Needle roller bearings used for general engineer
1. open type drawn cup needle roller bearing(1)
2. closed type drawn cup needle roller bearing(2)
3. needle roller bearing with inner ring(3)
4. needle roller bearing without inner ring/ needle roller bearing without inner ring and cage(4)
5. full needle roller bearing with cage or without cage(5)
Type of needle roller bearing
1. radial needle and cage component
2. NA,NKI needle roller bearing
3. RNA,NK needle roller bearing without inner ring
4. HK type drawn cup caged needle roller bearing
5. BK type drawn cup caged needle roller bearing
Metric needle roller bearing
HK,BK,F,FH,FY,MF,MFH,MFY; TA..Z,TLA..Z,TAM,TLAM,YT,YTL
Inch needle roller bearing
SCE,BCE,SCH,BCH,SN,B,BH,M,MH,;BA...Z,BHA...Z,BAM,BHAM,YB,YBH
1.RS--- single side sealed with metric system
2.2RS--- double sealed with metric system
3.P--- single side sealed with inch system
4.PP--- double sealed with inch system
5.STO--no outer wall,an inner ring roller bearing










