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_1ROWASSY_TS_32005X-90KA1-A
TRB TS Line Drawing
Unit of Measure
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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

HM252349 - HM252310 N/A HM252300 N/A 10.2500 in260.350 mm N/A 16.6250 in422.275 mm N/A 3.1406 in79.771 mm N/A 2.6250 in66.675 mm N/A 3.3906 in86.121 mm N/A 348000 lbf1550000 N N/A 475000 lbf2110000 N N/A
HM252348 - HM252310 N/A HM252300 N/A 10.2500 in260.350 mm N/A 16.6250 in422.275 mm N/A 3.1406 in79.771 mm N/A 2.6250 in66.675 mm N/A 3.3906 in86.121 mm N/A 337000 lbf1500000 N N/A 455000 lbf2020000 N N/A
HM252349 - HM252315 N/A HM252300 N/A 10.2500 in260.350 mm N/A 16.9970 in431.724 mm N/A 3.1406 in79.771 mm N/A 2.3750 in60.325 mm N/A 3.2500 in82.550 mm N/A 348000 lbf1550000 N N/A 475000 lbf2110000 N N/A
HM252348WS - HM252315 N/A HM252300 N/A 10.2500 in260.350 mm N/A 16.9970 in431.724 mm N/A 3.1406 in79.771 mm N/A 2.3750 in60.325 mm N/A 3.2500 in82.550 mm N/A 369000 lbf1640000 N N/A 455000 lbf2020000 N N/A
HM252348 - HM252315 N/A HM252300 N/A 10.2500 in260.350 mm N/A 16.9970 in431.724 mm N/A 3.1406 in79.771 mm N/A 2.3750 in60.325 mm N/A 3.2500 in82.550 mm N/A 337000 lbf1500000 N N/A 455000 lbf2020000 N N/A
LM451344 - LM451310 N/A LM451300 N/A 10.3533 in262.974 mm N/A 14 in355.6 mm N/A 2.4409 in61.999 mm N/A 1.7500 in44.450 mm N/A 2.2500 in57.150 mm N/A 143000 lbf637000 N N/A 296000 lbf1310000 N N/A
LM451344 - LM451310V N/A LM451300 N/A 10.3533 in262.974 mm N/A 14 in355.6 mm N/A 2.4409 in61.999 mm N/A 1.7500 in44.450 mm N/A 2.2500 in57.150 mm N/A 143000 lbf637000 N N/A 296000 lbf1310000 N N/A
38880 - 38820 N/A 38800 N/A 10.3750 in263.525 mm N/A 12.8125 in325.438 mm N/A 1.1250 in28.575 mm N/A 1.0000 in25.400 mm N/A 1.1250 in28.575 mm N/A 49800 lbf221000 N N/A 125000 lbf554000 N N/A
LM451345 - LM451310 N/A LM451300 N/A 10.3750 in263.525 mm N/A 14 in355.6 mm N/A 2.2500 in57.150 mm N/A 1.7500 in44.450 mm N/A 2.2500 in57.150 mm N/A 158000 lbf701000 N N/A 339000 lbf1510000 N N/A
LM451345 - LM451310V N/A LM451300 N/A 10.3750 in263.525 mm N/A 14 in355.6 mm N/A 2.2500 in57.150 mm N/A 1.7500 in44.450 mm N/A 2.2500 in57.150 mm N/A 158000 lbf701000 N N/A 339000 lbf1510000 N N/A
LM451347 - LM451310 N/A LM451300 N/A 10.4321 in264.975 mm N/A 14 in355.6 mm N/A 2.4409 in61.999 mm N/A 1.7500 in44.450 mm N/A 2.2500 in57.150 mm N/A 143000 lbf637000 N N/A 296000 lbf1310000 N N/A
LM451347 - LM451310V N/A LM451300 N/A 10.4321 in264.975 mm N/A 14 in355.6 mm N/A 2.4409 in61.999 mm N/A 1.7500 in44.450 mm N/A 2.2500 in57.150 mm N/A 143000 lbf637000 N N/A 296000 lbf1310000 N N/A
