BY-1 (DU) self-lubricating rolled bushing
BY-2 (DX) boundary self-lubricating bushing
BY-3 bimetal bushing
BY-4 bronze rolled bushing
BY-5 (500 #) solid lubrication bearing
BY-7 steel back lubricated decentralized bearing
BY-6 engineering plastic bearing
BY-8 steel cast copper self-lubricating bearing
BY-9 spring steel bushing