Cranes ; bottom blocks ; type d rope pulleys with plain bearings 起重机.下滑车.带滑动轴承的d型绳索轮
2.
Cranes ; bottom blocks ; type a rope pulleys with cylindrical rolling bearing and internal sleeve 起重机.下滑车.带圆柱形滚动轴承和内套筒的a型绳索轮
3.
Cranes ; bottom blocks ; sealing covers for type b rope pulleys with deep groove ball bearing and internal sleeve 起重机.下滑车.带深滚道滚珠轴承和内套筒的b型绳索轮
4.
Cranes ; bottom blocks ; sealing covers for type a rope pulleys with cylindrical rolling bearing and internal sleeve 起重机.下滑车.带圆柱形滚动轴承和内套筒的a型绳索轮
5.
Cranes ; bottom blocks ; internal sleeves and spacer sleeves for type b rope pulleys with deep groove ball bearing and internal sleeve 起重机.下滑车.带深滚道滚珠轴承和内套筒的b型绳索轮
6.
Cranes ; bottom blocks ; internal sleeves and spacer sleeves for type a rope pulleys with cylindrical rolling bearing and internal sleeve 起重机.下滑车.带圆柱形滚动轴承和内套筒的a型绳索轮
