Tapered Roller Bearings - Single Cones - Imperial On The Timken Company

This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.

Part Number	Series	Bore (d)	Inner Ring Width (B)	Dynamic Radial Load Rating - 1M Revs (C1)	Static Radial Load Rating (C0)	CAD
55197	N/A 55000	N/A 1.9675 in49.975 mm	N/A 1.0594 in26.909 mm	N/A 28300 lbf126000 N	N/A 26700 lbf119000 N	N/A
546	N/A 535	N/A 1.9678 in49.982 mm	N/A 1.455 in36.957 mm	N/A 38700 lbf172000 N	N/A 46200 lbf206000 N	N/A
28579	N/A 28500	N/A 1.968 in49.987 mm	N/A 1 in25.4 mm	N/A 22200 lbf98900 N	N/A 29200 lbf130000 N	N/A
378A	N/A 375	N/A 1.968 in49.987 mm	N/A 0.875 in22.225 mm	N/A 19800 lbf87900 N	N/A 22700 lbf101000 N	N/A
55194	N/A 55000	N/A 1.968 in49.987 mm	N/A 1.0594 in26.909 mm	N/A 23900 lbf106000 N	N/A 26700 lbf119000 N	N/A
55195	N/A 55000	N/A 1.968 in49.987 mm	N/A 1.0594 in26.909 mm	N/A 23900 lbf106000 N	N/A 26700 lbf119000 N	N/A
HH506349	N/A	N/A 1.968 in49.987 mm	N/A 1.75 in44.45 mm	N/A 55300 lbf246000 N	N/A 65100 lbf290000 N	N/A
L305648	N/A L305600	N/A 1.968 in49.987 mm	N/A 0.7188 in18.258 mm	N/A 13700 lbf60800 N	N/A 20000 lbf88800 N	N/A
LM104947A	N/A	N/A 1.968 in49.987 mm	N/A 0.875 in22.225 mm	N/A 21700 lbf96300 N	N/A 23400 lbf104000 N	N/A
365	N/A 365	N/A 1.9685 in50.000 mm	N/A 0.875 in22.225 mm	N/A 22900 lbf102000 N	N/A 21500 lbf95800 N	N/A
366	N/A 365	N/A 1.9685 in50.000 mm	N/A 0.875 in22.225 mm	N/A 22900 lbf102000 N	N/A 21500 lbf95800 N	N/A
396	N/A 395	N/A 1.9685 in50.000 mm	N/A 0.866 in21.996 mm	N/A 22200 lbf98900 N	N/A 28100 lbf125000 N	N/A
465	N/A 455	N/A 1.9685 in50.000 mm	N/A 1.1542 in29.317 mm	N/A 36100 lbf161000 N	N/A 37200 lbf166000 N	N/A
529A	N/A 525	N/A 1.9685 in50.000 mm	N/A 1.4200 in36.068 mm	N/A 37000 lbf165000 N	N/A 43000 lbf191000 N	N/A
NA366	N/A	N/A 1.9685 in50.000 mm	N/A 0.98445 in25.005 mm	N/A	N/A	N/A
18200	N/A 18000	N/A 2 in50.8 mm	N/A 0.719 in18.263 mm	N/A 13700 lbf61100 N	N/A 14400 lbf63900 N	N/A
18790	N/A 18700	N/A 2 in50.8 mm	N/A 0.6875 in17.463 mm	N/A 12300 lbf54700 N	N/A 15200 lbf67500 N	N/A
28580	N/A 28500	N/A 2 in50.8 mm	N/A 1 in25.4 mm	N/A 22200 lbf98900 N	N/A 29200 lbf130000 N	N/A
28580A	N/A 28500	N/A 2 in50.8 mm	N/A 1 in25.4 mm	N/A 22200 lbf98900 N	N/A 29200 lbf130000 N	N/A
28678	N/A 28600	N/A 2 in50.8 mm	N/A 0.9688 in24.608 mm	N/A 27700 lbf123000 N	N/A 32000 lbf142000 N	N/A
33889	N/A 33800	N/A 2 in50.8 mm	N/A 1.125 in28.575 mm	N/A 29200 lbf130000 N	N/A 36200 lbf161000 N	N/A
33889N	N/A 33800	N/A 2 in50.8 mm	N/A 1.125 in28.575 mm	N/A 34600 lbf154000 N	N/A 36200 lbf161000 N	N/A
368	N/A 365	N/A 2 in50.8 mm	N/A 0.875 in22.225 mm	N/A 22900 lbf102000 N	N/A 21500 lbf95800 N	N/A
368A	N/A 365	N/A 2 in50.8 mm	N/A 0.875 in22.225 mm	N/A 22900 lbf102000 N	N/A 21500 lbf95800 N	N/A
368W	N/A 365	N/A 2 in50.8 mm	N/A 0.875 in22.225 mm	N/A 19300 lbf85900 N	N/A 21500 lbf95800 N	N/A

