Taper hole with inner diameter of 1:30 tapered ratio C3 clearance (large gap) Two-divided window type steel punching cage Breathless inner ring Inner ring guide wheel Oil grooves and three oil holes in outer ring Inner ring diameter (mm): 200 Outer ring diameter (mm): 310 Width (mm):109 工作温度范围(℃):-40至+200 准确级:ISO 492维度精度宽度公差 收费准确度P5等级P5级