Komatsu SA12V140-1 Series Engine Factory Shop Service Repair Manual
How 280x380x100 do you find the Komatsu SA12V140-1 Series Engine Factory Shop Service Repair Manual specification? JiNan Hope Hydraulic Co., Itd Manufacturers Online Free check！
Product Details
| Bearing number | NNU 4956 B/SPW33 |
| Size (mm) | 280x380x100 |
| Bore Diameter (mm) | 280 |
| Outer Diameter (mm) | 380 |
| Width (mm) | 100 |
| d | 280 mm |
| D | 380 mm |
| B | 100 mm |
| D1 | 345.6 mm |
| F | 312 mm |
| b | 13.9 mm |
| K | 3 mm |
| r1,2 - min. | 2.1 mm |
| s | 4.5 mm |
| da - min. | 291 mm |
| da - max. | 308 mm |
| db - min. | 316 mm |
| Da - max. | 369 mm |
| ra - max. | 2 mm |
| dn | 313.5 mm |
| Basic dynamic load rating - C | 765 kN |
| Basic static load rating - C0 | 1800 kN |
| Fatigue load limit - Pu | 170 kN |
| Limiting speed for grease lubrication | 1900 r/min |
| Limiting speed for oil lubrication | 2200 mm/min |
| Gref | 384 cm |
| Category | Bearings |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Product Group | B04270 |
| r1,2 min. | 2.1 mm |
| s max. | 4.5 mm |
| da min. | 291 mm |
| da max. | 308 mm |
| db min. | 316 mm |
| Da max. | 369 mm |
| ra max. | 2 mm |
| Basic dynamic load rating C | 765 kN |
| Basic static load rating C0 | 1800 kN |
| Fatigue load limit Pu | 170 kN |
| Attainable speed for grease lubrication | 1900 r/min |
| Attainable speed for oil-air lubrication | 2200 r/min |
| Reference grease quantity Gref | 384 cm³ |
| Static radial stiffness (guideline value) | 7260 N/µm |
| Mass bearing | 32.5 kg |
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