Product Description

Product Detail

Tapered roller bearings refer to radial thrust rolling bearings whose rolling elements are tapered rollers. There are 2 kinds of small cone angle and large cone angle. The small cone angle mainly bears the combined radial and axial loads dominated by radial loads. It is often used in pairs and installed in reverse. The inner and outer races can be installed separately, and the radial and axial clearances can be adjusted during installation and use; The large cone angle mainly bears the combined axial and radial loads, which are mainly axial loads. Generally, it is not used to bear pure axial loads alone, but can be used to bear pure radial loads when arranged in pairs (the ends with the same name are installed opposite to each other).
Tapered roller bearings are widely used in automobiles, rolling mills, mining, metallurgy, plastic machinery and other industries.

 

Product Profile

model 35717
inner size 35mm
outer size 72mm
width 17mm
weight 0.331kg
price 0.6$

model 32207
inner size 24mm
outer size 72mm
width 35mm
weight 0.35kg
price 0.8$

model 32008
inner size 40mm
outer size 68mm
width 19mm
weight 0.267kg
price 0.47$

model 32206
inner size 30mm
outer size 62mm
width 20mm
weight 0.287kg
price 0.54$

model 32218
inner size 90mm
outer size 160mm
width 42.5mm
weight 3.43kg
price 0.9$

Model
Company Profile
Haisai bearing is a regular model industrial manufacturing enterprise integrating bearing product research and development, design, manufacturing, import and export trade. The company was founded in 1998, covers an area of more than 90,000 square meters, plant area of more than 20,000 square meters, more than 200 employees, more than 20 technical engineers, has passed the international/SO9001:2008,1SO/TS16949:2009 and other quality management system certification. In addition, we have 2 factories (located in ZheJiang and HangZhou respectively) and a trading company. We have completed the high-speed forging of bearing steel dock, automatic high-precision grinding, cryoquenching, unitized automatic constant temperature grinding, intelligent assembly and so on, complete profession production. The product size from 30mm-750mm covers single and double row tapered roller bearing, British garden taper roller bearing, deep groove ball bearing, stainless steel shaft reducer special bearings, agricultural equipment bearings, a total of more than 2500 specifications of products.
We have a professional team of excellent quality, the technical center is equipped with all kinds of testing machines, high-precision testing instruments,material analysis instruments and more than 60 sets, for users to design develop, trial-produce all kinds of special purpose bearings, and do our best to provide high-end customers around the world with the best solutions and good after-sales service!
We has many years of experience in the industrial field of bearing supporting and industrial service, the products are exported to the United States, Germany, Italy, France, the Czech Republic, Russia and other European and American countries and supporting enterprises. We both at home and abroad enjoy a good business reputation!
We promise to be responsible for every set of bearings and industrial products sold! Make every customer satisfied, is our constant pursuit!
Company Detail
Professional Testing

Digital Workshop

Stock

Packing
Transportation

 

Certification

Our company is a large-scale industrial manufacturing enterprise integrating bearing product research and development, design, manufacturing, import and export trade. The company was established in 1998, covering an area of more than 90,000 square meters, with a workshop area of more than 20,000 square meters, more than 200 employees, and more than 20 technical engineers. It has passed international/SO9001: 2008, 1SO/TS16949:2009 and other quality management system certifications.
The company has length measuring instruments, profilers, roundness meters, hardness meters, 3D imagers, vibration meters, flaw detectors, metallographic microscopes and other inspection instruments to meet the requirements of product performance testing, 100% raw material ultrasonic flaw detection, size and shape accuracy inspection, and large-scale bearing magnetic particle flaw detection.
The company has a professional team with excellent quality. The technical center is equipped with more than 60 sets of various testing machines, high-precision testing instruments, and material analysis instruments. It can design, develop, and trial-manufacture various special-purpose bearings for users.

Q&A
Q:What’s your after-sales service and warranty?
A: We promise to bear the following responsibilities when defective products were found:
1. Replacements would be sent with goods of your next order;
2. Refund for defective products if customers require.

Q:Do you accept ODM&OEM orders?
A: Yes, we provide ODM&OEM services to worldwide customers, we also customize OEM box and packing as your requirements.

Q:What’s the MOQ?
A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance. There is no MOQ for sample orders.

Q:How long is the lead time?
A: The lead time for sample orders is 3-5 days, for bulk orders is 5-15 days.

Q:Do you offer free samples? 
A: Yes we offer free samples to distributors and wholesalers, however customers should bear freight. We DO NOT offer free samples to end users. 

Q:How to place order?
A: 1. Email us the model, brand and quantity,shipping way of bearings and we will quote our best price for you; 
2. Proforma Invoice made and sent to you as the price agreed by both parts; 
3. Deposit Payment after confirming the PI and we arrange production; 
4. Balance paid before shipment or after copy of Bill of Loading. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Inner Size: 170mm
Outer Size: 215mm
Width: 45mm
Samples:
US$ 3.5/Piece
1 Piece(Min.Order)

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Order Sample

Factory outlet, negotiable
Customization:
Available

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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.

steel ball bearing

Are there specific considerations for choosing steel ball bearings in applications with varying loads or operating conditions?

