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B7208-C-T-P4S-UL
Spindle bearing
Spindle bearing B72..-C, adjusted, in pairs or sets, contact angle α = 15°, restricted tolerances
구자재
B7208C.T.P4S.UL, B7208C.TPA.P4.UL
제품 정보
Main Dimensions & Performance Data
| d | 40 mm | Bore diameter |
| D | 80 mm | |
| B | 18 mm | |
| Cr | 32,500 N | Basic dynamic load rating, radial |
| C0r | 16,100 N | Basic static load rating, radial |
| Cur | 1,700 N | Fatigue load limit, radial |
| nG Grease | 18,000 1/min | Limiting speed for grease lubrication |
| nG Oil | 30,000 1/min | Limiting speed for oil lubrication |
| ≈m | 0.36 kg | 중량 |
Mounting dimensions
| da | 48 mm | Diameter shaft shoulder |
| da | h12 | Diameter shaft shoulder clearance |
| Da | 72 mm | |
| Da | H12 | |
| ra max | 1 mm | Maximum recess radius |
| ra1 max | 0.6 mm | Maximum recess radius |
| Etk min | 53.4 mm | |
| Etk max | 57.2 mm | Maximum diameter injection pitch |
| Etk1 min | 53.4 mm | |
| Etk1 max | 57.2 mm | Maximum diameter injection pitch |
| a | 17 mm | Distance between the apexes of the pressure cones |
Dimensions
| rmin | 1.1 mm | Minimum chamfer dimension |
| r1 min | 1.1 mm | |
| α | 15 ° | Contact angle |
Temperature range
| Tmin | -30 °C | |
| Tmax | 100 °C |
Additional information
| FV L | 175 N | |
| FV M | 566 N | |
| FV H | 1,128 N | |
| KaE L | 544 N | Lift-off force light |
| KaE M | 1,920 N | Lift-off force medium |
| KaE H | 4,102 N | Lift-off force heavy |
| ca L | 49 N/µm | Axial rigidity light |
| ca M | 85 N/µm | Axial rigidity medium |
| ca H | 122 N/µm | Axial rigidity heavy |