滑动密封轴承  friction sealed bearing

全密封自动润滑轴承  fully sealed & self-lubricated bearing

固体润滑滑动轴承  bearing with solid lubricant

滑动轴承轴瓦  plain bearing bush

水润滑滑动轴承  Water-lubricated Bearing

自动滑动轴承  self adjustable sliding bearing; self-adjustable sliding bearing

自润滑滑动轴承  self lubricating sliding bearings; Self-lubricating Bearing; Self-lubricated sleeve bearing

泵传动轴密封  pump drive shaft seal

端面密封密封连接  face seal seal joint

非密封轴承  non-sealed bearing

高压密封轴承  high pressure tight bearing

滑动密封  sliding seal

密封轴承  sealed bearings; sealing bearing; stuffing box bearing; sealed bearing

密封轴承牙轮钻头  sealed bearing rock bit

密封轴承钻头  seal packer

面式机械轴承密封  face-type mechanical shaft seal

曲径式密封轴承  labyrinth bearing

小齿轮轴承密封垫  pinion bearing seal

压盖密封密封装置  gland seal