Common bearings:

A. roller diameter and the length of the rolling elements are small.

B. cage is with roller, inner guidance.

C. cylindrical roller bearing cage structure with rivets, is easily loose out cover.

D. Spherical bearing no tank hole diameter, poor lubrication.

(2) selection of materials

Special bearing vibration:

A. inside and outside the ring and rolling element bearings using vacuum degassed steel, resistant to fatigue performance.

B. Cage manganese aluminum bronze materials, high strength, good elasticity, wear resistance and better.

Common bearings:

A. inside and outside the ring and rolling element bearings using ordinary steel.

B. cage using zinc brass, low intensity, and poor flexibility.






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