Tapered Roller Bearings - TS (Tapered Single) 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	d - Bore	D - Cup Outer Diameter	B - Cone Width	C - Cup Width	T - Bearing Width	C1 - Dynamic Radial Rating (1 million revolutions)	C0 - Static Radial Rating	CAD
3878A - 3821	N/A 3800	N/A 1 7/16 in36.513 mm	N/A 3.3750 in85.725 mm	N/A 1.1875 in30.163 mm	N/A 0.9375 in23.813 mm	N/A 1.1876 in30.165 mm	N/A 27900 lbf124000 N	N/A 33200 lbf148000 N	N/A
3878 - 3821	N/A 3800	N/A 1 7/16 in36.513 mm	N/A 3.3750 in85.725 mm	N/A 1.1875 in30.163 mm	N/A 0.9375 in23.813 mm	N/A 1.1876 in30.165 mm	N/A 27900 lbf124000 N	N/A 33200 lbf148000 N	N/A
3878 - 3822RB	N/A 3800	N/A 1 7/16 in36.513 mm	N/A 3.4688 in88.108 mm	N/A 1.1875 in30.163 mm	N/A 0.9375 in23.813 mm	N/A 1.1876 in30.165 mm	N/A 27900 lbf124000 N	N/A 33200 lbf148000 N	N/A
3878A - 3822RB	N/A 3800	N/A 1 7/16 in36.513 mm	N/A 3.4688 in88.108 mm	N/A 1.1875 in30.163 mm	N/A 0.9375 in23.813 mm	N/A 1.1876 in30.165 mm	N/A 27900 lbf124000 N	N/A 33200 lbf148000 N	N/A
44143 - 44348	N/A 44000	N/A 1 7/16 in36.513 mm	N/A 3.4843 in88.501 mm	N/A 0.9330 in23.698 mm	N/A 0.6875 in17.463 mm	N/A 1.0000 in25.400 mm	N/A 22400 lbf99800 N	N/A 19900 lbf88600 N	N/A
44143 - 44354	N/A 44000	N/A 1 7/16 in36.513 mm	N/A 3.543 in89.992 mm	N/A 0.9330 in23.698 mm	N/A 0.6875 in17.463 mm	N/A 1.0000 in25.400 mm	N/A 22400 lbf99800 N	N/A 19900 lbf88600 N	N/A
46143 - 46368	N/A 46000	N/A 1 7/16 in36.513 mm	N/A 3.6875 in93.663 mm	N/A 1.2500 in31.750 mm	N/A 1.0313 in26.195 mm	N/A 1.2500 in31.750 mm	N/A 29100 lbf129000 N	N/A 35500 lbf158000 N	N/A
46143 - 46369	N/A 46000	N/A 1 7/16 in36.513 mm	N/A 3.6875 in93.663 mm	N/A 1.2500 in31.750 mm	N/A 1.0313 in26.195 mm	N/A 1.2501 in31.753 mm	N/A 29100 lbf129000 N	N/A 35500 lbf158000 N	N/A
HM89249 - HM89210	N/A HM89200	N/A 1 7/16 in36.513 mm	N/A 3.1250 in79.375 mm	N/A 1.1350 in28.829 mm	N/A 0.8923 in22.664 mm	N/A 1.1563 in29.370 mm	N/A 28200 lbf126000 N	N/A 27200 lbf121000 N	N/A
HM89449 - HM89410	N/A HM89400	N/A 1 7/16 in36.513 mm	N/A 3 in76.2 mm	N/A 1.1250 in28.575 mm	N/A 0.9063 in23.020 mm	N/A 1.1563 in29.370 mm	N/A 24800 lbf110000 N	N/A 26700 lbf119000 N	N/A
HM89448 - HM89410	N/A HM89400	N/A 1 7/16 in36.513 mm	N/A 3 in76.2 mm	N/A 1.1250 in28.575 mm	N/A 0.9063 in23.020 mm	N/A 1.1563 in29.370 mm	N/A 24800 lbf110000 N	N/A 26700 lbf119000 N	N/A
HM89448 - HM89411	N/A HM89400	N/A 1 7/16 in36.513 mm	N/A 3 in76.2 mm	N/A 1.1250 in28.575 mm	N/A 0.9063 in23.020 mm	N/A 1.1563 in29.370 mm	N/A 24800 lbf110000 N	N/A 26700 lbf119000 N	N/A
