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02:11:56 GMT+0000 (Coordinated Universal Time)
HCB71902-E-T-P4S-UL
Spindle bearing
Spindle bearing HCB719..-E, adjusted, in pairs or sets, contact angle α = 25°, with ceramic balls, restricted tolerances
Product information
Metric
Imperial
Main Dimensions & Performance Data
| d | 15 mm | Bore diameter |
| D | 28 mm | Outside diameter |
| B | 7 mm | Width |
| Cr | 4.850 N | Basic dynamic load rating, radial |
| C0r | 1.860 N | Basic static load rating, radial |
| Cur | 150 N | Fatigue load limit, radial |
| nG Grease | 70.000 1/min | Limiting speed for grease lubrication |
| nG Oil | 110.000 1/min | Limiting speed for oil lubrication |
| ≈m | 15 g | Weight |
Mounting dimensions
| da | 18 mm | Diameter shaft shoulder |
| da | h12 | Diameter shaft shoulder clearance |
| Da | 25,5 mm | Shoulder diameter outer ring |
| Da | H12 | Shoulder diameter outer ring clearance |
| ra max | 0,3 mm | Maximum recess radius |
| ra1 max | 0,1 mm | Maximum recess radius |
| Etk min | 19,9 mm | Minimum diameter injection pitch |
| Etk max | 20,9 mm | Maximum diameter injection pitch |
| Etk1 min | 19,9 mm | Minimum diameter injection pitch |
| Etk1 max | 20,9 mm | Maximum diameter injection pitch |
| a | 8,6 mm | Distance between the apexes of the pressure cones |
Dimensions
| rmin | 0,3 mm | Minimum chamfer dimension |
| r1 min | 0,3 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 | 12 N | Preload force light |
| FV M | 64 N | Preload force medium |
| FV H | 150 N | Preload force heavy |
| KaE L | 34 N | Lift-off force light |
| KaE M | 190 N | Lift-off force medium |
| KaE H | 457 N | Lift-off force heavy |
| ca L | 32 N/µm | Axial rigidity light |
| ca M | 59 N/µm | Axial rigidity medium |
| ca H | 82 N/µm | Axial rigidity heavy |