SKF RNA4912 needle roller bearings
| Brand Name: | SKF |
| Model Number: | RNA4912 |
| Dimension series: | 2GB |
| d: | 120 mm |
| D: | 260 mm |
| T: | 59.5 mm |
| d1 ≈: | 178.98 mm |
| B: | 55 mm |
| C: | 46 mm |
| r1,2 min.: | 4 mm |
| PDF |
RNA4912 |
Product Details
| Dimension series | 2GB |
| d | 120 mm |
| D | 260 mm |
| T | 59.5 mm |
| d1 ≈ | 178.98 mm |
| B | 55 mm |
| C | 46 mm |
| r1,2 min. | 4 mm |
| r3,4 min. | 3 mm |
| a | 47.2 mm |
| da max. | 153 mm |
| db min. | 136.5 mm |
| Da min. | 221 mm |
| Da max. | 246.5 mm |
| Db min. | 237 mm |
| Ca min. | 8 mm |
| Cb min. | 13.5 mm |
| ra max. | 4 mm |
| rb max. | 3 mm |
| Basic dynamic load rating C | 601 kN |
| Basic static load rating C0 | 710 kN |
| Fatigue load limit Pu | 73.5 kN |
| Reference speed | 2000 r/min |
| Limiting speed | 2600 r/min |
| Calculation factor e | 0.35 |
| Calculation factor Y | 1.7 |
| Calculation factor Y0 | 0.9 |
| Mass bearing | 13.7 kg |
