Page 6 of Tyson Tapered Roller Bearing by RBC Bearings

d r c b ® t r d series 385 cone 387 387 a 387 as 387 s 388 a d bore 2.2500 57.150 2.2500 57.150 2.2500 57.150 2.2500 57.150 2.2650 57.531 2.2500 57.150 2.5000 63.500 2.4375 61.912 2.5000 63.500 2.6250 66.675 2.6250 66.675 2.6875 68.262 2.0000 50.800 1.7500 44.450 2.2500 57.150 2.2500 57.150 1.8750 47.625 3.2500 82.550 3.0000 76.200 3.0625 77.788 3.0000 76.200 3.1875 80.962 3.3750 85.725 3.3750 85.725 3.3125 84.138 b width 0.8640 21.946 0.8640 21.946 0.8640 21.946 0.8640 21.946 0.8640 21.946 0.8660 21.996 0.8660 21.996 0.8660 21.996 0.8660 21.996 0.8660 21.996 0.8660 21.996 0.8660 21.996 1.1542 29.317 1.1542 29.317 1.1542 29.317 1.1542 29.317 1.1542 29.317 1.1720 29.769 1.1720 29.769 1.1720 29.769 1.1720 29.769 1.1720 29.769 1.1720 29.769 1.1720 29.769 1.1720 29.769 r max sft fillet radius 0.09 2.3 0.14 3.5 0.20 5.1 0.03 0.8 0.14 3.5 0.09 2.3 0.06 1.5 0.03 0.8 0.14 3.5 0.03 0.8 0.14 3.5 0.09 2.3 0.03 0.8 0.14 3.5 0.09 2.3 0.09 2.3 0.03 0.8 0.14 3.5 0.14 3.5 0.14 3.5 0.25 6.4 0.14 3.5 0.14 3.5 0.25 6.4 0.14 3.5 weight lb/kg 0.87 0.39 0.89 0.40 0.86 0.39 0.91 0.41 0.87 0.39 1.47 0.67 1.25 0.57 1.33 0.60 1.24 0.56 1.20 0.54 1.14 0.52 1.09 0.49 1.77 0.80 1.98 0.90 1.48 0.67 1.50 0.68 1.88 0.85 2.34 1.06 2.75 1.25 2.72 1.23 2.73 1.24 2.44 1.11 2.13 0.97 2.12 0.96 2.23 1.01 cup 382 382 a 382 s 383 383 a 394 a 394 as d o.d 3.8750 98.425 3.8125 96.838 3.8125 96.838 3.9370 100.000 3.9370 100.000 4.3307 110.000 4.3307 110.000 c width 0.7018 17.826 0.6250 15.875 0.7982 20.274 0.8268 21.000 0.7018 17.826 0.7411 18.824 0.7411 18.824 r max hsg fillet radius 0.03 0.8 0.03 0.8 0.09 2.3 0.08 2.0 0.08 2.0 0.05 1.3 0.13 3.3 t bearing width 0.8268 21.000 0.8268 21.000 1.0000 25.400 0.8268 21.000 0.8268 21.000 0.8661 22.000 0.8661 22.000 weight lb/kg 0.49 0.22 0.39 0.18 0.55 0.25 0.63 0.29 0.57 0.26 0.57 0.26 0.57 0.26 395 390 390 a 392 395 395 a 395 s 399 a 455 455 460 462 462 a 467 453 a 453 x 4.2500 107.950 4.1250 104.775 0.8750 22.225 0.9687 24.605 0.03 0.8 0.13 3.3 1.0938 27.782 1.1875 30.162 0.93 0.42 0.82 0.37 495 495 495 a 495 as 495 ax 496 497 497 a 498 492 a 493 5.2500 133.350 5.3750 136.525 0.8750 22.225 0.8750 22.225 0.13 3.3 0.13 3.3 1.1875 30.162 1.1875 30.162 0.95 0.43 1.19 0.54 all series number cone and cup numbers and part numbers listed in this catalog are trademarks of rbc bearings inch dimensions are in bold print 6

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