Product Description
Detailed Parameter
Typical Applications Include
Papermaking machinery
Reduction gear
Railway vehicle axles
Gearbox bearings for rolling mills
Rolling mills
Crushers
Vibrating screens
Printing machinery
Civil engineering
Reduction gears for various industries
Vertical self-aligning bearings with seats
Application Range
Application Scope of Spherical Roller Bearing
Spherical roller bearings, due to their unique design and performance characteristics, are widely used in numerous fields:
1. Industrial Machinery
- Large - scale Electric Motors: Such as generators in power plants and large - sized motors in factories. During operation, these motors generate significant axial and radial loads. Spherical roller bearings feature a double - row roller structure, enabling them to withstand substantial radial loads and a certain degree of bi - axial loads. They effectively support the motor rotor, ensuring stable motor operation and reducing vibration and noise.
- Mining Machinery: Equipment like crushers and ball mills. In the process of mining and ore processing, these machines are subjected to huge impacts and vibration loads. The self - aligning property of spherical roller bearings allows them to adapt to shaft misalignment. Even under harsh working conditions, they can guarantee the normal operation of the equipment and extend its service life.
- Paper - making Machinery: Various rollers in paper - making machines, such as press rolls and dryer rolls. During the paper - making process, the rollers need to bear complex loads from paper conveyance. Spherical roller bearings can well handle these radial and axial forces, ensuring the smooth rotation of the rollers and thus improving the quality of paper production.
2. Transportation Industry
- Railway Locomotives: Spherical roller bearings are installed on the axles of trains. In railway transportation, locomotives carry a huge weight and are subjected to complex loads caused by factors such as track irregularities during operation. With their strong load - bearing capacity and good self - aligning performance, spherical roller bearings can adapt to minor deflections of the axle during operation, ensuring the safe and stable operation of the train.
- Heavy - duty Trucks: Spherical roller bearings are often used in the wheel hubs and drive axles of trucks. Heavy - duty trucks usually need to transport large amounts of goods, and the bearings have to bear the huge pressure from the vehicle's own weight and the weight of the goods. Additionally, during driving, they also face road bumps. The high load - bearing capacity and reliability of spherical roller bearings can meet these requirements, ensuring the normal driving and safety of the truck.
3. Wind Power Generation
The main shaft and yaw system of wind turbines. The main shaft of a wind turbine needs to support the huge weight of the blades and the complex forces generated by wind loads. Spherical roller bearings can withstand these heavy loads and can, to a certain extent, compensate for shaft misalignment caused by installation errors or during operation. In the yaw system, spherical roller bearings help the wind turbine accurately align with the wind direction, ensuring that the turbine is always in the optimal power - generation state. Their good self - aligning and load - bearing performance are crucial for the stable operation of wind power generation equipment.
4. Agricultural Machinery
- Tractors: Tractors encounter complex terrains and different workloads during farm operations. Spherical roller bearings are used in their transmission systems, wheel hubs, etc. These bearings can bear the resistance from the soil, the tractor's own weight, and various forces generated during the operation of agricultural tools. They can adapt to minor deflections of the shaft under different working conditions, ensuring the reliable operation of the tractor and improving agricultural production efficiency.
- Combine Harvesters: Components such as the drums and conveying devices of combine harvesters. During the harvesting operation, these components need to bear significant loads and vibrations. The self - aligning characteristics and high load - bearing capacity of spherical roller bearings help reduce component wear and ensure the stable operation of each part of the combine harvester, enabling it to smoothly complete the harvesting task.
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The Factory
Granville
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.
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.
| Product Offering |
| Bore size |
3mm and up |
| Closures |
Open
Non-contact metallic shields
Non-contact seals
Contact seals |
| Ring Material |
52100 chrome steel
440C stainless steel
420C stainless steel |
| Seal Materiial |
Nitrile, Polyacrylic, Fluorine |
| Retainer |
Riveted steel
Crimped steel
Crowned steel
Crowned nylon |
| Precision Class |
ABEC-1, ABEC-3, ABEC-5, ABEC-7 |
| Radial Clearance |
C2, C0, C3, C4, C5 |
| Heat Stabilization |
S0, S1, S2, S3 |
Quality Control
| Advantage Manufacturing Processes and Quality Control |
| 01 |
Heat Treatment |
| 02 |
Centerless Gringing Machine 11200(most advanced) |
| 03 |
Automatic Production Lines for Raceway |
| 04 |
Automatic Production Lines for Raceway |
| 05 |
Ultrasonic Cleaning of Rings |
| 06 |
Automatic Assembly |
| 07 |
Ultrasonic Cleaning of Bearings |
| 08 |
Automatic Greasing,Seals Pressing |
| 09 |
Measurement of Bearing Vibration(Acceleration) |
| 10 |
Measurement of Bearing Vibration(speed) |
| 11 |
Laser Marking |
| 12 |
Automatic Packing |
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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