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- FAG B71904-C-T-P4S Bearing
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Description
- Inside Diameter: 20 mm
- Outside Diameter: 37 mm
- Width: 9 mm
- Basic dynamic load rating: 7.4 kN
- Basic static load rating: 3.2 kN
FAG B71904-C-T-P4S Bearing details
| Number | B71904-C-T-P4S | |
|---|---|---|
| Type | FAG spindle bearings, adjusted, in pairs or sets | |
| d | 20 mm | |
| D | 37 mm | |
| B | 9 mm | |
| a | 8,3 mm | |
| Da | 33,5 mm | Tolerance: H12 |
| da | 24 mm | Tolerance: h12 |
| Etk max | 27,1 mm | |
| Etk min | 26 mm | |
| Etk1 max | 27,1 mm | |
| Etk1 min | 26 mm | |
| r1 min | 0,3 mm | |
| ra max | 0,3 mm | |
| ra1 max | 0,15 mm | |
| rmin | 0,3 mm | |
| α | 15 ° | Contact angle |
| m | 0,037 kg | ≈ Mass |
| Cr | 7400 N | Basic dynamic load rating, radial |
| C0r | 3200 N | Basic static load rating, radial |
| Cur | 330 N | Fatigue limit load, radial |
| nG Fett | 43000 1/min |
Limiting speed for grease lubrication The limiting speeds are based on elastically preloaded single bearings. |
| nG Öl | 63000 1/min |
Limiting speed for minimal quantity oil lubrication The limiting speeds are based on elastically preloaded single bearings. |
| FV L | 31 N | Preload force |
| FV M | 113 N | Preload force |
| FV H | 233 N | Preload force |
| KaE L | 95 N | Lift-off force |
| KaE M | 384 N | Lift-off force |
| KaE H | 851 N | Lift-off force |
| ca L | 21,6 N/µm | Axial rigidity |
| ca M | 39,3 N/µm | Axial rigidity |
| ca H | 57,4 N/µm | Axial rigidity |
