Structure Inner ring: It is installed in cooperation with the shaft. The raceway of the inner ring comes into contact with the rolling elements, guiding the movement of the rolling elements and bearing a part of the load. Its inner diameter size corresponds to the diameter of the shaft it is matched with. Outer ring: Usually installed in the hole of the bearing seat or mechanical components. The raceway of the outer ring also contacts with the rolling elements. Together with the raceway of the inner ring, it provides a rolling path for the rolling elements. The outer diameter of the outer ring is suitable for the size of the mounting hole. Rolling elements: Generally steel balls, which are located between the raceways of the inner and outer rings. When the bearing is in operation, the steel balls roll on the raceways of the inner and outer rings to achieve relative movement and transmit the load. Since angular contact ball bearings need to bear combined loads, the size and quantity of the steel balls are usually optimized and designed according to the bearing's load-carrying capacity and performance requirements. Cage: Its function is to evenly separate the rolling elements to prevent collisions and friction between the rolling elements. At the same time, it guides the rolling elements to roll correctly in the raceways, enabling the bearing to operate smoothly and efficiently. The material and structural form of the cage will affect the performance and service life of the bearing. Common types include metal cages and plastic cages, etc.
| Bearing Model |
Inner Diameter (mm) |
Outer Diameter (mm) |
Thickness (mm) |
Weight (kg) |
| 7315BM |
75 |
160 |
37 |
2.85 |
| 7315B |
75 |
160 |
37 |
2.85 |
| 7316BM |
80 |
170 |
39 |
3.45 |
| 7316ACM |
80 |
170 |
39 |
3.45 |
| 7317BM |
85 |
180 |
41 |
4.10 |
| 7317BT |
85 |
180 |
41 |
4.10 |
Angular contact ball bearings possess a series of outstanding characteristics, making them the irreplaceable and ideal choice in various mechanical applications:
- Exceptional Load Capacity: Angular contact ball bearings, with their unique point and line contact designs, are endowed with extraordinary load-bearing capacity. They can easily handle high radial and axial loads under harsh working conditions, especially shining in high-load application scenarios such as heavy machinery and large industrial equipment, serving as a solid foundation to ensure the stable operation of equipment.
- High-Speed Stability: The extremely small contact area between their rolling elements and the inner and outer rings significantly reduces frictional resistance. This key advantage enables angular contact ball bearings to maintain excellent stability and ensure high-precision operation at high speeds. Whether it is the precision machining of high-speed machine tools or the extremely fast operation of aero engines, angular contact ball bearings can be perfectly adapted, providing a reliable guarantee for the efficient operation of equipment.
- Automatic Self-Aligning: The special structural design endows angular contact ball bearings with excellent self-aligning performance, enabling them to automatically and accurately adjust the center lines of the shaft and the bearing housing to coincide perfectly. This feature effectively reduces vibration and noise during equipment operation, significantly improving the operation smoothness and service life of the equipment, and ensuring the smooth operation of various machinery.
- Top-Level Precision: Utilizing industry-leading processing equipment and advanced technology, angular contact ball bearings achieve extremely high precision control during the manufacturing process. This enables them to accurately ensure the operation precision and stability of machinery and equipment. In fields with extremely high precision requirements, such as aerospace and precision machine tools, angular contact ball bearings, with their excellent precision performance, become the core components to ensure the high-performance operation of equipment.
- Simple and Easy to Use: Angular contact ball bearings have a simple and efficient structure, which makes the maintenance, disassembly and assembly processes extremely convenient. This not only greatly reduces the equipment maintenance cost but also significantly improves the maintenance efficiency, saving enterprises a large amount of time and resources, ensuring that the equipment can quickly return to operation and enhancing production efficiency.
- Compact and Space-Saving: The unique compact geometric design enables angular contact ball bearings to maximize their performance in a limited space. Their small size can easily fit into small machinery and equipment with limited space, providing great convenience for the design and manufacturing of various precision equipment and miniaturized machinery, and being the ideal choice to achieve equipment compactness and high efficiency.
- Long-Lasting Lubrication: The built-in high-efficiency sealing structure, like a solid barrier, can comprehensively and effectively prevent the leakage of lubricating grease, ensuring that the internal lubrication of the bearing is always in an optimal state. This feature not only extends the lubrication cycle but also significantly reduces the maintenance frequency, providing a reliable lubrication guarantee for the long-term stable operation of the equipment, and reducing the equipment maintenance cost and downtime.
- Comprehensive Protection: The high-performance seals, like a strong armor, can effectively block the invasion of external dust, particles and liquids, providing comprehensive protection for the internal components of the bearing. This not only significantly prolongs the service life of the bearing but also enables it to operate stably in harsh working environments. Whether it is a dusty industrial site or a humid outdoor environment, angular contact ball bearings can calmly cope with it, demonstrating excellent adaptability and reliability.
- Efficient and Energy-Saving: The well-designed high-quality seals, while achieving excellent protection performance, cleverly reduce frictional resistance, ensuring the high-efficiency performance of the bearing during high-speed rotation. This innovative design not only reduces energy consumption but also improves the overall operation efficiency of the equipment, providing strong support for enterprises to achieve energy conservation, emission reduction and high-efficiency production.
- Quiet and Smooth: The advanced sealing structure not only has a strong protection function but also can effectively buffer vibration and maintain the uniform distribution of internal lubricating grease. This feature enables angular contact ball bearings to significantly reduce noise and vibration levels during operation, creating a quiet and smooth operation environment for the equipment, improving the operator's working experience and also contributing to prolonging the service life of the equipment.
With the above series of outstanding advantages, angular contact ball bearings take the lead in the fields of mechanical applications with high-speed, high-precision and high-requirement characteristics, becoming the first choice for many engineers and enterprises and a key force promoting the development of modern industry.
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