When selecting steel ball bearings for applications with varying loads or operating conditions, there are several specific considerations to keep in mind. The performance and longevity of the bearings depend on factors such as load magnitude, load direction, speed, temperature, and environmental conditions. Here are the key considerations for choosing steel ball bearings in such applications:

1. Load Capacity:

The load capacity of a steel ball bearing refers to its ability to withstand applied loads without excessive deformation or failure. In applications with varying loads, it’s important to consider both the static and dynamic load ratings of the bearing. The static load rating indicates the maximum load the bearing can handle when it is stationary, while the dynamic load rating represents the load it can support during continuous rotation. By comparing the expected loads in the application to the load ratings of different bearing models, you can select a bearing with an appropriate load capacity to handle the varying loads effectively.

2. Load Type and Direction:

The type and direction of the loads in the application also influence the choice of steel ball bearings. Bearings can typically handle radial loads (perpendicular to the shaft axis), axial loads (parallel to the shaft axis), or a combination of both. Depending on the specific application, you need to consider whether the loads are predominantly radial, axial, or a combination. This consideration helps determine the appropriate bearing type, such as deep groove ball bearings for radial loads, angular contact ball bearings for combined radial and axial loads, or thrust bearings for predominantly axial loads.

3. Speed Capability:

The speed capability of steel ball bearings is an essential consideration for applications with varying operating speeds. High-speed applications require bearings that can withstand the centrifugal forces and minimize frictional heat generation. Factors such as cage design, lubrication, and bearing precision contribute to the speed capability of the bearing. It’s important to select bearings specifically designed for the anticipated operating speeds to ensure reliable performance and avoid issues like excessive heat, premature wear, or bearing failure.

4. Temperature Range:

The temperature range in which the steel ball bearings will operate is a critical consideration. High temperatures can cause dimensional changes, reduced lubricant viscosity, and accelerated wear, while extremely low temperatures can affect the bearing’s material properties and lubrication characteristics. It’s important to choose bearings with appropriate heat treatment and cage materials that can withstand the anticipated temperature range. In extreme temperature conditions, specialized bearings with high-temperature grease or materials like stainless steel or ceramic may be required.

5. Environmental Factors:

Environmental factors, such as humidity, dust, chemicals, and contaminants, can significantly affect the performance and durability of steel ball bearings. In applications with varying environmental conditions, it’s crucial to consider additional protection measures, such as appropriate seals or shields, to prevent the ingress of contaminants and maintain reliable operation. Bearings with enhanced corrosion resistance or sealed designs may be necessary in harsh environments to prevent premature wear, rust, or degradation of performance.

6. Lubrication and Maintenance:

Proper lubrication is essential for the reliable operation and longevity of steel ball bearings. In applications with varying loads or operating conditions, it’s important to consider the lubrication requirements and maintenance intervals. Factors such as speed, temperature, and load magnitude influence the choice of lubricant type, viscosity, and replenishment frequency. Adequate lubrication ensures reduced friction, minimized wear, and enhanced bearing performance. It’s important to follow manufacturer recommendations and establish a regular maintenance schedule to optimize bearing life in applications with varying operating conditions.

7. Application-Specific Considerations:

Each application may have unique requirements and constraints that need to be considered when selecting steel ball bearings. Factors such as space limitations, noise restrictions, mounting considerations, and alignment requirements may influence the bearing choice. Consulting with bearing manufacturers or industry experts can help identify specific considerations and select the most suitable bearings for applications with varying loads or operating conditions.

In summary, choosing steel ball bearings for applications with varying loads or operating conditions requires careful consideration of load capacity, load type and direction, speed capability, temperature range, environmental factors, lubrication requirements, and application-specific considerations. By selecting bearings that are specifically designed to handle the anticipated conditions, you can ensure optimal performance, longevity, and reliability in your application.

steel ball bearing

What is the impact of proper lubrication and maintenance on the performance and lifespan of steel ball bearings?

Proper lubrication and maintenance have a significant impact on the performance and lifespan of steel ball bearings. Let’s explore the importance and benefits of lubrication and maintenance for steel ball bearings:

1. Reduced Friction and Wear:

Proper lubrication forms a thin film between the steel balls and the raceways of the bearing, reducing friction and minimizing wear. The lubricant acts as a protective barrier, preventing direct metal-to-metal contact and the resulting damage that can occur from excessive friction. Reduced friction and wear contribute to smoother operation, lower energy consumption, and extended lifespan of the bearing.

2. Heat Dissipation:

Lubrication helps dissipate heat generated during operation. As the steel balls roll within the bearing, heat is generated due to friction. The presence of a lubricating film helps to carry away heat from the bearing, preventing overheating and potential damage. Effective heat dissipation improves the overall performance and reliability of the bearing.

3. Contamination Protection:

Lubrication acts as a barrier against contaminants such as dust, dirt, moisture, and particles that could enter the bearing. The lubricant forms a protective layer that helps prevent the ingress of these contaminants, reducing the risk of damage and premature failure. Contamination protection is particularly crucial in harsh environments or applications where the bearing is exposed to external elements.

