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18:15:21 GMT+0000 (Coordinated Universal Time)
B7217-E-T-P4S-UL
Spindle bearing
Spindle bearing B72..-E, adjusted, in pairs or sets, contact angle α = 25°, restricted tolerances
Replaces
B7217E.T.P4S.UL, B7217E.TPA.P4.UL
Product information
Main Dimensions & Performance Data
| d | 85 mm | Bore diameter |
| D | 150 mm | Outside diameter |
| B | 28 mm | Width |
| Cr | 93,000 N | Basic dynamic load rating, radial |
| C0r | 57,000 N | Basic static load rating, radial |
| Cur | 5,500 N | Fatigue load limit, radial |
| nG Grease | 8,000 1/min | Limiting speed for grease lubrication |
| nG Oil | 13,000 1/min | Limiting speed for oil lubrication |
| ≈m | 1.782 kg | Weight |
Mounting dimensions
| da | 98 mm | Diameter shaft shoulder |
| da | h12 | Diameter shaft shoulder clearance |
| Da | 138 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 | 106.6 mm | Minimum diameter injection pitch |
| Etk max | 113.2 mm | Maximum diameter injection pitch |
| Etk1 min | 106.6 mm | Minimum diameter injection pitch |
| Etk1 max | 113.2 mm | Maximum diameter injection pitch |
| a | 41.5 mm | Distance between the apexes of the pressure cones |
Dimensions
| rmin | 2 mm | Minimum chamfer dimension |
| r1 min | 2 mm | Minimum chamfer dimension |
| α | 25 ° | Contact angle |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 100 °C | Operating temperature max. |
Additional information
| FV L | 864 N | Preload force light |
| FV M | 2,869 N | Preload force medium |
| FV H | 5,921 N | Preload force heavy |
| KaE L | 2,520 N | Lift-off force light |
| KaE M | 8,657 N | Lift-off force medium |
| KaE H | 18,466 N | Lift-off force heavy |
| ca L | 233 N/µm | Axial rigidity light |
| ca M | 369 N/µm | Axial rigidity medium |
| ca H | 497 N/µm | Axial rigidity heavy |