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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timken-TNA-top-angle-view
Unit of Measure
1 2 3 4 5 

Part Number

Bore (d)

O.D. (D)

T - Bearing Width across Cones

Outer Ring Width (C)

C1 - Dynamic Radial Rating (1 million revolutions)

CAD

NA15118SW / 15251D N/A 1.1811 in30 mm N/A 2.5 in63.5 mm N/A 1.9981 in50.752 mm N/A 1.4375 in36.513 mm N/A 19800 lbf88000 N N/A
NA15117SW / 15251D N/A 1.1813 in30.005 mm N/A 2.5 in63.5 mm N/A 2 in50.8 mm N/A 1.4375 in36.513 mm N/A 19800 lbf88000 N N/A
NA435SW / 432D N/A 1.75 in44.45 mm N/A 3.75 in95.25 mm N/A 2.8126 in71.44 mm N/A 2 in50.8 mm N/A 49700 lbf221000 N N/A
NA456SW / 452D N/A 2 in50.8 mm N/A 4.25 in107.95 mm N/A 2.9376 in74.615 mm N/A 2.125 in53.975 mm N/A 53100 lbf236000 N N/A
NA483SW / 472D N/A 2.7559 in70 mm N/A 4.7244 in120.000 mm N/A 2.9376 in74.615 mm N/A 2.125 in53.975 mm N/A 56100 lbf250000 N N/A
NA580SW / 572D N/A 3.25 in82.55 mm N/A 5.5115 in139.992 mm N/A 3.625 in92.075 mm N/A 2.625 in66.675 mm N/A 80900 lbf360000 N N/A
NA56393SW / 56649D N/A 3.9360 in99.975 mm N/A 6.4951 in164.976 mm N/A 3.5 in88.9 mm N/A 2.5 in63.5 mm N/A 88600 lbf394000 N N/A
NA56425SW / 56650D N/A 4.25 in107.95 mm N/A 6.5 in165.1 mm N/A 3.5 in88.9 mm N/A 2.5 in63.5 mm N/A 88600 lbf394000 N N/A
NA64432SW / 64708D N/A 4.3297 in109.975 mm N/A 7.0856 in179.974 mm N/A 4 in101.6 mm N/A 2.75 in69.85 mm N/A 99600 lbf443000 N N/A
NA48290SW / 48220D N/A 5 in127 mm N/A 7.1875 in182.563 mm N/A 3.6874 in93.660 mm N/A 2.875 in73.025 mm N/A 105000 lbf466000 N N/A
NA48685SW / 48620D N/A 5.625 in142.875 mm N/A 7.875 in200.025 mm N/A 3.6876 in93.665 mm N/A 2.875 in73.025 mm N/A 112000 lbf499000 N N/A
NA48990SW / 48920D N/A 6 in152.4 mm N/A 8.3125 in211.138 mm N/A 3.625 in92.075 mm N/A 2.75 in69.85 mm N/A 114000 lbf508000 N N/A
NA46790SW / 46720CD N/A 6.5 in165.1 mm N/A 8.875 in225.425 mm N/A 3.75 in95.25 mm N/A 2.75 in69.85 mm N/A 119000 lbf528000 N N/A
NA87700SW / 87112D N/A 7 in177.8 mm N/A 11.125 in282.575 mm N/A 4.25 in107.95 mm N/A 3.125 in79.375 mm N/A 199000 lbf886000 N N/A
LM637349NW / LM637310D N/A 7.25 in184.15 mm N/A 9.5625 in242.888 mm N/A 3.75 in95.25 mm N/A 2.75 in69.85 mm N/A 122000 lbf541000 N N/A
NA67885SW / 67820CD N/A 7.5 in190.5 mm N/A 10.5 in266.7 mm N/A 4.3125 in109.538 mm N/A 3.3125 in84.138 mm N/A 163000 lbf725000 N N/A
LM241149NW / LM241110D N/A 8 in203.2 mm N/A 10.875 in276.225 mm N/A 3.75 in95.25 mm N/A 2.875 in73.025 mm N/A 172000 lbf764000 N N/A
LM446349NW / LM446310D N/A 9.25 in234.95 mm N/A 12.25 in311.15 mm N/A 4 in101.6 mm N/A 2.875 in73.025 mm N/A 173000 lbf768000 N N/A
LM249747NW / LM249710CD N/A 9.999 in253.975 mm N/A 13.6875 in347.663 mm N/A 4 in101.6 mm N/A 2.75 in69.85 mm N/A 240000 lbf1070000 N N/A
NA221027SW / 221576CD N/A 10.25 in260.35 mm N/A 15.75 in400.05 mm N/A 5.75 in146.05 mm N/A 4.25 in107.95 mm N/A 324000 lbf1440000 N N/A
LM251649NW / LM251610D N/A 10.5 in266.7 mm N/A 13.875 in352.425 mm N/A 4.25 in107.95 mm N/A 3.25 in82.55 mm N/A 221000 lbf985000 N N/A
L357049NW / L357010CD N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 4.25 in107.95 mm N/A 3.25 in82.55 mm N/A 229000 lbf1020000 N N/A
Unit of Measure
1 2 3 4 5