4. Corrosion Prevention:

Lubricants often contain additives that provide corrosion protection for steel ball bearings. These additives help to prevent corrosion and rust formation on the bearing surfaces, especially in applications where the bearing is exposed to moisture or corrosive substances. Corrosion prevention prolongs the lifespan of the bearing and maintains its performance even in corrosive environments.

5. Noise and Vibration Reduction:

Proper lubrication contributes to reducing noise and vibration in steel ball bearings. When the surfaces of the balls and raceways are well-lubricated, they can move smoothly and with minimal friction, reducing the generation of unwanted noise and vibrations. This is particularly important in applications where noise levels need to be controlled, such as precision machinery or sensitive equipment.

6. Maintenance and Inspection:

Regular maintenance and inspection of steel ball bearings allow for early detection of any potential issues or signs of wear. This includes monitoring lubrication levels, checking for contamination or damage, and ensuring proper alignment and mounting of the bearing. Timely maintenance and inspection help to identify and address problems before they escalate, preventing costly repairs, downtime, or bearing failure.

7. Extended Lifespan:

Proper lubrication and maintenance practices significantly extend the lifespan of steel ball bearings. By reducing friction, wear, and the risk of damage from contaminants or corrosion, lubrication and maintenance help to preserve the integrity and performance of the bearing over time. This leads to increased longevity, improved reliability, and reduced replacement costs.

In summary, proper lubrication and maintenance are crucial for optimizing the performance and lifespan of steel ball bearings. These practices reduce friction, prevent wear and damage, dissipate heat, protect against contamination and corrosion, minimize noise and vibration, and allow for early detection of issues. By implementing effective lubrication and maintenance strategies, equipment operators can ensure the reliable and efficient operation of machinery that relies on steel ball bearings.

steel ball bearing

What are the common applications and industries where steel ball bearings are frequently used?

Steel ball bearings are widely used in various applications across numerous industries. Their versatility and performance make them essential components in many mechanical systems. Here are some common applications and industries where steel ball bearings are frequently utilized:

1. Automotive: Steel ball bearings are extensively employed in the automotive industry. They are found in wheel assemblies, transmissions, engines, steering systems, suspension components, and various other parts. The automotive sector relies on steel ball bearings for their ability to handle high-speed rotation, support heavy loads, and provide durability in challenging environments.

2. Industrial Machinery: Steel ball bearings play a vital role in industrial machinery. They are used in machine tools, conveyor systems, pumps, compressors, fans, gearboxes, and other equipment. Steel ball bearings enable smooth motion, reduce friction, and provide reliable operation in various industrial applications.

3. Electric Motors and Generators: Electric motors and generators require precise rotational motion and efficient energy conversion. Steel ball bearings are commonly used in these devices to support the rotating shafts, reduce friction, and enable smooth operation. They are found in electric motors for appliances, HVAC systems, power tools, and industrial machinery.

4. Aerospace and Aviation: The aerospace and aviation industries demand high-performance bearings that can withstand extreme conditions and operate at high speeds. Steel ball bearings are utilized in aircraft engines, landing gear, control systems, and other critical components. Their ability to handle heavy loads, operate at high speeds, and provide reliability makes them suitable for aerospace applications.

5. Robotics and Automation: Steel ball bearings are essential in robotics and automation systems. They are used in robotic joints, linear motion systems, robotic arms, and precision machinery. Steel ball bearings provide smooth motion, high-speed operation, and precise positioning, enabling robots and automated systems to perform their tasks accurately and efficiently.

6. Medical Equipment: Steel ball bearings are employed in various medical equipment and devices. They are used in surgical instruments, imaging systems, laboratory equipment, dental tools, and prosthetic devices. Steel ball bearings offer reliable performance, low friction, and resistance to corrosion, making them suitable for critical medical applications.

7. Household Appliances: Steel ball bearings are found in numerous household appliances, including washing machines, refrigerators, dishwashers, vacuum cleaners, and blenders. They enable smooth and efficient operation in these appliances, contributing to their reliability and longevity.

8. Other Industries: Steel ball bearings are utilized in many other industries, such as mining, construction, oil and gas, agriculture, food processing, and marine applications. They provide reliable performance, durability, and efficiency in diverse operating conditions.

In summary, steel ball bearings are widely used in automotive, industrial machinery, electric motors, aerospace, robotics, medical equipment, household appliances, and various other industries. Their ability to reduce friction, support heavy loads, operate at high speeds, and provide reliability makes them indispensable components in numerous mechanical systems.

China factory Factory Outlet Tapered/Cylindrical Roller/Thrust Ball/Needle/Stainless Steel/Wheel Hub/Rolling Bearing with High Quality and Long Life   drive shaft bearingChina factory Factory Outlet Tapered/Cylindrical Roller/Thrust Ball/Needle/Stainless Steel/Wheel Hub/Rolling Bearing with High Quality and Long Life   drive shaft bearing
editor by CX 2024-05-14

Steel Ball Bearings

As one of the leading steel ball bearings manufacturers, suppliers, and exporters of mechanical products, We offer steel ball bearings and many other products.

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