Bearing tolerances and clearances
- Tolerances: Normal, P6, P5
- Internal clearance: Single row track rollers, Double row track rollers
Roller CR20BE for commerical CR20 rails, eccentric, two contact seals, crowned OD
| CR Roller for CR rails | Roller name | |
| Eccentric | Adjustability | |
| Crowned | Profile of running surface |
| D | 14 mm | Roller diameter |
| C | 4 mm | Roller width |
| B | 8.9 mm | Overall width |
| B1 | 2.9 mm | Width mounting surface to outer ring end face |
| d1 | 7.35 mm | Shoulder diameter inner ring |
| g | M3 | Thread size |
| Cr | 280 N | Dynamic load rating |
| C0r | 210 N | Load capacity radial |
| C0a | 160 N | Load capacity axial |
| ≈m | 4 g | Weight |
| 52100 | 100Cr6 | GCr15 | Ring and ball material | |
| Steel | Retainer material | |
| Seals | Sealing solution | |
| SINOPEC 7014 | Grease | |
| -20°C to +120°C | Temperature range °C | |
| -4°F to +248°F | Temperature range °F |
| P6 (ABEC-3) | Tolerance | |
| P5 (ABEC-5) | Radial run-out | |
| 0.006~0.012 | Radial clearance |
| 20 | For rail size | |
| CR20R | For rails | |
| CR20 | For sliders |
| DIN 912 8.8 | Screw standard | |
| M3 | Screw size | |
| NM | 7 Nm | Torgue (NM) |
| PBC Linear |
| CR20BE |
Bearing tolerances and clearances
