Komatsu plate Assembly" Size Chart (mm/inches) |
|---|
| Bearing number | NNU 4952 B/SPW33 |
| Size (mm) | 260x360x100 |
| Bore Diameter (mm) | 260 |
| Outer Diameter (mm) | 360 |
| Width (mm) | 100 |
| d | 260 mm |
| D | 360 mm |
| B | 100 mm |
| D1 | 325.6 mm |
| F | 292 mm |
| b | 13.9 mm |
| K | 3 mm |
| r1,2 - min. | 2.1 mm |
| r1,2 - min. | 2.1 mm |
| s | 4.5 mm |
| da - min. | 271 mm |
| da - max. | 288 mm |
| db - min. | 296 mm |
| Da - max. | 349 mm |
| ra - max. | 2 mm |
| ra - max. | 2 mm |
| dn | 294.5 mm |
| Basic dynamic load rating - C | 748 kN |
| Basic static load rating - C0 | 1700 kN |
| Fatigue load limit - Pu | 163 kN |
| Limiting speed for grease lubrication | 2000 r/min |
| Limiting speed for oil lubrication | 2400 mm/min |
| Gref | 366 cm |
| D1 | 325.6 mm |
| r1,2 min. | 2.1 mm |
| s max. | 4.5 mm |
| da min. | 271 mm |
| da max. | 288 mm |
| db min. | 296 mm |
| Da max. | 349 mm |
| ra max. | 2 mm |
| dn | 294.5 mm |
| Basic dynamic load rating C | 748 kN |
| Basic static load rating C0 | 1700 kN |
| Fatigue load limit Pu | 163 kN |
| Attainable speed for grease lubrication | 2000 r/min |
| Attainable speed for oil-air lubrication | 2400 r/min |
| Reference grease quantity Gref | 366 cm³ |
| Static radial stiffness (guideline value) | 6830 N/µm |
| Mass bearing | 30.5 kg |