If You Click The Bearing Number In The Below, You Will Check The Drawing Applied Numerical Values Correspondent To Each Bearing Number. Bearing No. RNAST 6 (R) RNAST 8 (R) RNAST 10 (R) RNAST 12 (R) RNAST 15 (R) RNAST 17 (R) RNAST 20 (R) RNAST 25 (R) RNAST 30 (R) RNAST 35 (R) RNAST 40 (R) RNAST 45 (R) RNAST 50 (R) Bore diameter mm dr Bearing No. Dimensions mm Weight gr. Basic dynamic load ratings C/kgf Basic static load ratings Co/Kgf Track capacity kgf Limiting speed rpm Cylindrical outer ring Crowned outer ring D B dr r 10 RNAST 6 RNAST 6R 19 9.8 10 0.5 13.9 370 290 320/120 20,000 12 RNAST 8 RNAST 8R 24 9.8 12 1 23.5 510 380 360 / 160 17,000 14 RNAST 10 RNAST 10R 30 11.8 14 1.5 42.5 880 640 510 / 210 15,000 16 RNAST 12 RNAST 12R 32 11.8 16 1.5 49.5 940 710 540 / 240 13,000 20 RNAST 15 RNAST 15R 35 11.8 20 1.5 50 1,110 920 600 / 270 10,000 22 RNAST 17 RNAST 17R 40 15.8 22 1.5 90 1,580 1,340 990 / 320 9,500 25 RNAST 20 RNAST 20R 47 15.8 25 1.5 135 1,740 1,560 1,160 / 390 8,500 30 RNAST 25 RNAST 25R 52 15.8 30 1.5 152 1,870 1,790 1,290 / 450 7,000 38 RNAST 30 RNAST 30R 62 19.8 38 1.5 255 2,740 2,850 2,020 / 570 5,500 42 RNAST 35 RNAST 35R 72 19.8 42 1.5 375 2,910 3,170 2,340 / 700 5,000 50 RNAST 40 RNAST 40R 80 19.8 50 2 420 3,220 3,800 2,450 / 800 4,000 55 RNAST 45 RNAST 45R 85 19.8 55 2 460 3,360 4,110 2,600 / 870 4,000 60 RNAST 50 RNAST 50R 90 19.8 60 2 500 3,500 4,430 2,750 / 940 3,500