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 |