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

25578 - 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
25570 - 25520D N/A 25500 N/A 1 7/16 in36.513 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
25572 - 25520D N/A 25500 N/A 1 1/2 in38.1 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
25581 - 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
25592 - 25520D N/A 25500 N/A 1.8125 in46.038 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
25583 - 25520D N/A 25500 N/A 1 3/4 in44.450 mm N/A 3.2650 in82.931 mm N/A 1.4125 in35.878 mm N/A 1.8750 in47.625 mm N/A 3.0750 in78.105 mm N/A 5270 lbf23500 N N/A 35400 lbf158000 N N/A CAD
25584A - 25520D N/A 25500 N/A 1.7712 in44.988 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
25590 - 25520D N/A 25500 N/A 1.7960 in45.618 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
25582 - 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
25578 - 25520DC 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
25582 - 25520DC 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
25583 - 25520DC N/A 25500 N/A 1 3/4 in44.450 mm N/A 3.2650 in82.931 mm N/A 1.4125 in35.878 mm N/A 1.8750 in47.625 mm N/A 3.0750 in78.105 mm N/A 5270 lbf23500 N N/A 35400 lbf158000 N N/A CAD
25584 - 25520DC 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
25584A - 25520DC N/A 25500 N/A 1.7712 in44.988 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
25592 - 25520DC N/A 25500 N/A 1.8125 in46.038 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
25581 - 25520DC 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
25580 - 25520DC 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
25577 - 25520DC 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
25576 - 25520DC 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
25590 - 25520DC N/A 25500 N/A 1.7960 in45.618 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
25572 - 25520DC N/A 25500 N/A 1 1/2 in38.1 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
25570 - 25520DC N/A 25500 N/A 1 7/16 in36.513 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
26132 - 26282D N/A 26000 N/A 1 5/16 in33.338 mm N/A 2.8125 in71.438 mm N/A 0.7450 in18.923 mm N/A 1.4375 in36.513 mm N/A 1.6875 in42.863 mm N/A 4060 lbf18100 N N/A 27300 lbf121000 N N/A CAD
26126 - 26282D N/A 26000 N/A 1.2600 in32.004 mm N/A 2.8125 in71.438 mm N/A 0.7450 in18.923 mm N/A 1.4375 in36.513 mm N/A 1.6875 in42.863 mm N/A 3420 lbf15200 N N/A 23000 lbf102000 N N/A CAD
26131 - 26282D N/A 26000 N/A 1 5/16 in33.338 mm N/A 2.8125 in71.438 mm N/A 0.7450 in18.923 mm N/A 1.4375 in36.513 mm N/A 1.6875 in42.863 mm N/A 4060 lbf18100 N N/A 27300 lbf121000 N N/A CAD
Unit of Measure
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