Type Code:
I.D.:
- 5 X -- = mm
- 5 X 12 = 60mm
- 5 X 20 = 100mm
- 5 X 36 = 180mm
I.D.:
- 0: N 1000
- 2: N 200
- 2: N 2200
- 3: N 300
- 3: N 2300
- 4: N 400
Tolerance class
- /P0: Equals tolerance class ABEC1
- /P6: Equals tolerance class ABEC3
- /P5: Equals tolerance class ABEC5
- /P4: Equals tolerance class ABEC7
Working temperature
- /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
Designs, Types and Features
- E: reinforced structure
- M: brass solid retainer
- L1: aluminum alloy retainer
- Q1: Al-Fe bronze retainer
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
- /W33: a lubricating groove and three lubricating holes on the outer race
