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 , NAST40ZZR, NABR40, CZM40R, NAST40-2Z, STO40ZZ
| D | 80 mm | Outside diameter |
| d | 40 mm | Bore diameter |
| B | 20 mm | Width inner ring |
| C | 19.8 mm | Width outer ring |
| d1 | 61.5 mm | Outside diameter flange ring |
| e | 4 mm | e |
| f | 1.2 mm | f |
| h | 3 mm | Lubrication hole diameter |
| C | 23.8 kN | Basic dynamic load rating |
| C0 | 39 kN | Basic static load rating |
| Pu | 4.75 kN | Fatigue load limit |
| Fr | 34.5 kN | Maximum dynamic radial load |
| F0r | 49 kN | Maximum static radial load |
| nD G | 4000 r/min | Limiting speed |
| ≈m | 0.71 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 |
| NAST40ZZR | NABR40 | CZM40R | NAST40-2Z | STO40ZZ | STO40ZZ |
Bearing tolerances and clearances
