Angular contact ball bearing is a common type of rolling bearing. The basic angular bearings consists of an outer side, an inner hole, a set of bearing steel balls and a set of ball bearings. There are two types of angular contact ball bearings: row entry and double row. The row item angular contact ball bearing number is 6, and the double row angular contact ball bearing number is 4. Its structure is simple and practical, and it is a more common and widely used bearing.
Principle of angular contact ball bearing: angular bearings mainly bears axial load, but can also bear axial load and radial load. When it only bears the axial load, the interfacial tension is zero. When the axial backlash of angular contact ball bearing is large, it has the characteristics of angular contact bearing and can bear large radial load.
Angular bearings structure: angular bearings structure is simple, compared with other types, it is convenient to achieve higher manufacturing precision, which is conducive to mass production, and the manufacturing cost is also low. This type also has various shape modification structures such as: Angular Contact Ball Bearing with Seal Cover, Angular Contact Ball Bearing with Silicone Seal, Angular Contact Ball Bearing with Stop Groove, Steel Ball Groove Bearing with Stop Groove, Double Row of angular contact ball bearings.
Features of Angular Contact Ball Bearings
1. Simple structure
The structure and composition of angular contact ball bearings are relatively simple, which are embodied in the following aspects: first, in terms of shape, the shape of angular contact ball bearings is similar to that of deep groove ball bearings, one ring has only one rib, and the other side is a slope; It is the cage of the bearing. The cage of the angular contact ball bearing is solid or stamped, and does not require rivets; it can also be seen from these two aspects that although the structure of the angular contact ball bearing is simple, the strength has not been reduced.
2. High limit speed
The limit speed of angular contact ball bearings is relatively high. Under the same working intensity, the limit speed of angular contact ball bearings can be higher than other types of bearings of the same size. This is one of the main reasons why it has a wide range of uses in many fields.
3. The friction torque is relatively small
The friction torque of the bearing is usually affected by the thermal displacement of the bearing. Generally, as the thermal displacement of the bearing increases, the friction torque of the bearing will also increase accordingly. The manifestation is that the increase of the radial thermal displacement is slightly faster than the increase of the axial displacement. Some, but the overall increase, and the angular contact ball bearing is limited due to the design of the thermal displacement of the bearing, so its friction torque is relatively small.
4. Can bear radial and axial loads at the same time
The axial direction refers to the axial direction of the shaft, and the radial direction perpendicular to it is the radial direction of the shaft. Therefore, the axial load of the bearing refers to the load generated in the axial direction of the bearing. In layman's terms, it is the force that pushes the inner ring of the bearing out of the outer ring.
5. Large dynamic and static load capacity
The characteristics of angular contact ball bearings are usually compared with those of deep groove ball bearings. In contrast, on the same size, the dynamic and static load capacity of angular contact ball bearings will be larger.
6. High rotation precision and low noise
The rotation accuracy of angular contact ball bearings is relatively high, and the noise during operation will be relatively small. This is what people who use bearings prefer and appreciate, and these advantages also make angular contact bearings in food machinery, machine tool spindles, etc. Wide range of uses.
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