| Bearing number |
D/W R1-5 R |
| Size (mm) |
7.938x2.38x2.779 |
| Bore Diameter (mm) |
7,938 |
| Outer Diameter (mm) |
2,38 |
| Width (mm) |
2,779 |
| d |
2.38 mm |
| D |
7.938 mm |
| B |
2.779 mm |
| d1 |
4.1 mm |
| D1 |
6.4 mm |
| D3 |
9.119 mm |
| C |
0.584 mm |
| r1,2 - min. |
0.15 mm |
| da - min. |
3.6 mm |
| ra - max. |
0.15 mm |
| Basic dynamic load rating - C |
0.312 kN |
| Basic static load rating - C0 |
0.088 kN |
| Fatigue load limit - Pu |
0.004 kN |
| Reference speed |
160000 r/min |
| Limiting speed |
95000 r/min |
| Calculation factor - kr |
0.03 |
| Calculation factor - f0 |
5.9 |
| d1 ≈ |
4.1 mm |
| D1 ≈ |
6.4 mm |
| r1,2 min. |
0.15 mm |
| da min. |
3.6 mm |
| ra max. |
0.15 mm |
| Basic dynamic load rating C |
0.312 kN |
| Basic static load rating C0 |
0.088 kN |
| Fatigue load limit Pu |
0.004 kN |
| Calculation factor kr |
0.03 |
| Calculation factor f0 |
5.9 |
| Mass bearing |
0.0007 kg |