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23:42:44 GMT+0000 (Coordinated Universal Time)
HCB7028-E-T-P4S-UL
Spindle bearing
Spindle bearing HCB70..-E, adjusted, in pairs or sets, contact angle α = 25°, with ceramic balls, restricted tolerances
Product information
Metric
Imperial
Main Dimensions & Performance Data
| d | 140 mm | Bore diameter |
| D | 210 mm | Outside diameter |
| B | 33 mm | Width |
| Cr | 145.000 N | Basic dynamic load rating, radial |
| C0r | 103.000 N | Basic static load rating, radial |
| Cur | 6.300 N | Fatigue load limit, radial |
| nG Grease | 8.000 1/min | Limiting speed for grease lubrication |
| nG Oil | 12.000 1/min | Limiting speed for oil lubrication |
| ≈m | 3,34 kg | Weight |
Mounting dimensions
| da | 152 mm | Diameter shaft shoulder |
| da | h12 | Diameter shaft shoulder clearance |
| Da | 199 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 | 161,6 mm | Minimum diameter injection pitch |
| Etk max | 169,2 mm | Maximum diameter injection pitch |
| Etk1 min | 161,6 mm | Minimum diameter injection pitch |
| Etk1 max | 169,2 mm | Maximum diameter injection pitch |
| a | 57,3 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 | 685 N | Preload force light |
| FV M | 2.429 N | Preload force medium |
| FV H | 5.123 N | Preload force heavy |
| KaE L | 1.968 N | Lift-off force light |
| KaE M | 7.126 N | Lift-off force medium |
| KaE H | 15.352 N | Lift-off force heavy |
| ca L | 302 N/µm | Axial rigidity light |
| ca M | 476 N/µm | Axial rigidity medium |
| ca H | 633 N/µm | Axial rigidity heavy |