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_TRB_2ROWASSY_TDO_438-90092-A2
TRB TDO Line Drawing
Unit of Measure
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Part Number

Series

d - Bore

D - Cup Outer Diameter

B - Cone Width

C - Double Cup Width

T - Bearing Width across Cones

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)

CAD

EE244180 - 244236CD N/A 244000 N/A 18.0000 in457.200 mm N/A 23.5000 in596.9 mm N/A 2.875 in73.025 mm N/A 4.7500 in120.650 mm N/A 6.4999 in165.097 mm N/A 82400 lbf367000 N N/A 554000 lbf2460000 N N/A CAD
24780 - 24720D N/A 24700 N/A 1 5/8 in41.275 mm N/A 3 in76.2 mm N/A 0.9063 in23.02 mm N/A 1.5625 in39.688 mm N/A 1.9374 in49.210 mm N/A 4400 lbf19600 N N/A 29600 lbf132000 N N/A CAD
24781 - 24720D N/A 24700 N/A 1 5/8 in41.275 mm N/A 3 in76.2 mm N/A 0.9063 in23.02 mm N/A 1.5625 in39.688 mm N/A 1.9374 in49.210 mm N/A 4400 lbf19600 N N/A 29600 lbf132000 N N/A CAD
24781 - 24720XD N/A 24700 N/A 1 5/8 in41.275 mm N/A 3 in76.2 mm N/A 0.9063 in23.02 mm N/A 1.5625 in39.688 mm N/A 1.9374 in49.210 mm N/A 4400 lbf19600 N N/A 29600 lbf132000 N N/A CAD
2581 - 2523D N/A 2500 N/A 1 5/16 in33.338 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 2.2500 in57.150 mm N/A 2.6250 in66.675 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
2586 - 2523D N/A 2500 N/A 1.1811 in30 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 2.2500 in57.150 mm N/A 2.6250 in66.675 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
2582 - 2523D N/A 2500 N/A 1 1/4 in31.750 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 2.2500 in57.150 mm N/A 2.6250 in66.675 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
2584 - 2523D N/A 2500 N/A 1.2808 in32.532 mm N/A 2.7500 in69.850 mm N/A 1.0608 in26.944 mm N/A 2.2500 in57.150 mm N/A 2.7500 in69.850 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
2558 - 2523D N/A 2500 N/A 1 3/16 in30.163 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 2.2500 in57.150 mm N/A 2.6250 in66.675 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
2585 - 2523D N/A 2500 N/A 1 5/16 in33.338 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 2.2500 in57.150 mm N/A 2.6250 in66.675 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
2560X - 2523D N/A 2500 N/A 1.1811 in30 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 2.2500 in57.150 mm N/A 2.6250 in66.675 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
2580A - 2523D N/A 2500 N/A 1 1/4 in31.750 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 2.2500 in57.150 mm N/A 2.6250 in66.675 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
2580 - 2523D N/A 2500 N/A 1 1/4 in31.750 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 2.2500 in57.150 mm N/A 2.6250 in66.675 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
2578 - 2523D N/A 2500 N/A 1 1/8 in28.575 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 2.2500 in57.150 mm N/A 2.6250 in66.675 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
2559 - 2523D N/A 2500 N/A 1 3/16 in30.163 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 2.2500 in57.150 mm N/A 2.6250 in66.675 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
2585 - 2524YD N/A 2500 N/A 1 5/16 in33.338 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 2.2500 in57.150 mm N/A 2.6250 in66.675 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
2582 - 2524YD N/A 2500 N/A 1 1/4 in31.750 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 2.2500 in57.150 mm N/A 2.6250 in66.675 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
2581 - 2524YD N/A 2500 N/A 1 5/16 in33.338 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 2.2500 in57.150 mm N/A 2.6250 in66.675 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
2578 - 2524YD N/A 2500 N/A 1 1/8 in28.575 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 2.2500 in57.150 mm N/A 2.6250 in66.675 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
2558 - 2524YD N/A 2500 N/A 1 3/16 in30.163 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 2.2500 in57.150 mm N/A 2.6250 in66.675 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
2580 - 2524YD N/A 2500 N/A 1 1/4 in31.750 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 2.2500 in57.150 mm N/A 2.6250 in66.675 mm N/A 4880 lbf21700 N N/A 32800 lbf146000 N N/A CAD
25580 - 25520D N/A 25500 N/A 1 3/4 in44.450 mm N/A 3.2650 in82.931 mm N/A 1.0000 in25.400 mm N/A 1.8750 in47.625 mm N/A 2.2500 in57.150 mm N/A 5270 lbf23500 N N/A 35400 lbf158000 N N/A CAD
25576 - 25520D N/A 25500 N/A 1 11/16 in42.863 mm N/A 3.2650 in82.931 mm N/A 1.0000 in25.400 mm N/A 1.8750 in47.625 mm N/A 2.2500 in57.150 mm N/A 5270 lbf23500 N N/A 35400 lbf158000 N N/A CAD
25584 - 25520D N/A 25500 N/A 1.7710 in44.983 mm N/A 3.2650 in82.931 mm N/A 1.0000 in25.400 mm N/A 1.8750 in47.625 mm N/A 2.2500 in57.150 mm N/A 5270 lbf23500 N N/A 35400 lbf158000 N N/A CAD
25577 - 25520D N/A 25500 N/A 1.6880 in42.875 mm N/A 3.2650 in82.931 mm N/A 1.0000 in25.400 mm N/A 1.8750 in47.625 mm N/A 2.2500 in57.150 mm N/A 5270 lbf23500 N N/A 35400 lbf158000 N N/A CAD
Unit of Measure
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