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B7020-E-T-P4S-UL
Spindle bearing
Spindle bearing B70..-E, adjusted, in pairs or sets, contact angle α = 25°, restricted tolerances
แทนที่
B7020E.T.P4S.UL, B7020E.TPA.P4.UL
ข้อมูลผลิตภัณฑ์
เมตริก
อิมพีเรียล
Main Dimensions & Performance Data
| d | 100 mm | Bore diameter |
| D | 150 mm | Outside diameter |
| B | 24 mm | Width |
| Cr | 79,000 N | Basic dynamic load rating, radial |
| C0r | 55,000 N | Basic static load rating, radial |
| Cur | 5,200 N | Fatigue load limit, radial |
| nG Grease | 8,000 1/min | Limiting speed for grease lubrication |
| nG Oil | 13,000 1/min | Limiting speed for oil lubrication |
| ≈m | 1.24 kg | น้ำหนัก |
Mounting dimensions
| da | 110 mm | Diameter shaft shoulder |
| da | h12 | Diameter shaft shoulder clearance |
| Da | 141 mm | Shoulder diameter outer ring |
| Da | H12 | Shoulder diameter outer ring clearance |
| ra max | 1.5 mm | Maximum recess radius |
| ra1 max | 0.6 mm | Maximum recess radius |
| Etk min | 115.5 mm | Minimum diameter injection pitch |
| Etk max | 120.8 mm | Maximum diameter injection pitch |
| Etk1 min | 115.5 mm | Minimum diameter injection pitch |
| Etk1 max | 120.8 mm | Maximum diameter injection pitch |
| a | 41.1 mm | Distance between the apexes of the pressure cones |
Dimensions
| rmin | 1.5 mm | Minimum chamfer dimension |
| r1 min | 1.5 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 | 681 N | Preload force light |
| FV M | 2,336 N | Preload force medium |
| FV H | 4,869 N | Preload force heavy |
| KaE L | 1,982 N | Lift-off force light |
| KaE M | 7,018 N | Lift-off force medium |
| KaE H | 15,103 N | Lift-off force heavy |
| ca L | 242 N/µm | Axial rigidity light |
| ca M | 385 N/µm | Axial rigidity medium |
| ca H | 521 N/µm | Axial rigidity heavy |