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HCB71910-CDLR-T-P4S-UL
Spindle bearing
Spindle bearing HCB719..-CDLR, adjusted, in pairs or sets, contact angle α = 15°, with ceramic balls, restricted tolerances, for direct oil feed via outer ring, with inserted O rings
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Main Dimensions & Performance Data
| d | 50 mm | Bore diameter |
| D | 72 mm | Outside diameter |
| B | 12 mm | Width |
| Cr | 19,600 N | Basic dynamic load rating, radial |
| C0r | 11,400 N | Basic static load rating, radial |
| Cur | 920 N | Fatigue load limit, radial |
| nG Grease | 26,000 1/min | Limiting speed for grease lubrication |
| nG Oil | 40,000 1/min | Limiting speed for oil lubrication |
| ≈m | 0.102 kg | น้ำหนัก |
Mounting dimensions
| da | 55 mm | Diameter shaft shoulder |
| da | h12 | Diameter shaft shoulder clearance |
| Da | 67.5 mm | Shoulder diameter outer ring |
| Da | H12 | Shoulder diameter outer ring clearance |
| ra max | 0.6 mm | Maximum recess radius |
| ra1 max | 0.15 mm | Maximum recess radius |
| BN | 2.2 mm | Distance ring grooves |
| BN1 | 2.2 mm | Distance ring grooves |
| SN | 6.6 mm | Distance to lubrication hole |
| SB | 1.4 mm | Width of lubricating groove |
| a | 14.2 mm | Distance between the apexes of the pressure cones |
Dimensions
| rmin | 0.6 mm | Minimum chamfer dimension |
| r1 min | 0.6 mm | Minimum chamfer dimension |
| α | 15 ° | Contact angle |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 100 °C | Operating temperature max. |
Additional information
| FV L | 41 N | Preload force light |
| FV M | 167 N | Preload force medium |
| FV H | 362 N | Preload force heavy |
| KaE L | 121 N | Lift-off force light |
| KaE M | 525 N | Lift-off force medium |
| KaE H | 1,205 N | Lift-off force heavy |
| ca L | 38 N/µm | Axial rigidity light |
| ca M | 66 N/µm | Axial rigidity medium |
| ca H | 95 N/µm | Axial rigidity heavy |