What are the angular contact ball bearing angle?

Different angular contact ball bearing angle can bear radial load and axial load at the same time.Able to work at higher speed.The greater the angular contact ball bearing angle, the higher the axial bearing capacity.High-precision and high-speed bearings usually take 15 degrees contact Angle.Under the action of axial force, the contact Angle will increase.
What are the angular contact ball bearing angle?
A: standard contact Angle of 30°
A5: standard contact Angle 25° some brands call A5 Angle AC Angle
B: the standard contact Angle is 40°
C: standard contact Angle 15°

How to maintain different angular contact ball bearing angle?
1. When the angular contact ball bearing angle runs to a certain period (or maintenance period), remove all the bearings;
2, with the cleaning of diesel or kerosene immersion cleaning bearing, if there is a technical condition, it is best to open the sealing cover cleaning;
3. Empty and dry the cleaning oil after cleaning, and check the appearance for any damage;
4. Fix a angular contact ball bearing at one end with a wood rod (preferably a hollow tube) with a diameter of 150mm or so that is in angular contact with the inner diameter of the ball bearing;

5. While rapidly rotating the bearing by hand, push the other end of the wooden rod (wood tube) against the ear or the microphone of the audio amplifier to detect and listen to the bearing rotation noise;
6. After fixing the bearing, move the wood bar horizontally to check whether the bearing is worn and loose;
7. Angular contact ball bearing angle with serious looseness, excessive rotation noise and serious defect should be eliminated and replaced by the same type;
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