... Engineering hydraulic cylinder, Forging Machine, Construction Machinery, Car shock absorbers, Hydraulic Machinery and so on. There are many types of joint bearing ... : Such as SB type, type, GE, CF series, and the amount and type of other types of the joint bearings ... double row 6. material :chrome steel ,stainless steel,and bearing steel 7. Vibration and noisy lever : Z1,Z2 8. Tolerance Code : ...