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B71956-C-T-P4S-UL
Spindle bearing
Spindle bearing B719..-C, adjusted, in pairs or sets, contact angle α = 15°, restricted tolerances
Replaces
B71956C.T.P4S.UL
Main Dimensions & Performance Data
| d | 280 mm | Bore diameter |
| D | 380 mm | Outside diameter |
| B | 46 mm | Width |
| Cr | 305,000 N | Basic dynamic load rating, radial |
| C0r | 320,000 N | Basic static load rating, radial |
| Cur | 18,500 N | Fatigue load limit, radial |
| nG Grease | 3,200 1/min | Limiting speed for grease lubrication |
| nG Oil | 5,000 1/min | Limiting speed for oil lubrication |
| ≈m | 13.8 kg | Weight |
Mounting dimensions
| da | 298 mm | Diameter shaft shoulder |
| da | h12 | Diameter shaft shoulder clearance |
| Da | 362 mm | Shoulder diameter outer ring |
| Da | H12 | Shoulder diameter outer ring clearance |
| ra max | 1 mm | Maximum recess radius |
| ra1 max | 1 mm | Maximum recess radius |
| Etk min | 310.9 mm | Minimum diameter injection pitch |
| Etk max | 321.2 mm | Maximum diameter injection pitch |
| Etk1 min | 310.9 mm | Minimum diameter injection pitch |
| Etk1 max | 321.2 mm | Maximum diameter injection pitch |
| a | 67.2 mm | Distance between the apexes of the pressure cones |
Dimensions
| rmin | 2.1 mm | Minimum chamfer dimension |
| r1 min | 1.1 mm | Minimum chamfer dimension |
| α | 15 ° | Contact angle |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 100 °C | Operating temperature max. |
Additional information
| FV L | 1,696 N | Preload force light |
| FV M | 5,491 N | Preload force medium |
| FV H | 11,113 N | Preload force heavy |
| KaE L | 5,134 N | Lift-off force light |
| KaE M | 17,744 N | Lift-off force medium |
| KaE H | 38,073 N | Lift-off force heavy |
| ca L | 236 N/µm | Axial rigidity light |
| ca M | 392 N/µm | Axial rigidity medium |
| ca H | 551 N/µm | Axial rigidity heavy |
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