| Bearing number | D/W R156 R-2ZS |
| Size (mm) | 4.762x7.938x9.119 |
| Bore Diameter (mm) | 4,762 |
| Outer Diameter (mm) | 7,938 |
| Width (mm) | 9,119 |
| d | 4,762 mm |
| D | 7,938 mm |
| B | 9,119 mm |
| C | 0,914 mm |
| D3 | 9.119 mm |
| Weight | 0,0006 Kg |
| Basic dynamic load rating (C) | 0,203 kN |
| Basic static load rating (C0) | 0,075 kN |
| Fatigue load limit (Pu) | 0,003 |
| Reference speed | 140 000 r/min |
| d1 ≈ | 5.53 mm |
| D2 ≈ | 7.3 mm |
| r1,2 min. | 0.1 mm |
| da min. | 5.4 mm |
| da max. | 5.4 mm |
| ra max. | 0.1 mm |
| Basic dynamic load rating C | 0.203 kN |
| Basic static load rating C0 | 0.075 kN |
| Fatigue load limit Pu | 0.003 kN |
| Limiting speed | 70000 r/min |
| Calculation factor kr | 0.015 |
| Calculation factor f0 | 7.6 |
| Mass bearing | 0.00061 kg |
