good price linear bearing shaft WDCS30
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linear bearing shaft series :
1): low noise and price .
2):Material:GCr15, Bearing steel .
Shaft
A:Diameter:from 3 to 150 mm
B:Material:GCr15,CK45,stainless steel
C:Tolerance:G6.H6.H7
D:Hardness:HRC62+-2.