| Bearing number | D/W R4A-2RS1 |
| Size (mm) | 19.05x6.35x7.142 |
| Bore Diameter (mm) | 19,05 |
| Outer Diameter (mm) | 6,35 |
| Width (mm) | 7,142 |
| d | 6.35 mm |
| D | 19.05 mm |
| B | 7.142 mm |
| d2 | 8.5 mm |
| D2 | 16.5 mm |
| r1,2 - min. | 0.4 mm |
| da - min. | 8.4 mm |
| Da - max. | 16.6 mm |
| ra - max. | 0.4 mm |
| Basic dynamic load rating - C | 1.5 kN |
| Basic static load rating - C0 | 0.585 kN |
| Fatigue load limit - Pu | 0.025 kN |
| Limiting speed | 24000 r/min |
| Calculation factor - kr | 0.025 |
| Calculation factor - f0 | 7.9 |
| d2 ≈ | 8.5 mm |
| D2 ≈ | 16.5 mm |
| r1,2 min. | 0.4 mm |
| da min. | 8.4 mm |
| da max. | 8.4 mm |
| Da max. | 16.6 mm |
| ra max. | 0.4 mm |
| Basic dynamic load rating C | 1.53 kN |
| Basic static load rating C0 | 0.585 kN |
| Fatigue load limit Pu | 0.025 kN |
| Calculation factor kr | 0.025 |
| Calculation factor f0 | 7.9 |
| Mass bearing | 0.009 kg |
