Page 142 of Needle Roller Bearings by NTN Corporation Japan

machined-ring needle roller bearings inch series without inner ring type mr ntn fw 15.875 63.500mm boundary dimensions dynamic mm 25.4mm fw d +0.027 +0.016 n c rs min 1 cr basic load ratings static dynamic static kgf cor cr cor limiting speeds r/min grease oil approx 15.875 8 28.5751 8 28.5751 8 31.7501 4 31.7501 4 34.9251 8 34.9251 8 38.1001 2 38.1001 2 41.2751 8 41.2751 8 44.4501 4 44.4501 4 47.6251 8 47.6251 8 52.3882 16 52.3882 16 55.5622 16 55.5622 16 58.7382 16 58.7382 16 61.9122 16 65.0882 16 65.0882 16 76.2003 76.2003 82.5503 4 19.05 4 25.401 19.05 4 25.401 19.05 4 25.401 19.05 4 25.401 25.401 31.751 4 25.401 31.751 4 25.401 31.751 4 25.401 31.751 4 25.401 31.751 4 25.401 31.751 4 31.751 4 25.401 31.751 4 38.101 2 44.451 4 38.101 2 0.6 0.6 1 1 1 1 1 1 1 1 1 1 1 1 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 2 16 700 21 500 19 500 25 000 21 900 28 200 23 000 29 500 32 500 40 500 35 000 43 500 37 000 46 500 41 000 51 000 43 500 54 500 44 500 55 500 59 000 49 500 62 000 83 500 97 000 88 000 16 700 23 000 21 100 29 100 25 600 35 500 28 100 38 500 45 000 60 000 51 000 68 000 57 500 76 500 61 000 81 500 68 000 90 500 72 000 95 500 105 000 86 000 114 000 142 000 173 000 158 000 1 700 2 190 1 980 2 550 2 240 2 870 2 340 3 000 3 300 4 100 3 550 4 450 3 800 4 750 4 150 5 200 4 450 5 550 4 550 5 700 6 000 5 050 6 300 8 500 9 850 8 950 1 700 2 350 2 150 2 970 2 610 3 600 2 870 3 950 4 600 6 100 5 200 6 950 5 850 7 800 6 250 8 300 6 950 9 250 7 350 9 750 10 700 8 800 11 700 14 500 17 600 16 100 17 000 17 000 14 000 14 000 12 000 12 000 11 000 11 000 9 500 9 500 8 500 8 500 7 500 7 500 7 500 7 500 6 500 6 500 6 000 6 000 5 500 5 500 5 500 4 700 4 700 4 300 25 000 25 000 21 000 21 000 18 000 18 000 16 000 16 000 14 000 14 000 13 000 13 000 11 000 11 000 11 000 11 000 9 500 9 500 9 000 9 000 8 500 8 000 8 000 7 000 7 000 6 500 19.050 4 +0.033 +0.020 22.225 8 +0.033 +0.020 25.4001 +0.033 +0.020 28.5751 8 +0.033 +0.020 31.7501 4 +0.041 +0.025 34.9251 8 +0.041 +0.025 38.1001 2 +0.041 +0.025 41.2751 8 +0.041 +0.025 44.4501 4 47.6251 8 50.8002 +0.041 +0.025 +0.041 +0.025 +0.049 +0.030 57.1502 4 63.5002 2 +0.049 +0.030 +0.049 +0.030 note 1 allowable minimum chamfer dimension r b-80

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