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
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
高压密封轴承
high pressure tight bearing
面式机械轴承密封
face-type mechanical shaft seal