1. The exterior characteristics

Special NSK bearing vibration:

A. roller diameter increase, rolling body length increase.

B. maintains a raised edge from invading.this guide roller, and to reduce the power of the roller.

C. the inner ring raised edge guide roller, improve roller operation.

D. cylindrical roller bearing maintains a adopt and structure, strength greatly increased.

E. self-aligning bearing outside diameter hole groove design has the oil, lubricating the effect is good.

Ordinary FAG bearing:

A. roller body diameter and length of roller are small.

B. maintains a have roller or inner circle guide.

C. cylindrical roller bearing maintains a using rivets structure, easy to loose, off cover.

D. self-aligning bearing outside diameter hole no grease groove oil and lubrication effect is poor.

2. Selecting a material

Vibration special SKF bearing:

A. inside and outside circle and the vacuum deairing with roller bearing steel, fatigue durable good performance.

B. maintains a manganese bronze aluminum iron materials, high strength, good flexibility, wear-resisting performance is better.

Ordinary bearing:

A. inside and outside circle and roller adopts the ordinary bearing steel.

B. keep wearing USES zinc brass material, low strength, elasticity bad.

3. Heat treatment

Vibration special NTN bearing:

A. inside and outside the circle the horse mixed quenching or markov quenching and tempering high temperature, hardness even, due to the small; Good toughness and impact resistance and vibration.

B. in the 150 C temperature less than work, good stability.

Ordinary bearing:

 
Internal and external circle using common quenching mode, toughness is poor, impact resistance and vibration performance is poor, thermal stability is not good.
 



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