1).Material:SUJ2,Gcr15
2).Model:60000,60000-Z,60000-2RZ,etc
2).Model:60000,60000-Z,60000-2RZ,etc
1)Good interchangeability,easy installation,
2)Under heavy load,friction coefficient small,maintain the accuracy of long-term unchang
3) Easy to get a higher velocity
3) Easy to get a higher velocity