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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.
timken-TSL-top-angle-view
Unit of Measure
1 

Part Number

Series

Bore (d)

O.D. (D)

Inner Ring Width (B)

Outer Ring Width (C)

Width (T)

T1 - Total Width

Dynamic Radial Load Rating - 1M Revs (C1) 

Static Radial Load Rating (C0)

CAD

LM11949 - LM11910 (LM11900EA) N/A LM11900 N/A 3/4 in19.05 mm N/A 1.781 in45.237 mm N/A 0.655 in16.637 mm N/A 0.475 in12.065 mm N/A 0.61 in15.494 mm N/A 0.641 in16.281 mm N/A 8800 lbf39100 N N/A 7200 lbf32000 N N/A
LM11949 - LM11910 (LM11900LA) N/A LM11900 N/A 3/4 in19.05 mm N/A 1.781 in45.237 mm N/A 0.655 in16.637 mm N/A 0.475 in12.065 mm N/A 0.61 in16.281 mm N/A 0.685 in17.4 mm N/A 8800 lbf39100 N N/A 7200 lbf32000 N N/A
M12649 - M12610 (M12600LA) N/A M12600 N/A 0.8437 in21.43 mm N/A 1.9687 in50.005 mm N/A 0.72 in18.288 mm N/A 0.55 in13.97 mm N/A 0.69 in17.526 mm N/A 0.765 in19.43 mm N/A 11700 lbf52200 N N/A 9780 lbf43500 N N/A
07100 - 07196 (07000LA) N/A 07000 N/A 1 in25.4 mm N/A 1.9687 in50.005 mm N/A 0.5614 in14.260 mm N/A 0.375 in9.525 mm N/A 0.5313 in13.495 mm N/A 0.606 in15.4 mm N/A 6540 lbf29100 N N/A 6650 lbf29600 N N/A
L44642 - L44610 (L44600LC) N/A L44600 N/A 1 in25.4 mm N/A 1.98 in50.292 mm N/A 0.58 in14.732 mm N/A 0.42 in10.668 mm N/A 0.56 in14.224 mm N/A 0.588 in14.935 mm N/A 8010 lbf35600 N N/A 7400 lbf32900 N N/A
L44643 - L44610 (L44600LA) N/A L44600 N/A 1 in25.4 mm N/A 1.98 in50.292 mm N/A 0.58 in14.732 mm N/A 0.42 in10.668 mm N/A 0.56 in14.224 mm N/A 0.635 in16.13 mm N/A 8010 lbf35600 N N/A 7400 lbf32900 N N/A
L44643X - L44610 (L44600LB) N/A L44600 N/A 1 in25.4 mm N/A 1.98 in50.292 mm N/A 0.58 in14.732 mm N/A 0.42 in10.668 mm N/A 0.56 in14.224 mm N/A 0.635 in16.13 mm N/A 8010 lbf35600 N N/A 7400 lbf32900 N N/A
LM67048 - LM67010 (LM67000LA) N/A LM67000 N/A 1.25 in31.75 mm N/A 2.328 in59.131 mm N/A 0.66 in16.764 mm N/A 0.465 in11.811 mm N/A 0.625 in15.875 mm N/A 0.7 in17.78 mm N/A 10500 lbf46700 N N/A 10000 lbf44600 N N/A
LM48548 - LM48510 (LM48500LA) N/A LM48500 N/A 1.375 in34.925 mm N/A 2.5625 in65.088 mm N/A 0.72 in18.288 mm N/A 0.55 in13.97 mm N/A 0.71 in18.034 mm N/A 0.7850 in19.940 mm N/A 14500 lbf64600 N N/A 14200 lbf63100 N N/A
LM29748 - LM29710 (LM29700LA) N/A LM29700 N/A 1.5 in38.1 mm N/A 2.5625 in65.088 mm N/A 0.72 in18.288 mm N/A 0.55 in13.97 mm N/A 0.71 in18.034 mm N/A 0.7850 in19.940 mm N/A 10900 lbf48600 N N/A 13600 lbf60300 N N/A
13685 - 13621A (13600LA) N/A 13600 N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 0.75 in19.05 mm N/A 0.5638 in14.321 mm N/A 0.72 in18.288 mm N/A 0.795 in20.19 mm N/A 15100 lbf67200 N N/A 15300 lbf67900 N N/A
13685 - 13621 (13600LA) N/A 13600 N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 0.75 in19.05 mm N/A 0.5938 in15.083 mm N/A 0.75 in19.05 mm N/A 0.825 in20.96 mm N/A 15100 lbf67200 N N/A 15300 lbf67900 N N/A
390A - 394A (395LC) N/A 395 N/A 2.5 in63.5 mm N/A 4.3307 in110 mm N/A 0.866 in21.996 mm N/A 0.7411 in18.824 mm N/A 0.8661 in21.999 mm N/A 0.9141 in23.218 mm N/A 22200 lbf98900 N N/A 28100 lbf125000 N N/A
479 - 472A (K668182) N/A N/A 2.625 in66.675 mm N/A 4.7244 in120 mm N/A 1.142 in29.007 mm N/A 0.9230 in23.444 mm N/A 1.1418 in29.002 mm N/A 1.2720 in32.418 mm N/A 32200 lbf143000 N N/A 41900 lbf186000 N N/A
399A - 394A (395LA) N/A 395 N/A 2.6875 in68.263 mm N/A 4.3307 in110 mm N/A 0.866 in21.996 mm N/A 0.7411 in18.824 mm N/A 0.8661 in21.999 mm N/A 0.97 in24.64 mm N/A 22200 lbf98900 N N/A 28100 lbf125000 N N/A
399A - 394AS (395LA) N/A 395 N/A 2.6875 in68.263 mm N/A 4.3307 in110 mm N/A 0.866 in21.996 mm N/A 0.7411 in18.824 mm N/A 0.8661 in21.999 mm N/A 0.9141 in23.218 mm N/A 22200 lbf98900 N N/A 28100 lbf125000 N N/A
Unit of Measure
1