The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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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_TRB_SINGLECONE_TS
TRB TS Cone Line Drawing
Unit of Measure
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Part Number

Series

Bore (d)

Inner Ring Width (B)

Dynamic Radial Load Rating - 1M Revs (C1) 

Static Radial Load Rating (C0)

CAD

NA691 N/A N/A 4 in101.6 mm N/A 1.8125 in46.0375 mm N/A N/A N/A
NA780 N/A N/A 4 in101.6 mm N/A 2.0625 in52.3875 mm N/A N/A N/A
NA861 N/A N/A 4 in101.6 mm N/A 2.5 in63.5 mm N/A N/A N/A
HH221449NA N/A N/A 4 in101.6 mm N/A 2.5 in63.5 mm N/A N/A N/A
NA691SW N/A N/A 4 in101.6 mm N/A 1.8125 in46.0375 mm N/A N/A N/A
689 N/A 675 N/A 4.0625 in103.188 mm N/A 1.625 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A
71412 N/A 71000 N/A 4.125 in104.775 mm N/A 1.9375 in49.213 mm N/A 81700 lbf364000 N N/A 122000 lbf543000 N N/A
782 N/A 775 N/A 4.125 in104.775 mm N/A 1.89 in48.006 mm N/A 77800 lbf346000 N N/A 111000 lbf495000 N N/A
786 N/A 775 N/A 4.125 in104.775 mm N/A 1.89 in48.006 mm N/A 77800 lbf346000 N N/A 111000 lbf495000 N N/A
787 N/A 775 N/A 4.125 in104.775 mm N/A 1.89 in48.006 mm N/A 77800 lbf346000 N N/A 111000 lbf495000 N N/A
LL521845 N/A N/A 4.125 in104.775 mm N/A 0.5938 in15.083 mm N/A 13800 lbf61400 N N/A 24000 lbf107000 N N/A
NA782 N/A N/A 4.125 in104.775 mm N/A 2.0625 in52.3875 mm N/A N/A N/A
56418 N/A 56000 N/A 4.1875 in106.363 mm N/A 1.4375 in36.513 mm N/A 50900 lbf226000 N N/A 79700 lbf355000 N N/A
LM121349 N/A N/A 4.2116 in106.975 mm N/A 1.1024 in28.001 mm N/A 38400 lbf171000 N N/A 64100 lbf285000 N N/A
37425 N/A 37000 N/A 4.25 in107.95 mm N/A 0.844 in21.438 mm N/A 30700 lbf137000 N N/A 40100 lbf179000 N N/A
37425N N/A 37000 N/A 4.25 in107.95 mm N/A 0.844 in21.438 mm N/A 30700 lbf137000 N N/A 40100 lbf179000 N N/A
48190 N/A N/A 4.25 in107.95 mm N/A 1.375 in34.925 mm N/A 43200 lbf192000 N N/A 69200 lbf308000 N N/A
56425 N/A 56000 N/A 4.25 in107.95 mm N/A 1.4375 in36.513 mm N/A 50900 lbf226000 N N/A 79700 lbf355000 N N/A
56425W N/A 56000 N/A 4.25 in107.95 mm N/A 1.4375 in36.513 mm N/A 50900 lbf226000 N N/A 79700 lbf355000 N N/A
56426 N/A 56000 N/A 4.25 in107.95 mm N/A 1.4375 in36.513 mm N/A 50900 lbf226000 N N/A 79700 lbf355000 N N/A
56426N N/A 56000 N/A 4.25 in107.95 mm N/A 1.4375 in36.513 mm N/A 50900 lbf226000 N N/A 79700 lbf355000 N N/A
67425 N/A N/A 4.25 in107.95 mm N/A 1.1875 in30.163 mm N/A 52500 lbf233000 N N/A 60300 lbf268000 N N/A
71425 N/A 71000 N/A 4.25 in107.95 mm N/A 1.9375 in49.213 mm N/A 81700 lbf364000 N N/A 122000 lbf543000 N N/A
936 N/A 935 N/A 4.25 in107.95 mm N/A 2.625 in66.675 mm N/A 129000 lbf572000 N N/A 177000 lbf786000 N N/A
HH224340 N/A HH224300 N/A 4.25 in107.95 mm N/A 2.625 in66.675 mm N/A 153000 lbf680000 N N/A 204000 lbf906000 N N/A
Unit of Measure
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