BEARING DIMENSIONS MECHANICALLY RETAINED ROLLERS BEARING MOUNTING Load Ratings Inch Mounting Fw D C Basic Basic Working Limiting X S H Bore Outside Width Bearing Dynamic Static Load Speed End Shaft Housing Bore Diameter Designation Cr Co Full Thickness Raceway Comple- Diameter +0.000 +0,00 open closed ISO ISO ment (nom.) (nom.) -0.010 -0,25 end end T 281 76 (max.) Bearings (max.) inches inches inch mm inch mm inch mm lbf lbf lbf lbf rpm inch mm max. min. min. max. 7⁄16 11,11 5⁄8 15,88 0.375 9,52 B-76 — 906 1 390 1 930 1 080 6 300 — — 0.4375 0.4370 0.6245 0.6255 7⁄16 11,11 5⁄8 15,88 0.438 11,13 B-77 — 1 100 1 700 2 480 1 390 6 300 — — 0.4375 0.4370 0.6245 0.6255 7⁄16 11,11 5⁄8 15,88 0.500 12,70 B-78 M-781 1 290 1 980 3 030 1 690 6 300 0.08 2,0 0.4375 0.4370 0.6245 0.6255 7⁄16 11,11 5⁄8 15,88 0.625 15,88 B-710 — 1 640 2 520 4 130 2 310 6 300 — — 0.4375 0.4370 0.6245 0.6255 7⁄16 11,11 11⁄16 17,46 0.500 12,70 BH-78 — 1 470 2 260 2 780 1 660 8 300 — — 0.4375 0.4370 0.6870 0.6880 0.47 12 0.63 16 0.394 10 — — — — — — — — — 0.4724 0.4720 0.6290 0.6297 0.47 12 0.71 18 0.472 12 — — — — — — — — — 0.4724 0.4720 0.7078 0.7085 1⁄2 12,70 11⁄16 17,46 0.312 7,92 B-85 — 754 1 160 1 580 870 5 500 — — 0.5000 0.4995 0.6870 0.6880 1⁄2 12,70 11⁄16 17,46 0.375 9,52 B-86 M-861 976 1 500 2 200 1 210 5 500 0.08 2,0 0.5000 0.4995 0.6870 0.6880 1⁄2 12,70 11⁄16 17,46 0.438 11,13 B-87 M-871 1 190 1 830 2 840 1 560 5 500 0.08 2,0 0.5000 0.4995 0.6870 0.6880 1⁄2 12,70 11⁄16 17,46 0.500 12,70 B-88 M-881 1 390 2 130 3 460 1 910 5 500 0.08 2,0 0.5000 0.4995 0.6870 0.6880 1⁄2 12,70 11⁄16 17,46 0.625 15,88 B-810 M-8101 1 770 2 720 4 720 2 600 5 500 0.08 2,0 0.5000 0.4995 0.6870 0.6880 1⁄2 12,70 11⁄16 17,46 0.750 19,05 B-812 M-8121 2 120 3 260 5 980 3 290 5 500 0.08 2,0 0.5000 0.4995 0.6870 0.6880 1⁄2 12,70 3⁄4 19,05 0.438 11,13 BH-87 — 1 340 2 060 2 550 1 490 7 500 — — 0.5000 0.4995 0.7495 0.7505 1⁄2 12,70 3⁄4 19,05 0.500 12,70 BH-88 — 1 590 2 450 3 180 1 850 7 500 — — 0.5000 0.4995 0.7495 0.7505 1⁄2 12,70 3⁄4 19,05 0.625 15,88 BH-810 — 2 060 3 180 4 440 2 590 7 500 — — 0.5000 0.4995 0.7495 0.7505 1⁄2 12,70 3⁄4 19,05 0.750 19,05 BH-812 — 2 510 3 850 5 690 3 290 7 500 — — 0.5000 0.4995 0.7495 0.7505 0.51 13 0.75 19 0.472 12 — — — — — — — — — 0.5118 0.5114 0.7469 0.7477 0.55 14 0.79 20 0.472 12 — — — — — — — — — 0.5512 0.5508 0.7863 0.7871 9⁄16 14,29 3⁄4 19,05 0.312 7,92 B-95 M-951 804 1 240 1 780 966 5 000 0.08 2,0 0.5625 0.5620 0.7495 0.7505 9⁄16 14,29 3⁄4 19,05 0.375 9,52 B-96 — 1 040 1 600 2 480 1 350 5 000 — — 0.5625 0.5620 0.7495 0.7505 9⁄16 14,29 3⁄4 19,05 0.438 11,13 B-97 — 1 270 1 950 3 190 1 740 5 000 — — 0.5625 0.5620 0.7495 0.7505 9⁄16 14,29 3⁄4 19,05 0.500 12,70 B-98 — 1 480 2 280 3 900 2 120 5 000 — — 0.5625 0.5620 0.7495 0.7505 9⁄16 14,29 3⁄4 19,05 0.625 15,88 B-910 — 1 880 2 900 5 310 2 890 5 000 — — 0.5625 0.5620 0.7495 0.7505 9⁄16 14,29 3⁄4 19,05 0.750 19,05 B-912 M-9121 2 260 3 480 6 730 3 660 5 000 0.08 2,0 0.5625 0.5620 0.7495 0.7505 9⁄16 14,29 13⁄16 20,64 0.500 12,70 BH-98 — 1 710 2 630 3 580 2 050 6 800 — — 0.5625 0.5620 0.8120 0.8130 9⁄16 14,29 13⁄16 20,64 0.625 15,88 BH-910 — 2 210 3 400 5 000 2 860 6 800 — — 0.5625 0.5620 0.8120 0.8130 9⁄16 14,29 13⁄16 20,64 0.750 19,05 BH-912 — 2 690 4 130 6 410 3 670 6 800 — — 0.5625 0.5620 0.8120 0.8130 0.59 15 0.83 21 0.472 12 — — — — — — — — — 0.5906 0.5902 0.8257 0.8265 0.59 15 0.83 21 0.630 16 — — — — — — — — — 0.5906 0.5902 0.8257 0.8265 5⁄8 15,88 13⁄16 20,64 0.312 7,92 B-105 — 851 1 310 1 980 1 060 4 500 — — 0.6250 0.6245 0.8120 0.8130 5⁄8 15,88 13⁄16 20,64 0.438 11,13 B-107 M-1071 1 340 2 070 3 550 1 910 4 500 0.08 2,0 0.6250 0.6245 0.8120 0.8130 5⁄8 15,88 13⁄16 20,64 0.500 12,70 B-108 M-1081 1 570 2 410 4 330 2 330 4 500 0.08 2,0 0.6250 0.6245 0.8120 0.8130 5⁄8 15,88 13⁄16 20,64 0.625 15,88 B-1010 — 1 990 3 070 5 900 3 180 4 500 — — 0.6250 0.6245 0.8120 0.8130 5⁄8 15,88 13⁄16 20,64 0.750 19,05 B-1012 M-10121 2 400 3 690 7 480 4 020 4 500 0.08 2,0 0.6250 0.6245 0.8120 0.8130 T Symbol denotes Basic Dynamic Load Rating to be used in load-life calculations taking into consideration the application guidelines and limitations given in this catalog. Applications involving loads approaching this rating or the tabulated working load, whichever is the smaller, should be referred to the Torrington |