Bearing tolerances and clearances
- Tolerances: Normal, Other,
- Radial Internal clearance: Needle roller bearing
Support roller (yoke-type track roller), separable, with cage, with two side plates, open, crowned outer profile, sealed, CZM20UUR
D | 47 mm | Outside diameter |
d | 20 mm | Bore diameter |
B | 16 mm | Width inner ring |
C | 15.8 mm | Width outer ring |
d1 | 38 mm | Outside diameter flange ring |
e | 3 mm | e |
f | 1 mm | f |
h | 2.5 mm | Lubrication hole diameter |
C | 16.1 kN | Basic dynamic load rating |
C0 | 21.2 kN | Basic static load rating |
Pu | 2.5 kN | Fatigue load limit |
Fr | 18.6 kN | Maximum dynamic radial load |
F0r | 26.5 kN | Maximum static radial load |
nD G | 5950 r/min | Limiting speed |
≈m | 0.195 kg | Weight |
-30 ºC to +120 ºC | Temperature range °C | |
-22 ºF to +250 ºF | Temperature range °F |
Crowned | Outer ring profile | |
Needle rollers | Rolling elements | |
1 | Number of rows | |
With | Axial guidance of outer ring | |
GCr15 (52100, 100Cr6) | Ring and roller material | |
Sheet steel | Cage material | |
Contact | Sealing type | |
Lithium Soap Grease NLGI #2 | Grease | |
With | Re-lubrication |
P0(ABEC-1) | Tolerance class | |
CN | Radial internal clearance |
IKO・THK | KOYO |
NAST20ZZUUR | CZM20UUR |
Bearing tolerances and clearances