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HCB7022-E-T-P4S-UL
Spindle bearing
Spindle bearing HCB70..-E, adjusted, in pairs or sets, contact angle α = 25°, with ceramic balls, restricted tolerances
Main Dimensions & Performance Data
| d | 110 mm | Bore diameter |
| D | 170 mm | Outside diameter |
| B | 28 mm | Width |
| Cr | 106,000 N | Basic dynamic load rating, radial |
| C0r | 70,000 N | Basic static load rating, radial |
| Cur | 4,750 N | Fatigue load limit, radial |
| nG Grease | 11,000 1/min | Limiting speed for grease lubrication |
| nG Oil | 16,000 1/min | Limiting speed for oil lubrication |
| ≈m | 1.302 kg | Weight |
Mounting dimensions
| da | 121 mm | Diameter shaft shoulder |
| da | h12 | Diameter shaft shoulder clearance |
| Da | 159 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 | 128.6 mm | Minimum diameter injection pitch |
| Etk max | 135.1 mm | Maximum diameter injection pitch |
| Etk1 min | 128.6 mm | Minimum diameter injection pitch |
| Etk1 max | 135.1 mm | Maximum diameter injection pitch |
| a | 46.6 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 | 490 N | Preload force light |
| FV M | 1,779 N | Preload force medium |
| FV H | 3,778 N | Preload force heavy |
| KaE L | 1,409 N | Lift-off force light |
| KaE M | 5,224 N | Lift-off force medium |
| KaE H | 11,341 N | Lift-off force heavy |
| ca L | 248 N/µm | Axial rigidity light |
| ca M | 395 N/µm | Axial rigidity medium |
| ca H | 527 N/µm | Axial rigidity heavy |
All
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