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. /* 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

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

|

Order Sample

Factory outlet, negotiable
Customization:
Available

|

Customized Request

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

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



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

steel ball bearing

Can you provide guidance on the selection and sizing of steel ball bearings for specific applications?

Yes, I can provide guidance on the selection and sizing of steel ball bearings for specific applications. When choosing and sizing steel ball bearings, it is essential to consider various factors to ensure optimal performance and reliability. Here are some key considerations:

1. Load Requirements:

Determine the load requirements of your application, including the magnitude and direction of the loads. This information is crucial for selecting bearings with appropriate load capacities. Consider factors such as static loads, dynamic loads, impact loads, and axial or radial forces. Manufacturers provide load capacity ratings for different bearing types, and it is important to choose bearings that can handle the anticipated loads without excessive deflection or premature failure.

2. Speed and Operating Conditions:

Understand the speed and operating conditions of your application. Consider factors such as rotational speed, temperature, humidity, and the presence of contaminants or corrosive substances. High-speed applications may require bearings with lower friction and improved heat dissipation, while harsh environments may necessitate bearings with enhanced corrosion resistance or sealing capabilities. Select bearings that are designed to withstand the specific operating conditions of your application.

3. Shaft and Housing Dimensions:

Take into account the dimensions of the shaft and housing in which the bearings will be mounted. Bearings should be properly sized to match the shaft and housing diameters, ensuring a proper fit and alignment. Consider factors such as shaft tolerances, shaft hardness, and the type of fit required (e.g., clearance fit, interference fit). Manufacturers provide guidelines and calculation methods to determine the appropriate bearing size based on the shaft and housing dimensions.

4. Bearing Type and Configuration:

Choose the appropriate bearing type and configuration based on the specific requirements of your application. Common types of steel ball bearings include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and self-aligning ball bearings. Each type has its own design features and load-carrying capabilities. Additionally, consider factors such as the number and arrangement of balls, cage design, and the presence of seals or shields. These factors affect the bearing’s performance, speed capability, and ability to handle axial or radial loads.

5. Lubrication and Maintenance:

Consider the lubrication requirements and maintenance considerations of the bearings. Proper lubrication is essential for reducing friction, preventing wear, and extending the bearing’s service life. Determine the lubrication method (grease or oil), the required lubricant type, and the re-lubrication intervals. Some applications may require bearings with built-in lubrication systems or special lubrication features. Additionally, consider the accessibility for maintenance and the ease of bearing replacement, particularly in applications with frequent bearing changes or limited maintenance access.

6. Industry Standards and Regulations:

Be aware of industry standards, regulations, or specific requirements that apply to your application. In certain industries, such as aerospace, automotive, or medical, there may be specific standards or certifications that the bearings need to meet. Ensure that the selected bearings comply with the necessary standards and regulations to guarantee their suitability for the intended application.

7. Consult with Manufacturers or Experts:

If you are unsure about the selection and sizing of steel ball bearings for your specific application, it is advisable to consult with bearing manufacturers or industry experts. They can provide valuable guidance based on their expertise and experience. Manufacturers often have engineering support teams that can assist in selecting the most appropriate bearings for your application, taking into account the specific requirements and constraints.

By considering these factors and seeking expert advice when needed, you can make informed decisions regarding the selection and sizing of steel ball bearings for your specific applications. This ensures optimal performance, reliability, and longevity of the bearings in your industrial systems.

steel ball bearing

How do steel ball bearings perform in high-speed or high-load applications?

Steel ball bearings are engineered to perform reliably in both high-speed and high-load applications. Let’s explore how these bearings handle such demanding conditions:

High-Speed Applications:

In high-speed applications, steel ball bearings are designed to minimize friction and maintain stability, allowing for smooth and efficient operation. The key factors that contribute to their performance in high-speed applications include:

  • Cage Design: Steel ball bearings often incorporate a cage or separator that holds the balls in position. The cage design is optimized to reduce friction, minimize ball-to-ball contact, and prevent excessive heat generation at high speeds.
  • Ball Material and Quality: Steel ball bearings use precision steel balls that are manufactured to strict tolerances. The balls are typically made from high-quality bearing steel, ensuring uniformity, roundness, and smooth surfaces. These characteristics reduce rolling resistance and enable reliable performance at high speeds.
  • Lubrication: Proper lubrication is crucial for high-speed applications. Lubricants with low viscosity and high-temperature resistance are selected to minimize friction and heat buildup. Lubrication also aids in dissipating heat generated during operation, preventing bearing damage.
  • Bearing Preload: In high-speed applications, bearing preload is often applied to maintain proper contact between the balls and raceways. Preload helps to eliminate internal clearance and minimize ball skidding, ensuring stable operation and reducing the risk of vibrations or premature failure.

