How does the angular contact ball bearing distinguish the angle

Most of the single row angular contact ball bearings are non-separable angular contact ball bearings. The ferrule groove has a lock, and the two ferrules cannot be separated. According to the contact angle, the scope of application is also different. The larger the contact angle, the greater the axial load accepted. Next, I will explain to you how to divide the angle of the angular contact ball bearing.

1. The contact angle is 15 degrees

The model of the angular contact ball bearing is 70000C. The angular contact ball bearing can bear radial load and axial load at the same time, and can work at a higher speed. The codes and meanings of angular contact ball bearings represented by different contact angles are also different. Commonly used high-precision and high-speed bearings usually have a contact angle of 15 degrees, mainly angular contact ball bearings that accept radial forces and small local axial forces.

2. The contact angle is 25 degrees

The model of the angular contact ball bearing is 70000AC type. The angular contact ball bearing mainly bears a large one-way axial load. The larger the contact angle, the greater the load capacity. NSK specially manufactures such bearings with a contact angle of 25°, denoted by A5, and some brands call the A5 angle an AC angle.

3. The contact angle is 30 degrees

Single row angular contact ball bearings can only bear axial load in one direction. When bearing radial load, additional axial force will be generated, and the corresponding reverse load must be applied. Therefore, this kind of bearings are usually used in pairs (overview It can be seen: why angular contact ball bearings are used in pairs). Double row angular contact ball bearings can accept large radial and axial bidirectional combined loads and moment loads mainly based on radial loads. It can limit the bidirectional axial displacement of the shaft or housing. The contact angle is 30 degrees. Angular contact balls The model of the bearing is 70000A type.

4. The contact angle is 40 degrees

The contact ball bearing has a high limit speed and can bear radial load and axial load at the same time, and can also bear pure axial load. The axial load capacity is determined by the contact angle and increases with the increase of the contact angle. The contact angle of the angular contact ball bearing is 40 degrees, and the model of the angular contact ball bearing is 70000B, so it can bear a large axial load and is suitable for the place where the equipment is installed vertically.