Type Code: 3
Type code + size code
I.D.:
- 5 X -- = mm
- 5 X 5 = 25mm
- 5 X 20 = 100mm
Designs, Types and Features
- X Dimension series 320 & 329 comform W/ISO/R355
Contact angle
- C Medium contact angle 17° ~24°
- D: Steep contact angle 25° ~45° now replaced by using 313xx series
- LM: Light load symbol
- HM: Heavy load symbol
Tolerance class of tapered roller bearings
- /PO: Equivalent to AFBMA class 4
- /P6: Equivalent to AFBMA class 2
- /P5: Equivalent to AFBMA class 3
- /P4: Equivalent to AFBMA class 0
- P2£ºEquals tolorance class ABEC9
Working temperature
- DB: Back-to-back
- DF: Face-to face
- KLR:DB combination cone spacer
- KR: DF combination cup spacer
