A.后挡
B.密封座
C.密封罩
D.前盖

A.1
B.0.5
C.0.4
D.0.3

A.前盖
B.轴端螺栓
C.后挡
D.滚子

A.1
B.5
C.9
D.15

A.轮位差
B.盘位差
C.轮对内侧距
D.制动盘中心距

A.50mm
B.45mm
C.40mm
D.38mm

A.320mm
B.340mm
C.350mm
D.330mm

A.180
B.170
C.186
D.176

A.材质不均
B.车轮杂质、夹砂过多
C.检修时辐板孔未探伤
D.同轴两车轮直径差超限

A.210mm
B.205mm
C.230mm
D.228mm

A.轴承装配不当或游隙过小
B.过载
C.润滑不良
D.以上都是