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B7211-E-T-P4S-UL
Spindle bearing
Spindle bearing B72..-E, adjusted, in pairs or sets, contact angle α = 25°, restricted tolerances
구자재
B7211E.T.P4S.UL, B7211E.TPA.P4.UL
제품 정보
Main Dimensions & Performance Data
| d | 55 mm | Bore diameter |
| D | 100 mm | |
| B | 21 mm | |
| Cr | 45,000 N | Basic dynamic load rating, radial |
| C0r | 25,000 N | Basic static load rating, radial |
| Cur | 2,650 N | Fatigue load limit, radial |
| nG Grease | 13,000 1/min | Limiting speed for grease lubrication |
| nG Oil | 20,000 1/min | Limiting speed for oil lubrication |
| ≈m | 0.612 kg | 중량 |
Mounting dimensions
| da | 63 mm | Diameter shaft shoulder |
| da | h12 | Diameter shaft shoulder clearance |
| Da | 92 mm | |
| Da | H12 | |
| ra max | 1.5 mm | Maximum recess radius |
| ra1 max | 0.6 mm | Maximum recess radius |
| Etk min | 69.9 mm | |
| Etk max | 74.3 mm | Maximum diameter injection pitch |
| Etk1 min | 69.9 mm | |
| Etk1 max | 74.3 mm | Maximum diameter injection pitch |
| a | 28.6 mm | Distance between the apexes of the pressure cones |
Dimensions
| rmin | 1.5 mm | Minimum chamfer dimension |
| r1 min | 1.5 mm | |
| α | 25 ° | Contact angle |
Temperature range
| Tmin | -30 °C | |
| Tmax | 100 °C |
Additional information
| FV L | 378 N | |
| FV M | 1,321 N | |
| FV H | 2,767 N | |
| KaE L | 1,103 N | Lift-off force light |
| KaE M | 3,991 N | Lift-off force medium |
| KaE H | 8,652 N | Lift-off force heavy |
| ca L | 155 N/µm | Axial rigidity light |
| ca M | 249 N/µm | Axial rigidity medium |
| ca H | 339 N/µm | Axial rigidity heavy |