L.D.:
- 5 X -- = mm
- 5 X 08 = 40mm
- 5 X 20 = 100mm
Internal structure and retainer material change
- C: symmetrical roller, stamped steel retainer
- Ca: symmetrical roller, one-piece brass retainer
- Mb: symmetrical roller, two-piece brass retainer
- CTN1: symmetrical roller, nylon retainer
- K: tapered bore bearing, taper is 1:12
- K30: tapered bore bearing, taper is 1:30
- /W33: a lubricating groove and three lubricating holes on the outer race
Clearance:
- /C2: Less than nominal clearance
- /C0: Nominal clearance, omitted in designation
- /C3: Larger clearance than C0
- /C4: Larger clearance than C3
- /C5: Larger clearance than C4
Working temperature
- /S0: Working temperature is up to 150°C
- /S1: Working temperature is up to 200°C
- /S2: Working temperature is up to 250°C
- /S3: Working temperature is up to 300°C
- /S4: Working temperature is up to 350°C