| Bearing number |
NJ424 |
| Size (mm) |
120x310x72 |
| Bore Diameter (mm) |
120 |
| Outer Diameter (mm) |
310 |
| Width (mm) |
72 |
| d |
120 mm |
| Fw |
170 mm |
| D |
310 mm |
| B |
72 mm |
| C |
72 mm |
| r min. |
5 mm |
| r1 min. |
5 mm |
| Weight |
28.0 Kg |
| Basic dynamic load rating (C) |
690 kN |
| Basic static load rating (C0) |
770 kN |
| (Grease) Lubrication Speed |
1900 r/min |
| Bearing No. |
NJ424 |
| r(min) |
5 |
| r1(min) |
5 |
| Cr |
841 |
| C0r |
770 |
| Cu |
98.7 |
| Grease lub. |
1900 |
| Oil lub. |
2600 |
| Ew |
- |
| d1 |
- |
| B1 |
- |
| B2 |
- |
| da(min) |
- |
| db(min) |
140 |
| db(max) |
168 |
| dc(min) |
- |
| dd(min) |
- |
| Da(max) |
290 |
| Db(max) |
- |
| Db(min) |
- |
| ra(max) |
4 |
| rb(max) |
4 |
| (Refer.)Mass(kg) |
28.5 |