38884 - 38820 N/A 38800 N/A 10.4945 in266.560 mm N/A 12.8125 in325.438 mm N/A 1.3177 in33.470 mm N/A 1.0000 in25.400 mm N/A 1.1614 in29.500 mm N/A 48100 lbf214000 N N/A 118000 lbf527000 N N/A
EE275105 - 275155 N/A 275000 N/A 10 1/2 in266.7 mm N/A 15.5 in393.7 mm N/A 2.7500 in69.850 mm N/A 1.9687 in50.005 mm N/A 2.9062 in73.817 mm N/A 228000 lbf1010000 N N/A 359000 lbf1600000 N N/A
EE275105 - 275158 N/A 275000 N/A 10 1/2 in266.7 mm N/A 15.8750 in403.225 mm N/A 2.7500 in69.850 mm N/A 1.8125 in46.038 mm N/A 2.7500 in69.850 mm N/A 228000 lbf1010000 N N/A 359000 lbf1600000 N N/A
EE275105 - 275160 N/A 275000 N/A 10 1/2 in266.7 mm N/A 16.0000 in406.400 mm N/A 2.7500 in69.850 mm N/A 1.8125 in46.038 mm N/A 2.7500 in69.850 mm N/A 228000 lbf1010000 N N/A 359000 lbf1600000 N N/A
29880 - 29819 N/A 29800 N/A 10 1/2 in266.7 mm N/A 12.5000 in317.500 mm N/A 0.875 in22.225 mm N/A 0.6250 in15.875 mm N/A 0.8751 in22.228 mm N/A 33900 lbf151000 N N/A 87800 lbf391000 N N/A
29880 - 29820 N/A 29800 N/A 10 1/2 in266.7 mm N/A 12.75 in323.85 mm N/A 0.875 in22.225 mm N/A 0.6250 in15.875 mm N/A 0.8750 in22.225 mm N/A 33900 lbf151000 N N/A 87800 lbf391000 N N/A
38885 - 38820 N/A 38800 N/A 10 1/2 in266.7 mm N/A 12.8125 in325.438 mm N/A 1.1250 in28.575 mm N/A 1.0000 in25.400 mm N/A 1.1250 in28.575 mm N/A 49800 lbf221000 N N/A 125000 lbf554000 N N/A
38886 - 38820 N/A 38800 N/A 10 1/2 in266.7 mm N/A 12.8125 in325.438 mm N/A 1.3177 in33.470 mm N/A 1.0000 in25.400 mm N/A 1.1614 in29.500 mm N/A 50900 lbf227000 N N/A 118000 lbf527000 N N/A
LL450749AA - 38820 N/A LL450700 N/A 10 1/2 in266.7 mm N/A 12.8125 in325.438 mm N/A 1.3401 in34.039 mm N/A 1.0000 in25.400 mm N/A 1.1615 in29.502 mm N/A 51700 lbf230000 N N/A 114000 lbf507000 N N/A
H852849 - H852810 N/A H852800 N/A 10 1/2 in266.7 mm N/A 17.5 in444.5 mm N/A 4.6250 in117.475 mm N/A 3.5000 in88.900 mm N/A 4.7500 in120.650 mm N/A 410000 lbf1820000 N N/A 791000 lbf3520000 N N/A
LM451349 - LM451310 N/A LM451300 N/A 10 1/2 in266.7 mm N/A 14 in355.6 mm N/A 2.2500 in57.150 mm N/A 1.7500 in44.450 mm N/A 2.2500 in57.150 mm N/A 167000 lbf743000 N N/A 339000 lbf1510000 N N/A
LM451349A - LM451310 N/A LM451300 N/A 10 1/2 in266.7 mm N/A 14 in355.6 mm N/A 2.2500 in57.150 mm N/A 1.7500 in44.450 mm N/A 2.2500 in57.150 mm N/A 158000 lbf701000 N N/A 339000 lbf1510000 N N/A
LM451349AX - LM451310 N/A LM451300 N/A 10 1/2 in266.7 mm N/A 14 in355.6 mm N/A 2.2500 in57.150 mm N/A 1.7500 in44.450 mm N/A 2.2500 in57.150 mm N/A 158000 lbf701000 N N/A 339000 lbf1510000 N N/A
Unit of Measure
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