Detailed description
1.Kinds of single row tapered roller bearing ,double row tapered roller bearing ,four row tapered roller bearing..
2.Dimensions rage: inter diameter 15mm~~outer diameter 380mm
3.Basic types :30000,31000,32000,33000, and so on.
4.Clearance :C2,C3,C4
5.Application :wheel,large size agriculture machinery,main shaft of machine tool, decelerationg device of railway gear box, roll machine and so on









