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Stany Zjednoczone
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B7204-E-T-P4S-UL
Spindle bearing
Spindle bearing B72..-E, adjusted, in pairs or sets, contact angle α = 25°, restricted tolerances
Zastępuje
B7204E.T.P4S.UL, B7204E.TPA.P4.UL
Main Dimensions & Performance Data
| d | 20 mm | Bore diameter |
| D | 47 mm | |
| B | 14 mm | |
| Cr | 16.500 N | Basic dynamic load rating, radial |
| C0r | 7.700 N | Basic static load rating, radial |
| Cur | 810 N | Fatigue load limit, radial |
| nG Grease | 30.000 1/min | Limiting speed for grease lubrication |
| nG Oil | 45.000 1/min | Limiting speed for oil lubrication |
| ≈m | 100 g | Masa |
Mounting dimensions
| da | 26,5 mm | Diameter shaft shoulder |
| da | h12 | Diameter shaft shoulder clearance |
| Da | 40,5 mm | |
| Da | H12 | |
| ra max | 1 mm | Maximum recess radius |
| ra1 max | 0,3 mm | Maximum recess radius |
| Etk min | 29,6 mm | |
| Etk max | 31,7 mm | Maximum diameter injection pitch |
| Etk1 min | 29,6 mm | |
| Etk1 max | 31,7 mm | Maximum diameter injection pitch |
| a | 14,9 mm | Distance between the apexes of the pressure cones |
Dimensions
| rmin | 1 mm | Minimum chamfer dimension |
| r1 min | 1 mm | |
| α | 25 ° | Contact angle |
Temperature range
| Tmin | -30 °C | |
| Tmax | 100 °C |
Additional information
| FV L | 107 N | |
| FV M | 398 N | |
| FV H | 848 N | |
| KaE L | 313 N | Lift-off force light |
| KaE M | 1.212 N | Lift-off force medium |
| KaE H | 2.686 N | Lift-off force heavy |
| ca L | 64 N/µm | Axial rigidity light |
| ca M | 106 N/µm | Axial rigidity medium |
| ca H | 146 N/µm | Axial rigidity heavy |