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

NA780 / 774CD N/A 4 in101.6 mm N/A 7.125 in180.975 mm N/A 4.125 in104.775 mm N/A 3.375 in85.725 mm N/A 135000 lbf603000 N N/A
NA861 / 854D N/A 4 in101.6 mm N/A 7.5 in190.5 mm N/A 5 in127 mm N/A 4 in101.6 mm N/A 179000 lbf797000 N N/A
HH221449NA / HH221410D N/A 4 in101.6 mm N/A 7.5 in190.5 mm N/A 5 in127 mm N/A 4.125 in104.775 mm N/A 209000 lbf929000 N N/A
NA782 / 774CD N/A 4.125 in104.775 mm N/A 7.125 in180.975 mm N/A 4.125 in104.775 mm N/A 3.375 in85.725 mm N/A 135000 lbf603000 N N/A
NA71450 / 71751D N/A 4.5 in114.3 mm N/A 7.5 in190.5 mm N/A 4.1875 in106.362 mm N/A 3.1875 in80.963 mm N/A 142000 lbf633000 N N/A
NA97450 / 97901D N/A 4.5 in114.3 mm N/A 9 in228.6 mm N/A 4.5625 in115.888 mm N/A 3.3125 in84.138 mm N/A 147000 lbf655000 N N/A
HM926740NA / HM926710CD N/A 4.5 in114.3 mm N/A 9 in228.6 mm N/A 4.5625 in115.888 mm N/A 3.3125 in84.138 mm N/A 194000 lbf862000 N N/A
NA48291 / 48220D N/A 5 in127 mm N/A 7.1875 in182.563 mm N/A 3.375 in85.725 mm N/A 2.875 in73.025 mm N/A 105000 lbf466000 N N/A
NA48385 / 48320D N/A 5.25 in133.35 mm N/A 7.5 in190.5 mm N/A 3.375 in85.725 mm N/A 2.875 in73.025 mm N/A 111000 lbf492000 N N/A
NA82576 / 82932D N/A 5.75 in146.05 mm N/A 9.3125 in236.538 mm N/A 5.1875 in131.762 mm N/A 4.1875 in106.363 mm N/A 202000 lbf897000 N N/A
HM231140NA / HM231116D N/A 5.75 in146.05 mm N/A 9.5 in241.3 mm N/A 5.1875 in131.762 mm N/A 4.1875 in106.363 mm N/A 234000 lbf1040000 N N/A
NA82587 / 82932D N/A 5.875 in149.225 mm N/A 9.3125 in236.538 mm N/A 5.1875 in131.762 mm N/A 4.1875 in106.363 mm N/A 202000 lbf897000 N N/A
HM231149NA / HM231116D N/A 5.875 in149.225 mm N/A 9.5 in241.3 mm N/A 5.1875 in131.762 mm N/A 4.1875 in106.363 mm N/A 234000 lbf1040000 N N/A
NA99600 / 99102CD N/A 6 in152.4 mm N/A 10 in254 mm N/A 5.625 in142.875 mm N/A 4.375 in111.125 mm N/A 258000 lbf1150000 N N/A
NA94650 / 94118D N/A 6.5 in165.1 mm N/A 11.75 in298.45 mm N/A 5.625 in142.875 mm N/A 4.375 in111.125 mm N/A 258000 lbf1150000 N N/A
NA87700 / 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 168000 lbf748000 N N/A
NA94700 / 94117D N/A 7 in177.8 mm N/A 11.75 in298.45 mm N/A 5.625 in142.875 mm N/A 5.5 in139.7 mm N/A 258000 lbf1150000 N N/A
NA94700 / 94118D N/A 7 in177.8 mm N/A 11.75 in298.45 mm N/A 5.625 in142.875 mm N/A 4.375 in111.125 mm N/A 258000 lbf1150000 N N/A
NA537075 / 537103D N/A 7.5 in190.5 mm N/A 10.25 in260.350 mm N/A 2.625 in66.675 mm N/A 2 in50.8 mm N/A 92100 lbf410000 N N/A
NA132083 / 132126D N/A 8 in203.2 mm N/A 12.5 in317.5 mm N/A 4.75 in120.65 mm N/A 3.5 in88.9 mm N/A 207000 lbf919000 N N/A
HM252343NA / HM252311D N/A 10 in254 mm N/A 16.625 in422.275 mm N/A 6.8125 in173.038 mm N/A 5.0625 in128.588 mm N/A 587000 lbf2610000 N N/A
HM252344NA / HM252315CD N/A 10 in254 mm N/A 16.997 in431.724 mm N/A 6.8125 in173.038 mm N/A 5.0625 in128.588 mm N/A 605000 lbf2690000 N N/A
HM252343NA / HM252315CD N/A 10 in254 mm N/A 16.997 in431.724 mm N/A 6.8125 in173.038 mm N/A 5.0625 in128.588 mm N/A 587000 lbf2610000 N N/A
HM252349NA / HM252311D N/A 10.25 in260.35 mm N/A 16.625 in422.275 mm N/A 6.8125 in173.038 mm N/A 5.0625 in128.588 mm N/A 605000 lbf2690000 N N/A
HM252348NA / HM252311D N/A 10.25 in260.35 mm N/A 16.625 in422.275 mm N/A 6.8125 in173.038 mm N/A 5.0625 in128.588 mm N/A 587000 lbf2610000 N N/A
Unit of Measure
1 2 3 4 5