C3 clearance (large gap) Two-part window type steel punching cage Blackless inner ring Inner ring guide type guide wheel Oil grooves and three oil holes in the outer ring Inner ring diameter (mm): 170 Outer ring diameter (mm): 260 Width (mm): 67 Operating temperature range (℃):-40至+200 准确性等级:ISO 492维度精度宽度公差 运算精度P5等级P5等级