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            | Type: INA Bearings for screw drives d 25 Tolerance: -0,010 D 57 Tolerance: -0,013 B 38 Tolerance: -0,25 A 70 B1 22 D1 90 d1 40,5 d2 8,8 da max 48 da min 32 J 75 r1 min 0,6 rmin 0,3 Attention! The bearings require continuous load in the main load direction H. m 0,9 Mass Ca 27500 Basic dynamic load rating, axial, ← C0a 55000 Basic static load rating, axial, ← Ca 52000 Basic dynamic load rating, axial, in main load direction H, → C0a 144000 Basic static load rating, axial, in main load direction H, → nG Fett 2000 Limiting speed for grease lubrication MRL 0,6 Bearing frictional torque caL 850 Axial rigidity ← caL 1200 Axial rigidity → ckL 370 Tilting rigidity Mm 1,12 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. 6 x M8 6 x M8 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. 1) AM25, ZMA25/45 Designation of recommended INA locknut 2) ZM30 Designation of recommended INA locknut Locknuts not included in delivery. |
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| NF317/C2 bearing | 85 | 180 | 41 |
| NF316M bearing | 80 | 170 | 39 |