Detailed Parameters
Typical Applications Include
Gear systems and transmissions
Coal conveyors for thermal power generation
Port equipment
Rubber and other industrial applications
Machine tool spindles
Gear reducers
Automobile drive axles
Aircraft wheels
Agricultural wheels
Tension rollers, harrows, construction and mining equipment
Railway axle boxes, etc.
| |
d |
D |
T |
a |
B |
C |
Ca min |
Cb min |
Da max |
Da min |
Db min |
d1 |
da max |
db min |
r1,2 min |
r3,4 min |
ra max |
rb max |
m/kg |
| 32210-A |
50 |
90 |
24.75 |
21 |
23 |
19 |
3 |
5.5 |
83 |
78 |
85 |
70 |
58 |
57 |
1.5 |
1.5 |
1.5 |
1.5 |
0.602 |
Application Range
Tapered roller bearings are widely used in numerous fields. Here's a detailed introduction:
1. Transportation Sector
- Automotive Industry: In automobiles, tapered roller bearings are used in wheel hubs, differentials, and transmissions. Tapered roller bearings in wheel hubs must withstand the combined loads from the road surface, including vertical forces, driving forces, braking forces, and lateral forces, ensuring stable wheel rotation and guaranteeing driving safety and comfort. Tapered roller bearings in differentials help achieve different speeds for the left and right wheels, adapting to driving conditions such as cornering. Tapered roller bearings in transmissions support and position gear shafts, maintaining good meshing between gears, reducing energy loss during power transmission, and improving transmission efficiency.
- Railway Transportation: Tapered roller bearings are extensively used in train wheels and locomotive transmission systems. Tapered roller bearings on train wheels must withstand the immense weight of the train and the dynamic loads during operation, ensuring smooth wheel operation and reducing vibration and wear during high-speed travel and frequent starts and stops. Tapered roller bearings in locomotive traction motors, gearboxes, and other components reliably support rotating parts, ensuring efficient power transmission and maintaining the efficiency and safety of railway transportation.
- Aerospace: Tapered roller bearings play a crucial role in critical components such as aircraft landing gear and engines. Tapered roller bearings on landing gear must withstand the enormous impact forces and weight during takeoff and landing, ensuring reliable landing gear operation. Tapered roller bearings in engines must stably support rotating parts under extreme conditions of high temperature and high speed, ensuring normal engine operation.
- Automobile manufacturing production line: All kinds of equipment in the automotive manufacturing production line, such as stamping machines, welding robots, and assembly lines, require tapered roller bearings to withstand huge loads and frequent start - stop impacts. For example, when a stamping machine stamps automotive parts, the tapered roller bearings have to bear strong impact forces to ensure the stable operation of the equipment.
2. Industrial Production:
- Machinery Manufacturing: Tapered roller bearings are commonly used in critical components such as machine tool spindles and feed systems. On the spindle, it can withstand the radial and axial cutting forces generated during the cutting process, ensuring the spindle's rotational accuracy and enabling the machined parts to achieve extremely high dimensional accuracy and surface quality. For heavy-duty machine tools, such as those machining large molds or heavy mechanical parts, the load-bearing capacity of tapered roller bearings is even more prominent, ensuring stable operation of the machine tool under high-load processing conditions. In the transmission systems of various industrial machinery, tapered roller bearings can support the drive shaft, transmit power, and adapt to different working loads and speed requirements.
Mining Machinery: Tapered roller bearings are widely used in mining machinery equipment such as crushers, ball mills, and conveyors. When crushing ore, tapered roller bearings must withstand huge impact loads to ensure the continuous and stable operation of the crushing process. Tapered roller bearings in ball mills can adapt to long-term heavy-load, high-speed operation, ensuring grinding efficiency. The use of tapered roller bearings in the drums and idlers of conveyors reduces friction and ensures smooth material transport. - **Metallurgical Equipment:** Tapered roller bearings are indispensable in steel production processes, including continuous casting machines and rolling mills. In continuous casting machines, tapered roller bearings are used in the crystallizer vibration device and leveling machine to ensure the stability of the continuous casting process and the quality of the cast billets. In rolling mills, the roll bearings need to withstand enormous rolling forces; tapered roller bearings, with their high load-bearing capacity, ensure the efficient and stable production of steel of various specifications.
Large - scale robots: In parts such as the conveying devices of industrial automation production lines, the joints of large - scale heavy - duty industrial robots, robots used for handling large components in automotive manufacturing workshops, or robots used for high - altitude operations in the construction industry, tapered roller bearings can withstand large radial and axial loads, ensuring the stable operation of the equipment. For example, in the track conveying mechanism of a large - scale automated warehousing system, tapered roller bearings are required to support the weight of goods and cope with various forces during the conveying process.
