YRT120 Rotary Table Bearing Product Model: YRT120 Structure: rotary table bearing Inside Diameter:120 mm Outside Diameter: 210 mm Thickness: 40mm Material: 50Mn, 42CrMo YRT120 bearing can be used to the machine tool and other high precision machinery of the rotary table or sub-set,and also can be used for chuck,measuring instruments and test equipment and rotary table configuration.This bearing requires higher quality or the parts to match it.You must control screw tightening torque when install it.