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            | Type: INA Bearings for screw drives d 20 Tolerance: -0,01 D 68 Tolerance: -0,013 B 28 Tolerance: -0,25 1) Extraction slot b 3 Da max 43 d1 34,5 d2 6,8 da min 25 I 19 J 53 r1 min 0,6 rmin 0,3 t 4 X 90° Quantity of pitches X angle of pitches m 0,61 Mass Ca 26000 Basic dynamic load rating, axial C0a 47000 Basic static load rating, axial nG Fett 3000 Limiting speed for grease lubrication MRL 0,3 Bearing frictional torque caL 650 Axial rigidity ckL 140 Tilting rigidity Mm 0,273 Mass moment of inertia for rotating inner ring 5 5 Axial runout The axial runout data for screw drive bearing arrangements are based on the rotating inner ring. 4 x M6 4 x M6 Quantity x size of fixing screws to DIN 912-10.9 Tightening torque of fixing screws according to manufacturers data. Screws not included in delivery. ZM20, AM20 ZM20, AM20 Designation of recommended INA locknut Locknuts not included in delivery. MA 18 Tightening torque Only valid in conjunction with INA precision locknuts 9079 9079 Axial preload force |
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| N318EF1 bearing | 90 | 190 | 43 |
| N318E/Z1 bearing | 90 | 190 | 43 |