HM89449 - HM89411	N/A HM89400	N/A 1 7/16 in36.513 mm	N/A 3 in76.2 mm	N/A 1.1250 in28.575 mm	N/A 0.9063 in23.020 mm	N/A 1.1563 in29.370 mm	N/A 24800 lbf110000 N	N/A 26700 lbf119000 N	N/A
19149X - 19262	N/A 19000	N/A 1.4961 in38.001 mm	N/A 2.6250 in66.675 mm	N/A 0.6504 in16.520 mm	N/A 0.4688 in11.908 mm	N/A 0.6250 in15.875 mm	N/A 11400 lbf50700 N	N/A 13000 lbf57800 N	N/A
19149X - 19267X	N/A 19000	N/A 1.4961 in38.001 mm	N/A 2.6772 in68.001 mm	N/A 0.6504 in16.520 mm	N/A 0.4724 in11.999 mm	N/A 0.6307 in16.020 mm	N/A 11400 lbf50700 N	N/A 13000 lbf57800 N	N/A
19149X - 19268	N/A 19000	N/A 1.4961 in38.001 mm	N/A 2.6875 in68.263 mm	N/A 0.6504 in16.520 mm	N/A 0.4688 in11.908 mm	N/A 0.6250 in15.875 mm	N/A 11400 lbf50700 N	N/A 13000 lbf57800 N	N/A
19149X - 19269	N/A 19000	N/A 1.4961 in38.001 mm	N/A 2.6875 in68.263 mm	N/A 0.6504 in16.520 mm	N/A 0.6311 in16.030 mm	N/A 0.7873 in19.997 mm	N/A 11400 lbf50700 N	N/A 13000 lbf57800 N	N/A
19149X - 19281	N/A 19000	N/A 1.4961 in38.001 mm	N/A 2.8125 in71.438 mm	N/A 0.6504 in16.520 mm	N/A 0.4688 in11.908 mm	N/A 0.6250 in15.875 mm	N/A 11400 lbf50700 N	N/A 13000 lbf57800 N	N/A
19149X - 19282	N/A 19000	N/A 1.4961 in38.001 mm	N/A 2.8125 in71.438 mm	N/A 0.6504 in16.520 mm	N/A 0.6250 in15.875 mm	N/A 0.6875 in17.463 mm	N/A 11400 lbf50700 N	N/A 13000 lbf57800 N	N/A
19149X - 19283	N/A 19000	N/A 1.4961 in38.001 mm	N/A 2.8346 in71.999 mm	N/A 0.6504 in16.520 mm	N/A 0.5625 in14.288 mm	N/A 0.6701 in17.021 mm	N/A 11400 lbf50700 N	N/A 13000 lbf57800 N	N/A
19149X - 19283X	N/A 19000	N/A 1.4961 in38.001 mm	N/A 2.8346 in71.999 mm	N/A 0.6504 in16.520 mm	N/A 0.5625 in14.288 mm	N/A 0.6701 in17.021 mm	N/A 11400 lbf50700 N	N/A 13000 lbf57800 N	N/A
13685A - 13621	N/A 13600	N/A 1 1/2 in38.1 mm	N/A 2.7170 in69.012 mm	N/A 0.7500 in19.050 mm	N/A 0.5938 in15.083 mm	N/A 0.75 in19.05 mm	N/A 15100 lbf67200 N	N/A 15300 lbf67900 N	N/A
13685 - 13621	N/A 13600	N/A 1 1/2 in38.1 mm	N/A 2.7170 in69.012 mm	N/A 0.7500 in19.050 mm	N/A 0.5938 in15.083 mm	N/A 0.75 in19.05 mm	N/A 15100 lbf67200 N	N/A 15300 lbf67900 N	N/A
13687 - 13621	N/A 13600	N/A 1 1/2 in38.1 mm	N/A 2.7170 in69.012 mm	N/A 0.7500 in19.050 mm	N/A 0.5938 in15.083 mm	N/A 0.75 in19.05 mm	N/A 15100 lbf67200 N	N/A 15300 lbf67900 N	N/A
13686 - 13621	N/A 13600	N/A 1 1/2 in38.1 mm	N/A 2.7170 in69.012 mm	N/A 1.0313 in26.195 mm	N/A 0.5938 in15.083 mm	N/A 1.0313 in26.195 mm	N/A 15100 lbf67200 N	N/A 15300 lbf67900 N	N/A

