主动轴润滑脂密封挡圈
drive shaft grease seal retainer
固体润滑滑动轴承
bearing with solid lubricant
自润滑滑动轴承
self lubricating sliding bearings
Self-lubricating Bearing
Self-lubricated sleeve bearing
润滑脂润滑管线连接体
grease line junction block
抽水蓄能电站主轴密封
main shaft seal in pumped storage power station
浮动环式主轴密封
Shaft Seal of Floating-ring Type
精密主轴轴承
precision spindle bearing
温控式主轴润滑装置
temperature controlled spindle lubricating unit