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 , NAST8ZZR, NABR8, CZM8R, NAST8-2Z, STO8ZZ
| D | 24 mm | Outside diameter |
| d | 8 mm | Bore diameter |
| B | 14 mm | Width inner ring |
| C | 13.8 mm | Width outer ring |
| d1 | 17.5 mm | Outside diameter flange ring |
| e | 2.5 mm | e |
| f | 0.8 mm | f |
| h | 1.5 mm | Lubrication hole diameter |
| C | 4.13 kN | Basic dynamic load rating |
| C0 | 5.4 kN | Basic static load rating |
| Pu | 0.6 kN | Fatigue load limit |
| Fr | 7.5 kN | Maximum dynamic radial load |
| F0r | 10.8 kN | Maximum static radial load |
| nD G | 17000 r/min | Limiting speed |
| ≈m | 0.039 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 | |
| Open | Sealing type | |
| Lithium Soap Grease NLGI #2 | Grease | |
| With | Re-lubrication |
| P0(ABEC-1) | Tolerance class | |
| CN | Radial internal clearance |
| IKO・THK | NTN | KOYO | INA・SKF | FAG | Torrington |
| NAST8ZZR | NABR8 | CZM8R | NAST8-2Z | STO8ZZ | STO8ZZ |
Bearing tolerances and clearances
