Cylindrical roller bearings
Item #1
Item #3
Item #4
Item #5
Cylindrical roller bearings
Primarily used in precision machinery.
Size designation:
- 5 X — = mm
- 5 X 12 = 60mm
- 5 X 20 = 100mm
- 5 X 36 = 180mm
ID:
- 0: N 1000
- 2: N 200
- 2: N 2200
- 3: N 300
- 3: N 2300
- 4: N 400
Noise & vibration grade
- Adhere to vibration standard value of V1
- Adhere to vibration standard value of V2
- Adhere to vibration standard value of V3
- Standard electric motor quality
- Standard EMQ quiet running
- Special EMQ exceptionally quiet running
Tolerance class:
- /P0: Equals tolerance class ABEC1
- /P6: Equals tolerance class ABEC3
- /P5: Equals tolerance class ABEC5
- /P4: Equals tolerance class ABEC7
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
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