Detailed Product Description

Materials:Sillcon nitride
Diameter:1/64"-5/4"
Precision:G3-G20

Applicable to: bearings,high-speed operation of machinery,

lubrication difficult environment and so on.

1)Has elastic modulus 50% larger than that of steel

2)60% lighter than steel

3)Coefficient of thermal expansion is only one third of that of steel

4)Lower friction coefficient,rolls more freely

5)High-temperature hardness is twice than that of stee

6)Better corrosion resistant than steel

7)Superior surface finish

8)Never rust,and can roll without oil or grease