3. Agricultural Sector: Agricultural machinery such as tractors, combine harvesters, and seeders extensively use tapered roller bearings. When tractors operate in the field, the tapered roller bearings in their transmission system, front and rear axles, and other components must withstand forces from soil resistance, implement loads, and other directions to ensure power transmission and driving performance. Tapered roller bearings in the cutting, threshing, and conveying components of combine harvesters can adapt to complex field environments and high-intensity operating requirements, ensuring efficient operation. Tapered roller bearings in the seed metering and furrow opener of seeders ensure the accuracy and stability of sowing.
4. Home Appliances and Everyday Equipment
Home Appliances: Tapered roller bearings are used in some large home appliances, such as washing machines, dryers, and air conditioner compressors. During the spin-drying process of a washing machine, the tapered roller bearings must withstand the centrifugal force and vibration generated by high-speed rotation, ensuring smooth drum operation, reducing noise and wear, and extending the appliance's lifespan. Tapered roller bearings in air conditioner compressors ensure stable compressor operation under high-speed, high-pressure conditions, achieving efficient cooling or heating.
- Office Equipment: Tapered roller bearings are sometimes used in the transmission components of office equipment such as copiers and printers. These bearings ensure the smooth operation of components such as paper feed and toner cartridge rotation, guaranteeing the normal operation of office equipment and the quality of printing and copying.
5. Other Fields:
- Wind Power Generation: Tapered roller bearings are commonly used in key components of wind turbines, such as the rotor shaft, the gearbox shaft, and the generator rotor shaft. The tapered roller bearings on the rotor shaft must withstand enormous axial and radial forces, derived from the wind force and the unit's own weight and inertia, ensuring stable rotor rotation and efficient conversion of wind energy into mechanical energy, which is then converted into electrical energy through the gearbox and generator.
- Medical Devices: In some large medical equipment, such as CT scanners and MRI machines, tapered roller bearings provide stable support and precise rotation in rotating components, ensuring accurate acquisition of internal human information during scanning. Their high precision and reliability are crucial for the accuracy of medical diagnosis.
The Factory
Advantage Ball Bearing Manufacturing Base is located in Cixi, the gathering place of China's bearing industry. The enterprise consists of two production plants, one focusing on the production of general grade ball bearings, and the other dedicated to the manufacture of EMQ high-quality bearings that meet the stable Z3V3 standard. The factory spares no effort to introduce the world's leading bearing manufacturing technology and equipment, and widely adopts CNC automated production lines, which is now among the most advanced equipment and technology in China's bearing manufacturing industry. The ball bearing manufacturing division of Granville offers a comprehensive range of radial deep groove ball bearings covering open, shielded, sealed, chrome steel and stainless steel materials to meet the needs of different customers.
Manufacturing Process
Granville, as a manufacturer of high-quality products, guarantees compliance with the highest standards relative to the use of the best steel quality in the production process, the highest standards in the design of contact surfaces, as well as the most efficient packing and lubrication of parts.
From material coming, quality control through all processes except internal test, goods to third party inspection if required. After the center of inspection and experiment is founded, effective methods of inspecting all kinds of row materials are mastered and then the reliability of bearings is ensured.
One of our main objectives is the continued improvement in the quality of our products and processes, in pursuit of which we obtained ISO certification 9001:2008 and TS16949.
Packing & Shipping
| Packing |
1.Industrial exporting package |
| 2.Individual plastic / carton / pallet |
| 3.As the customer's requirements |
| Delivery date |
30-60 days for normal order |
Company Profile
Granville group start in London and in order to adapt to the international market situation and enterprise development, Granville gradually oriented to global markets through resource integration, the Granville's businesses are present across five continents. We operate in four industry clusters: Components for Industry and automotive; Machine tools and mechatronics; Energy and New Materials, and Healthcare.
Comprehensive product range:
--- Bearings
--- Oil seals, Transmission belt
--- Chain and Sprocket
--- Hub assembly & Wheel bearings
--- Coupling, castings
--- Linear motion
Values
--- Behavior-based, service-oriented, focused on results and committed to continuous improvement
Focus
--- supply chain management and customer service
Advantages
1. Advanced Automatic Lines
2. Comprehensive Range
3. Premium Quality
4. Sustainability
Payment Guarantee
Platform Logistics
Inspection Service
After-Sales & Dispute Handling
Audited Supplier 
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