Spindle bearing
Spindle bearings HCB70..-EDLR, adjusted, matched pairs or sets, contact angle α = 25°, with ceramic balls, restricted tolerances, for direct oil feed via outer ring, with inserted O rings
Metric
Imperial
| d | 80 mm | Bore diameter |
| D | 125 mm | Outside diameter |
| B | 22 mm | Width |
| Cr | 61,000 N | Basic dynamic load rating, radial |
| C0r | 37,500 N | Basic static load rating, radial |
| Cur | 2,950 N | Fatigue load limit, radial |
| nG Grease | 14,000 1/min | Limiting speed for grease lubrication |
| nG Oil | 22,000 1/min | Limiting speed for oil lubrication |
| ≈m | 0.69 kg | Weight |
| da | 88 mm | Diameter shaft shoulder |
| da | h12 | Diameter shaft shoulder clearance |
| Da | 117 mm | Shoulder diameter outer ring |
| Da | H12 | Shoulder diameter outer ring clearance |
| ra max | 1 mm | Maximum recess radius |
| ra1 max | 0.6 mm | Maximum recess radius |
| BN | 4.7 mm | Distance ring grooves |
| SN | 12.2 mm | Distance to lubrication hole |
| SB | 2.2 mm | Width of lubricating groove |
| a | 34.9 mm | Distance between the apexes of the pressure cones |
| rmin | 1.1 mm | Minimum chamfer dimension |
| r1 min | 1.1 mm | Minimum chamfer dimension |
| α | 25 ° | Contact angle |
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 100 °C | Operating temperature max. |
| FV L | 252 N | Preload force light |
| FV M | 977 N | Preload force medium |
| FV H | 2,113 N | Preload force heavy |
| KaE L | 726 N | Lift-off force light |
| KaE M | 2,872 N | Lift-off force medium |
| KaE H | 6,354 N | Lift-off force heavy |
| ca L | 175 N/µm | Axial rigidity light |
| ca M | 284 N/µm | Axial rigidity medium |
| ca H | 383 N/µm | Axial rigidity heavy |
| Contact angle | E | Contact angle 25° |
| Sealing | Without | |
| Outer shape | DLR | direct lubrication, annular slots with O rings |
| Cage | T | Laminated fabric cage |
| Tolerance class | P4S | tolerance class P4S, FAG standard better than P4 to DIN 620 |
| Arrangement bearing set | U | Single bearing |
| Preload | L | preload light |
Characteristics