High-Load Applications:

Steel ball bearings are also designed to handle high-load applications, where heavy forces are exerted on the bearings. Here are the factors that contribute to their performance in high-load conditions:

  • Material Strength: Steel ball bearings are typically made from high-strength bearing steels that can withstand significant loads without deformation or failure. These steels are engineered to have excellent hardness, toughness, and fatigue resistance, ensuring reliable performance under heavy loads.
  • Bearing Geometry: The geometry of steel ball bearings is optimized to distribute and support the load evenly across the balls and raceways. This design helps minimize stress concentrations and prevents premature wear or fatigue failure in high-load conditions.
  • Cage Design: The cage or separator in steel ball bearings also plays a role in high-load applications. It helps maintain proper ball spacing and alignment, ensuring efficient load distribution and reducing the risk of ball-to-ball contact or skewing under heavy loads.
  • Lubrication: Adequate lubrication is essential to reduce friction and prevent excessive heat generation in high-load applications. Lubricants with high viscosity and extreme pressure additives are commonly used to provide a protective film between the balls and raceways, minimizing wear and extending the bearing’s lifespan.
  • Bearing Clearance: In high-load applications, bearing clearance is carefully selected to accommodate the expected load and prevent excessive internal play. Proper clearance ensures that the bearing can effectively handle the applied load without compromising performance or causing premature failure.

By considering factors such as cage design, ball material, lubrication, preload, geometry, and clearance, steel ball bearings are engineered to perform reliably in both high-speed and high-load applications. These bearings are capable of withstanding the demanding conditions and providing smooth operation, reduced friction, and extended service life in challenging industrial environments.

steel ball bearing

Can you describe the load-carrying capacity and load ratings of steel ball bearings?

Load-carrying capacity and load ratings are important factors to consider when using steel ball bearings in mechanical systems. Let’s delve into these aspects in detail:

Load-Carrying Capacity:

Load-carrying capacity refers to the maximum amount of load that a bearing can support without experiencing excessive deformation or failure. Steel ball bearings are designed to handle both radial loads (perpendicular to the shaft) and axial loads (parallel to the shaft). The load-carrying capacity of steel ball bearings depends on various factors, including the size and number of balls, the quality of the steel used, and the design of the bearing.

Radial Load: Steel ball bearings can carry radial loads, which are forces acting perpendicular to the shaft. The load-carrying capacity for radial loads is influenced by factors such as the ball size, the number of balls, and the contact angle between the balls and the raceways. The distribution of the load across multiple balls and the ability of the balls to roll smoothly help in evenly distributing the load and preventing excessive stress on individual balls.

Axial Load: Steel ball bearings can also support axial loads, which are forces acting parallel to the shaft. Axial load-carrying capacity is determined by the design of the bearing, including factors such as the contact angle, ball size, and the presence of thrust-specific features like retainers or washers. Bearings specifically designed for axial loads, such as thrust ball bearings, are optimized to handle high axial loads while maintaining smooth motion.

Load Ratings:

Load ratings provide standardized values to help engineers and users select the appropriate bearing for a given application. The load ratings indicate the maximum loads that a bearing can carry under specific conditions without exceeding a certain level of deformation or fatigue life.

Dynamic Load Rating (C): The dynamic load rating represents the maximum radial load or axial load that a group of bearings can carry for a specified number of revolutions or operating hours, without premature failure due to fatigue. It is typically expressed in Newtons (N) or pounds-force (lbf). The dynamic load rating is important for applications with rotating or oscillating loads, as it helps determine the bearing’s suitability and expected service life under dynamic conditions.

Static Load Rating (Co): The static load rating indicates the maximum radial load or axial load that a bearing can withstand without permanent deformation. It is measured under stationary or non-rotating conditions and is typically higher than the dynamic load rating. The static load rating is crucial for applications with sustained or long-duration loads, where the bearing may experience prolonged stress without rotation.

Manufacturers provide load ratings for different types and sizes of steel ball bearings, enabling engineers to select the appropriate bearing based on the anticipated loads and operating conditions of the application.

In summary, the load-carrying capacity of steel ball bearings depends on their design and factors such as ball size, number of balls, and contact angles. Load ratings, including dynamic load ratings and static load ratings, provide standardized values to guide the selection of bearings based on their ability to support specific loads without premature failure or deformation.

China Hot selling 1688 Factory Outlet 32206/30207/32207/32008/32218 Tapered/Cylindrical Roller/Thrust Ball/Needle/Stainless Steel Bearing with High Quality and Long Life   wholesalerChina Hot selling 1688 Factory Outlet 32206/30207/32207/32008/32218 Tapered/Cylindrical Roller/Thrust Ball/Needle/Stainless Steel Bearing with High Quality and Long Life   wholesaler
editor by CX 2024-02-15

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.

Please get in touch with us for details.

Manufacturer supplier exporter of steel ball bearings.

Recent Posts