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.
1 5⁄8 41,28 2 50,8 0.500 12,70 B-268 — 3 200 4 920 8 390 4 450 3 900 — — 1.6250 1.6245 1.9995 2.0005
1 5⁄8 41,28 2 50,8 0.625 15,88 B-2610 — 4 360 6 710 12 500 6 630 3 900 — — 1.6250 1.6245 1.9995 2.0005
1 5⁄8 41,28 2 50,80 1.000 25,40 B-2616 — 7 430 11 400 24 800 13 100 3 900 — — 1.6250 1.6245 1.9995 2.0005
1 5⁄8 41,28 2 50,80 1.250 31,75 B-2620 — 9 280 14 300 33 000 17 500 3 900 — — 1.6250 1.6245 1.9995 2.0005
1 3⁄4 44,45 2 1⁄8 53,98 0.750 19,05 B-2812 — 5 630 8 660 17 900 9 410 3 700 — — 1.7500 1.7495 2.1245 2.1255
1 3⁄4 44,45 2 1⁄8 53,98 1.000 25,40 B-2816 M-28161 7 690 11 800 26 700 14 100 3 700 0.12 3,0 1.7500 1.7495 2.1245 2.1255
1 3⁄4 44,45 2 1⁄8 53,98 1.250 31,75 B-2820 — 9 600 14 800 35 500 18 700 3 700 — — 1.7500 1.7495 2.1245 2.1255
1 3⁄4 44,45 2 1⁄8 53,98 1.500 38,10 B-2824 — 11 400 17 600 44 300 23 400 3 700 — — 1.7500 1.7495 2.1245 2.1255
1.77 45 2.05 52 0.472 12 — — — — — — — — — 1.7717 1.7711 2.0457 2.0469
1.77 45 2.05 52 0.630 16 — — — — — — — — — 1.7717 1.7711 2.0457 2.0469
1.77 45 2.05 52 0.787 20 — — — — — — — — — 1.7717 1.7711 2.0457 2.0469
1 7⁄8 47,62 2 1⁄4 57,15 0.500 12,70 B-308 — 3 500 5 380 9 790 5 140 3 500 — — 1.8750 1.8745 2.2495 2.2505
1 7⁄8 47,62 2 1⁄4 57,15 0.750 19,05 B-3012 — 5 920 9 100 19 200 10 100 3 500 — — 1.8750 1.8745 2.2495 2.2505
1 7⁄8 47,62 2 1⁄4 57,15 1.000 25,40 B-3016 — 8 050 12 400 28 600 15 000 3 500 — — 1.8750 1.8745 2.2495 2.2505
1.97 50 2.28 58 0.787 20 — — — — — — — — — 1.9685 1.9679 2.2819 2.2831
2 50,80 2 3⁄8 60,32 0.500 12,70 B-328 — 3 570 5 490 10 300 5 390 3 300 — — 2.0000 1.9994 2.3745 2.3755
2 50,80 2 3⁄8 60,32 1.000 25,40 B-3216 M-32161 8 290 12 700 30 500 15 900 3 300 0.12 3,0 2.0000 1.9994 2.3745 2.3755
2 50,80 2 3⁄8 60,32 1.250 31,75 B-3220 — 10 300 15 900 40 600 21 200 3 300 — — 2.0000 1.9994 2.3745 2.3755
2 50,80 2 3⁄8 60,32 1.750 44,45 B-3228 M-32281 14 200 21 800 60700 31 700 3 300 0.12 3,0 2.0000 1.9994 2.3745 2.3755
2 1⁄16 52,39 2 17⁄32 64,29 0.750 19,05 BH-3312 — 6 590 10 100 19 000 10 100 4 000 — — 2.0625 2.0619 2.5307 2.5317
2 1⁄16 52,39 2 17⁄32 64,29 1.000 25,40 BH-3316 — 9 250 14 200 29 400 15 600 4 000 — — 2.0625 2.0619 2.5307 2.5317
2 1⁄8 53,98 2 1⁄2 63,50 0.500 12,70 B-348 — 3 670 5 650 11000 5 710 3 100 — — 2.1250 2.1244 2.4995 2.5005
2 1⁄8 53,98 2 1⁄2 63,50 1.000 25,40 B-3416 — 8 530 13 100 32 400 16 900 3 100 — — 2.1250 2.1244 2.4995 2.5005
2 1⁄8 53,98 2 1⁄2 63,50 1.500 38,10 B-3424 — 12 700 19 500 53 900 28 000 3 100 — — 2.1250 2.1244 2.4995 2.5005
2.17 55 2.48 63 0.787 20 — — — — — — — — — 2.1654 2.1647 2.4788 2.4800
2 1⁄4 57,15 2 5⁄8 66,68 0.750 19,05 B-3612 — 6 590 10 100 23 100 12 000 3 000 — — 2.2500 2.2494 2.6245 2.6255
2 1⁄4 57,15 2 5⁄8 66,68 1.000 25,40 — — — — — — — — — 2.2500 2.2494 2.6245 2.6255
2 1⁄4 57,15 2 5⁄8 66,68 1.250 31,75 B-3620 — 11 200 17 300 45 800 23 800 3 000 — — 2.2500 2.2494 2.6245 2.6255
2 1⁄4 57,15 2 5⁄8 66,68 1.500 38,10 B-3624 — 13 300 20 500 57 200 29 700 3 000 — — 2.2500 2.2494 2.6245 2.6255
2.36 60 2.68 68 0.472 12 — — — — — — — — — 2.3622 2.3618 2.7150 2.7162
2 5⁄8 66,68 3 76,20 1.000 25,40 B-4216 M-42161 9 590 14 800 40 100 20 600 2 500 0.13 3,3 2.6250 2.6244 2.9995 3.0005
2 3⁄4 69,85 3 1⁄8 79,38 0.625 15,88 B-4410 — 5 840 8 980 21 300 10 900 2 500 — — 2.7500 2.7494 3.1245 3.1255
2 3⁄4 69,85 3 1⁄8 79,38 0.750 19,05 — — — — — — — — — 2.7500 2.7494 3.1245 3.1255
2 3⁄4 69,85 3 1⁄8 79,38 1.000 25,40 B-4416 — 9 920 15 300 42 100 21 600 2 500 — — 2.7500 2.7494 3.1245 3.1255
2 3⁄4 69,85 3 1⁄8 79,38 1.250 31,75 B-4420 — 12 400 19 000 56 000 28 700 2 500 — — 2.7500 2.7494 3.1245 3.1255
3 1⁄2 88,90 4 101,60 0.750 19,05 B-5612 — 9 310 14 300 32 800 16 900 2 700 — — 3.5000 3.4994 3.9995 4.0005
5 1⁄2 139,7 6 152,40 0.750 19,05 B-8812 — 10 900 16 700 49 900 25 100 1 600 — — 5.5000 5.4993 5.9990 6.0010
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.
Load Ratings are based on a minimum raceway hardness of 58 HRC or equivalent.
Load ratings are given in pounds-force: 1 lbf = 0.454kgf = 4.448N
Required Basic Dynamic Load Rating (Cr) = Applied Load • SF • LF • HF (see page E75).
D
FW FW
Caged
Bearing
H
shaft surface to be
58 HRC or equivalent
Open End Closed End
Inch-metric conversions given are
for the convenience of the user. The
controlling dimensions are in inches
for nominal inch bearings and in
millimeters for nominal metric
bearings. |
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