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            | Type: INA Bearings for screw drives d 25 Tolerance: -0,01 D 75 Tolerance: -0,013 B 28 Tolerance: -0,25 1) Extraction slot b 3 Da max 48 d1 40,5 d2 6,8 da min 32 I 19 J 58 r1 min 0,6 rmin 0,3 t 4 X 90° Quantity of pitches X angle of pitches m 0,72 Mass Ca 27500 Basic dynamic load rating, axial C0a 55000 Basic static load rating, axial nG Fett 2600 Limiting speed for grease lubrication MRL 0,4 Bearing frictional torque caL 750 Axial rigidity ckL 200 Tilting rigidity Mm 0,486 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. ZM25, AM25 ZM25, AM25 Designation of recommended INA locknut Locknuts not included in delivery. MA 25 Tightening torque Only valid in conjunction with INA precision locknuts 9410 9410 Axial preload force |
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| N318EMA bearing | 90 | 190 | 43 |
| N318EM bearing | 90 | 190 | 43 |