Part Number

Series

Bore (d)

Inner Ring Width (B)

Dynamic Radial Load Rating - 1M Revs (C1)

Static Radial Load Rating (C0)

CAD

55197

N/A 55000

N/A 1.9675 in49.975 mm

N/A 1.0594 in26.909 mm

N/A 28300 lbf126000 N

N/A 26700 lbf119000 N

N/A

546

N/A 535

N/A 1.9678 in49.982 mm

N/A 1.455 in36.957 mm

N/A 38700 lbf172000 N

N/A 46200 lbf206000 N

N/A

28579

N/A 28500

N/A 1.968 in49.987 mm

N/A 1 in25.4 mm

N/A 22200 lbf98900 N

N/A 29200 lbf130000 N

N/A

378A

N/A 375

N/A 1.968 in49.987 mm

N/A 0.875 in22.225 mm

N/A 19800 lbf87900 N

N/A 22700 lbf101000 N

N/A

55194

N/A 55000

N/A 1.968 in49.987 mm

N/A 1.0594 in26.909 mm

N/A 23900 lbf106000 N

N/A 26700 lbf119000 N

N/A

55195

N/A 55000

N/A 1.968 in49.987 mm

N/A 1.0594 in26.909 mm

N/A 23900 lbf106000 N

N/A 26700 lbf119000 N

N/A

HH506349

N/A

N/A 1.968 in49.987 mm

N/A 1.75 in44.45 mm

N/A 55300 lbf246000 N

N/A 65100 lbf290000 N

N/A

L305648

N/A L305600

N/A 1.968 in49.987 mm

N/A 0.7188 in18.258 mm

N/A 13700 lbf60800 N

N/A 20000 lbf88800 N

N/A

LM104947A

N/A

N/A 1.968 in49.987 mm

N/A 0.875 in22.225 mm

N/A 21700 lbf96300 N

N/A 23400 lbf104000 N

N/A

365

N/A 365

N/A 1.9685 in50.000 mm

N/A 0.875 in22.225 mm

N/A 22900 lbf102000 N

N/A 21500 lbf95800 N

N/A

366

N/A 365

N/A 1.9685 in50.000 mm

N/A 0.875 in22.225 mm

N/A 22900 lbf102000 N

N/A 21500 lbf95800 N

N/A

396

N/A 395

N/A 1.9685 in50.000 mm

N/A 0.866 in21.996 mm

N/A 22200 lbf98900 N

N/A 28100 lbf125000 N

N/A

465

N/A 455

N/A 1.9685 in50.000 mm

N/A 1.1542 in29.317 mm

N/A 36100 lbf161000 N

N/A 37200 lbf166000 N

N/A

529A

N/A 525

N/A 1.9685 in50.000 mm

N/A 1.4200 in36.068 mm

N/A 37000 lbf165000 N

N/A 43000 lbf191000 N

N/A

NA366

N/A

N/A 1.9685 in50.000 mm

N/A 0.98445 in25.005 mm

N/A

18200

N/A 18000

N/A 2 in50.8 mm

N/A 0.719 in18.263 mm

N/A 13700 lbf61100 N

N/A 14400 lbf63900 N

N/A

18790

N/A 18700

N/A 2 in50.8 mm

N/A 0.6875 in17.463 mm

N/A 12300 lbf54700 N

N/A 15200 lbf67500 N

N/A

28580

N/A 28500

N/A 2 in50.8 mm

N/A 1 in25.4 mm

N/A 22200 lbf98900 N

N/A 29200 lbf130000 N

N/A

28580A

N/A 28500

N/A 2 in50.8 mm

N/A 1 in25.4 mm

N/A 22200 lbf98900 N

N/A 29200 lbf130000 N

N/A

28678

N/A 28600

N/A 2 in50.8 mm

N/A 0.9688 in24.608 mm

N/A 27700 lbf123000 N

N/A 32000 lbf142000 N

N/A

33889

N/A 33800

N/A 2 in50.8 mm

N/A 1.125 in28.575 mm

N/A 29200 lbf130000 N

N/A 36200 lbf161000 N

N/A

33889N

N/A 33800

N/A 2 in50.8 mm

N/A 1.125 in28.575 mm

N/A 34600 lbf154000 N

N/A 36200 lbf161000 N

N/A

368

N/A 365

N/A 2 in50.8 mm

N/A 0.875 in22.225 mm

N/A 22900 lbf102000 N

N/A 21500 lbf95800 N

N/A

368A

N/A 365

N/A 2 in50.8 mm

N/A 0.875 in22.225 mm

N/A 22900 lbf102000 N

N/A 21500 lbf95800 N

N/A

368W

N/A 365

N/A 2 in50.8 mm

N/A 0.875 in22.225 mm

N/A 19300 lbf85900 N

N/A 21500 lbf95800 N

N/A