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HCM71920-C-T-P4S-UL-XL
High speed spindle bearing
High speed spindle bearing HCM719..-C, adjusted, in pairs or sets, contact angle α = 17°, with ceramic balls, restricted tolerances
Main Dimensions & Performance Data
| d | 100 mm | Bore diameter |
| D | 140 mm | Outside diameter |
| B | 20 mm | Width |
| Cr | 38.500 N | Basic dynamic load rating, radial |
| C0r | 24.600 N | Basic static load rating, radial |
| Cur | 1.810 N | Fatigue load limit, radial |
| nG Grease | 17.000 1/min | Limiting speed for grease lubrication |
| nG Oil | 24.000 1/min | Limiting speed for oil lubrication |
| ≈m | 0,67 kg | Weight |
Mounting dimensions
| da | 107 mm | Diameter shaft shoulder |
| da | h12 | Diameter shaft shoulder clearance |
| Da | 133 mm | Shoulder diameter outer ring |
| Da | H12 | Shoulder diameter outer ring clearance |
| ra max | 0,6 mm | Maximum recess radius |
| ra1 max | 0,6 mm | Maximum recess radius |
| Etk min | 113,3 mm | Minimum diameter injection pitch |
| Etk max | 116,6 mm | Maximum diameter injection pitch |
| Etk1 min | 109,1 mm | Minimum diameter injection pitch |
| Etk1 max | 116,6 mm | Maximum diameter injection pitch |
| a | 28,3 mm | Distance between the apexes of the pressure cones |
Dimensions
| rmin | 1,1 mm | Minimum chamfer dimension |
| r1 min | 0,6 mm | Minimum chamfer dimension |
| α | 17 ° | Contact angle |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 100 °C | Operating temperature max. |
Additional information
| FV L | 190 N | Preload force light |
| FV M | 500 N | Preload force medium |
| FV H | 1.049 N | Preload force heavy |
| KaE L | 551 N | Lift-off force light |
| KaE M | 1.489 N | Lift-off force medium |
| KaE H | 3.217 N | Lift-off force heavy |
| ca L | 89 N/µm | Axial rigidity light |
| ca M | 129 N/µm | Axial rigidity medium |
| ca H | 173 N/µm | Axial rigidity heavy |
All
English
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