Part Number

Series

d - Bore

D - Cup Outer Diameter

B - Cone Width

C - Cup Width

T - Bearing Width

C1 - Dynamic Radial Rating (1 million revolutions)

C0 - Static Radial Rating

CAD

3878A - 3821

N/A 3800

N/A 1 7/16 in36.513 mm

N/A 3.3750 in85.725 mm

N/A 1.1875 in30.163 mm

N/A 0.9375 in23.813 mm

N/A 1.1876 in30.165 mm

N/A 27900 lbf124000 N

N/A 33200 lbf148000 N

N/A

3878 - 3821

N/A 3800

N/A 1 7/16 in36.513 mm

N/A 3.3750 in85.725 mm

N/A 1.1875 in30.163 mm

N/A 0.9375 in23.813 mm

N/A 1.1876 in30.165 mm

N/A 27900 lbf124000 N

N/A 33200 lbf148000 N

N/A

3878 - 3822RB

N/A 3800

N/A 1 7/16 in36.513 mm

N/A 3.4688 in88.108 mm

N/A 1.1875 in30.163 mm

N/A 0.9375 in23.813 mm

N/A 1.1876 in30.165 mm

N/A 27900 lbf124000 N

N/A 33200 lbf148000 N

N/A

3878A - 3822RB

N/A 3800

N/A 1 7/16 in36.513 mm

N/A 3.4688 in88.108 mm

N/A 1.1875 in30.163 mm

N/A 0.9375 in23.813 mm

N/A 1.1876 in30.165 mm

N/A 27900 lbf124000 N

N/A 33200 lbf148000 N

N/A

44143 - 44348

N/A 44000

N/A 1 7/16 in36.513 mm

N/A 3.4843 in88.501 mm

N/A 0.9330 in23.698 mm

N/A 0.6875 in17.463 mm

N/A 1.0000 in25.400 mm

N/A 22400 lbf99800 N

N/A 19900 lbf88600 N

N/A

44143 - 44354

N/A 44000

N/A 1 7/16 in36.513 mm

N/A 3.543 in89.992 mm

N/A 0.9330 in23.698 mm

N/A 0.6875 in17.463 mm

N/A 1.0000 in25.400 mm

N/A 22400 lbf99800 N

N/A 19900 lbf88600 N

N/A

46143 - 46368

N/A 46000

N/A 1 7/16 in36.513 mm

N/A 3.6875 in93.663 mm

N/A 1.2500 in31.750 mm

N/A 1.0313 in26.195 mm

N/A 1.2500 in31.750 mm

N/A 29100 lbf129000 N

N/A 35500 lbf158000 N

N/A

46143 - 46369

N/A 46000

N/A 1 7/16 in36.513 mm

N/A 3.6875 in93.663 mm

N/A 1.2500 in31.750 mm

N/A 1.0313 in26.195 mm

N/A 1.2501 in31.753 mm

N/A 29100 lbf129000 N

N/A 35500 lbf158000 N

N/A

HM89249 - HM89210

N/A HM89200

N/A 1 7/16 in36.513 mm

N/A 3.1250 in79.375 mm

N/A 1.1350 in28.829 mm

N/A 0.8923 in22.664 mm

N/A 1.1563 in29.370 mm

N/A 28200 lbf126000 N

N/A 27200 lbf121000 N

N/A

HM89449 - HM89410

N/A HM89400

N/A 1 7/16 in36.513 mm

N/A 3 in76.2 mm

N/A 1.1250 in28.575 mm

N/A 0.9063 in23.020 mm

N/A 1.1563 in29.370 mm

N/A 24800 lbf110000 N

N/A 26700 lbf119000 N

N/A

HM89448 - HM89410

N/A HM89400

N/A 1 7/16 in36.513 mm

N/A 3 in76.2 mm

N/A 1.1250 in28.575 mm

N/A 0.9063 in23.020 mm

N/A 1.1563 in29.370 mm

N/A 24800 lbf110000 N

N/A 26700 lbf119000 N

N/A

HM89448 - HM89411

N/A HM89400

N/A 1 7/16 in36.513 mm

N/A 3 in76.2 mm

N/A 1.1250 in28.575 mm

N/A 0.9063 in23.020 mm

N/A 1.1563 in29.370 mm

N/A 24800 lbf110000 N

N/A 26700 lbf119000 N

