Komatsu 175-63-12120 rod Size Chart (mm/inches) |
|---|
| Bearing number | NJ 2248 MA |
| Size (mm) | 440x240x120 |
| Bore Diameter (mm) | 440 |
| Outer Diameter (mm) | 240 |
| Width (mm) | 120 |
| d | 240 mm |
| D | 440 mm |
| B | 120 mm |
| d1 | 313 mm |
| D1 | 365 mm |
| F | 295 mm |
| r1,2 - min. | 4 mm |
| s | 4.3 mm |
| da - min. | 257 mm |
| da - max. | 284 mm |
| db - min. | 317 mm |
| Da - max. | 423 mm |
| ra - max. | 3 mm |
| Basic dynamic load rating - C | 1450 kN |
| Basic static load rating - C0 | 2360 kN |
| Fatigue load limit - Pu | 224 kN |
| Reference speed | 1500 r/min |
| Limiting speed | 2200 r/min |
| Calculation factor - kr | 0.2 |
| d1 ≈ | 313 mm |
| D1 ≈ | 365 mm |
| r1,2 min. | 4 mm |
| s max. | 4.3 mm |
| da min. | 257 mm |
| da max. | 284 mm |
| db min. | 317 mm |
| Da max. | 423 mm |
| ra max. | 3 mm |
| Basic dynamic load rating C | 1450 kN |
| Basic static load rating C0 | 2360 kN |
| Fatigue load limit Pu | 224 kN |
| Calculation factor kr | 0.2 |
| Limiting value e | 0.3 |
| Axial load factor Y | 0.4 |
| Mass bearing | 86 kg |