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B7218-C-T-P4S-UL
Spindle bearing
Spindle bearing B72..-C, adjusted, in pairs or sets, contact angle α = 15°, restricted tolerances
Replaces
B7218C.T.P4S.UL, B7218C.TPA.P4.UL
Product information
Metric
Imperial
Main Dimensions & Performance Data
| d | 90 mm | Bore diameter |
| D | 160 mm | Outside diameter |
| B | 30 mm | Width |
| Cr | 125.000 N | Basic dynamic load rating, radial |
| C0r | 75.000 N | Basic static load rating, radial |
| Cur | 7.100 N | Fatigue load limit, radial |
| nG Grease | 8.500 1/min | Limiting speed for grease lubrication |
| nG Oil | 14.000 1/min | Limiting speed for oil lubrication |
| ≈m | 2,154 kg | Weight |
Mounting dimensions
| da | 104 mm | Diameter shaft shoulder |
| da | h12 | Diameter shaft shoulder clearance |
| Da | 147 mm | Shoulder diameter outer ring |
| Da | H12 | Shoulder diameter outer ring clearance |
| ra max | 2 mm | Maximum recess radius |
| ra1 max | 1 mm | Maximum recess radius |
| Etk min | 112,1 mm | Minimum diameter injection pitch |
| Etk max | 120 mm | Maximum diameter injection pitch |
| Etk1 min | 112,1 mm | Minimum diameter injection pitch |
| Etk1 max | 120 mm | Maximum diameter injection pitch |
| a | 31,8 mm | Distance between the apexes of the pressure cones |
Dimensions
| rmin | 2 mm | Minimum chamfer dimension |
| r1 min | 2 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 | 732 N | Preload force light |
| FV M | 2.280 N | Preload force medium |
| FV H | 4.513 N | Preload force heavy |
| KaE L | 2.267 N | Lift-off force light |
| KaE M | 7.640 N | Lift-off force medium |
| KaE H | 16.156 N | Lift-off force heavy |
| ca L | 109 N/µm | Axial rigidity light |
| ca M | 183 N/µm | Axial rigidity medium |
| ca H | 260 N/µm | Axial rigidity heavy |
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