N/A

HM89449 - HM89411

N/A HM89400

N/A 1 7/16 in36.513 mm

N/A 3 in76.2 mm

N/A 1.1250 in28.575 mm

N/A 0.9063 in23.020 mm

N/A 1.1563 in29.370 mm

N/A 24800 lbf110000 N

N/A 26700 lbf119000 N

N/A

19149X - 19262

N/A 19000

N/A 1.4961 in38.001 mm

N/A 2.6250 in66.675 mm

N/A 0.6504 in16.520 mm

N/A 0.4688 in11.908 mm

N/A 0.6250 in15.875 mm

N/A 11400 lbf50700 N

N/A 13000 lbf57800 N

N/A

19149X - 19267X

N/A 19000

N/A 1.4961 in38.001 mm

N/A 2.6772 in68.001 mm

N/A 0.6504 in16.520 mm

N/A 0.4724 in11.999 mm

N/A 0.6307 in16.020 mm

N/A 11400 lbf50700 N

N/A 13000 lbf57800 N

N/A

19149X - 19268

N/A 19000

N/A 1.4961 in38.001 mm

N/A 2.6875 in68.263 mm

N/A 0.6504 in16.520 mm

N/A 0.4688 in11.908 mm

N/A 0.6250 in15.875 mm

N/A 11400 lbf50700 N

N/A 13000 lbf57800 N

N/A

19149X - 19269

N/A 19000

N/A 1.4961 in38.001 mm

N/A 2.6875 in68.263 mm

N/A 0.6504 in16.520 mm

N/A 0.6311 in16.030 mm

N/A 0.7873 in19.997 mm

N/A 11400 lbf50700 N

N/A 13000 lbf57800 N

N/A

19149X - 19281

N/A 19000

N/A 1.4961 in38.001 mm

N/A 2.8125 in71.438 mm

N/A 0.6504 in16.520 mm

N/A 0.4688 in11.908 mm

N/A 0.6250 in15.875 mm

N/A 11400 lbf50700 N

N/A 13000 lbf57800 N

N/A

19149X - 19282

N/A 19000

N/A 1.4961 in38.001 mm

N/A 2.8125 in71.438 mm

N/A 0.6504 in16.520 mm

N/A 0.6250 in15.875 mm

N/A 0.6875 in17.463 mm

N/A 11400 lbf50700 N

N/A 13000 lbf57800 N

N/A

19149X - 19283

N/A 19000

N/A 1.4961 in38.001 mm

N/A 2.8346 in71.999 mm

N/A 0.6504 in16.520 mm

N/A 0.5625 in14.288 mm

N/A 0.6701 in17.021 mm

N/A 11400 lbf50700 N

N/A 13000 lbf57800 N

N/A

19149X - 19283X

N/A 19000

N/A 1.4961 in38.001 mm

N/A 2.8346 in71.999 mm

N/A 0.6504 in16.520 mm

N/A 0.5625 in14.288 mm

N/A 0.6701 in17.021 mm

N/A 11400 lbf50700 N

N/A 13000 lbf57800 N

N/A

13685A - 13621

N/A 13600

N/A 1 1/2 in38.1 mm

N/A 2.7170 in69.012 mm

N/A 0.7500 in19.050 mm

N/A 0.5938 in15.083 mm

N/A 0.75 in19.05 mm

N/A 15100 lbf67200 N

N/A 15300 lbf67900 N

N/A

13685 - 13621

N/A 13600

N/A 1 1/2 in38.1 mm

N/A 2.7170 in69.012 mm

N/A 0.7500 in19.050 mm

N/A 0.5938 in15.083 mm

N/A 0.75 in19.05 mm

N/A 15100 lbf67200 N

N/A 15300 lbf67900 N

N/A

13687 - 13621

N/A 13600

N/A 1 1/2 in38.1 mm

N/A 2.7170 in69.012 mm

N/A 0.7500 in19.050 mm

N/A 0.5938 in15.083 mm

N/A 0.75 in19.05 mm

N/A 15100 lbf67200 N

N/A 15300 lbf67900 N

N/A

13686 - 13621

N/A 13600

N/A 1 1/2 in38.1 mm

N/A 2.7170 in69.012 mm

N/A 1.0313 in26.195 mm

N/A 0.5938 in15.083 mm

N/A 1.0313 in26.195 mm

N/A 15100 lbf67200 N

N/A 15300 lbf67900 N

N/A