally designed to be mounted only on horizontal support structures, but can now be used successfully in vertical bearing arrangements. The forces and load distribution in slewing bearings, when subjected to axial, radial and moment loads.

Technical Speficiations:

Slewing bearings perform extremely well in a variety of applications such as:
access platforms; bucket wheel excavators; conveyor booms; cranes of all types, small, medium and large excavators; inHangZhou tables; ladle turrets; offshore applications; robots; railway bogies; rotary platforms; stackers; solar mirrors; tunnel boring machines; wind turbines; radar antenna

Real Products Show:

Factory Show:

 

Standard or Nonstandard: Standard
Feature: High Speed, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Single-Row
Roller Type: Deep Groove Raceway
Material: Bearing Steel
Samples:
US$ 5000/Piece
1 Piece(Min.Order)

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Request Sample

bushing

What is a bushing?

What is a bushing? Basically, bushings are spherical or spherical bearings for machines with sliding or rotating shaft assemblies. Due to their excellent load-carrying capacity and anti-friction properties, these bushings are used in almost all industrial applications. This makes them useful in industries such as construction, mining, agriculture, transportation, hydropower, food processing and material handling.

Shell information

The demand for bushings is closely related to the global transformer market. Growing renewable energy sources and high replacement rates of aging grid infrastructure are driving the global demand for transformer bushings. Increased urbanization is another factor driving the demand for transformer bushings. Among global regions, Asia Pacific is the largest market for medium voltage transformer bushings. The following section provides a detailed analysis of the market.
Bulk-type bushings are used for lower voltage ratings and consist of a center conductor stud or tube and an insulator housing. They are available in dry or oil filled versions, and their oil content is shared with the transformer main tank. However, the trend is slowly turning towards RIP bushings. Regardless of how different types of bushings are used, it is important to understand the difference between them.
A recent CZPT survey indicated that bushings account for 17% of all transformer failures. Among them, 30% caused fire accidents and 10% caused explosions. This is not a small risk, especially for such important electrical components as transformers. Because casing is so important, utilities are increasingly looking to preventative maintenance. However, this requires continuous monitoring of the bushing and its insulation. There are many benefits to using online condition monitoring.
One of the main benefits of locating and replacing faulty bushings is improved operability and safety. If you notice that your car is unstable in the corners, your bushings are worn. Anti-roll bar bushings can also be a sign of bushing damage. Do not ignore these warning signs as they can have dangerous consequences. To avoid these potential problems, make sure to get your vehicle serviced as soon as you notice any of these symptoms.
Be sure to park your vehicle on a level surface before you start changing your car bushings. You may need to unlock the hood latch and apply the brakes before continuing. Then, open the valve cover. This will allow you to see the engine area and bushings. You should also check that the wheels are not moving and avoid placing sharp objects in the engine bay. If you have time, open the hood and if you can see the bushings, turn on the headlights.
bushing

type

There are various types of bushings, each serving a different purpose. Oil-filled types are the most common and are designed for vertical installations. On the other hand, the embedded ferrule can accommodate the connection to the wire leads in the lower end of the ferrule. This feature significantly reduces the length of the sump end of the casing, but also adds additional complexity and cost.
There are two basic types of bushings. The first is a solid pour and the second is a capacitive graded variety. Solid cast bushings are typically used for low voltage transformer windings, while gas insulated bushings are insulated with pressurized gas. Gas-insulated bushings are also used in SF6 circuit breakers. If you are in the market for a new bushing, be sure to consider its cantilever strength and design.
Electrical bushings are an important part of various electrical equipment. They help carry high-voltage current through the enclosure and act as an insulator between a live conductor and a metal body at ground potential. Bulk-type bushings consist of a central conductive rod (usually copper or aluminum) and an insulator (silicone rubber compound or composite resin) surrounding the rod.
Transformers require transformer bushings. The construction and materials used in the bushing play a key role in the durability and longevity of the transformer. Transformers with weak bushings can fail, causing extensive damage. Moisture or voids can cause insulation breakdown, resulting in extensive electrical damage. Appropriate materials and optimized construction can reduce electric field stress and extend the life of the bushing.
Capacitor grading bushings are more expensive and are used in almost all high voltage systems. They use a conductive layer within the insulating layer between the center conductor and the insulator. Different manufacturers use different materials to produce these bushings. Earlier, capacitor grading bushings were made of concentric ceramic cylinders with metallized surfaces. They are also made from laminated cardboard tubes with conductive layers.

Function

A bushing is a support member that performs its function by acting as a washer and reducing noise and vibration. Bushings are used in valve covers and are made of corrosion-resistant materials to perform these functions. These products can be found in all types of machinery from cars to airplanes. Below are some common uses for bushings. Read on to discover more. Here are some of the most important features of the shell.
Electrical bushings transmit electricity. They can be used in circuit breakers, transformers, power capacitors and shunt reactors. The conductors of the bushing can be built directly into the bushing or through the bushing. Both current and voltage represent electricity. The bushing must have insulation capable of withstanding the voltage and its current-carrying conductors must be capable of carrying the rated current without overheating the adjacent insulation.
The bushing wraps around the stem, which is a relatively simple replacement part. It is a hardened part that prevents leaks and improves sealing. Plus, its low-cost replacement makes it a very easy-to-machine part. Bushings are also used in valves for guiding purposes. These two features make bushings an important part of many machines and applications. So, learn more about them.
Copper and brass are commonly used bushing materials. They have high compressive strength and high surface pressure. This material is suitable for bearings in low speed situations and heavy duty applications. Copper and brass are the most common types of casings, and they are both made in China. They are all relatively inexpensive and are available in a variety of materials and sizes. If you are considering purchasing a casing, keep in mind that it must meet national standards.
bushing

cost

Whether you’re looking for a replacement bushing for your rear suspension or just need to replace the fork, you have a few different options. The two main types of bushings are coated and uncoated. If you want to save money on bushing replacements, you should consider getting a cheaper lower fork. Whether you’re replacing bushings to improve ride quality or prevent damage to your wheel loader, you’ll find a bushing replacement option that fits your budget.
While most cars are compatible with bushings, some iconic parts from premium brands like BMW and Mercedes require special tools to replace. If you are not confident in your mechanical abilities, consider hiring a mechanic to do it. Mechanical replacement bushings typically range from $200 to $500. If you’re comfortable with mechanics and have some mechanical knowledge, you can save money by trying the job yourself. For example, control arm bushings range in price from $20 to $80. It is important to check the alignment after replacing the bushing to avoid further damage.
Control arm bushing replacements are usually relatively inexpensive, but you may need to replace several at the same time. You should check the prices of several mechanics before making a decision. You can easily save between $50 and $100 by comparing quotes. Plus, you’ll save a lot of money by finding the right mechanic for the job. You can also use an online comparison tool to compare prices. You can find a mechanic that suits your needs at an affordable price.
Control arm bushings are also an inexpensive way to replace parts of a car’s front or rear suspension. Typically, control arm bushings are made of two metal cylinders covered with a thick layer of rubber. They wear out due to accidents, potholes and off-roading. They are mounted with a bolt that goes through the inner barrel. It is important to replace these bushings as often as needed to improve operation.

China OEM 013.30.1000 1122mm Single Row 4 Points Contact Ball Slewing Bearing with Internal Gear   bearing driver kitChina OEM 013.30.1000 1122mm Single Row 4 Points Contact Ball Slewing Bearing with Internal Gear   bearing driver kit
editor by CX 2023-04-18