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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Available in single, double, and multi-row configurations as well as proprietary sizes, these bearings are developed in collaboration with OE engineers to deliver premium performance across various applications. Their power-dense designs support heavier loads and help extend bearing life, while optimized internal geometry reduces torque and operating temperatures to prolong lubrication system life. Additionally, they can be engineered with proprietary enhancements to withstand highly corrosive conditions, high temperatures, vacuum environments, or situations with limited lubrication.
Timken_TRB_2ROWASSY_TDO_438-90092-A3
TRB TDO Line Drawing
Unit of Measure
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Part Number

Bore (d)

O.D. (D)

Outer Ring Width (C)

Width (T)

Inner Ring Width (B)

Dynamic Radial Load Rating - 1M Revs (C1) 

Dynamic Radial Load Rating - 90M Revs (C90)

Series

CAD

438-99474 N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 2 in50.8 mm N/A 2.4376 in61.915 mm N/A 1.1772 in29.901 mm N/A 49700 lbf221000 N N/A 7400 lbf32900 N N/A 435 N/A
438-90022 N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 2 in50.8 mm N/A 2.4376 in61.915 mm N/A 1.1772 in29.901 mm N/A 49700 lbf221000 N N/A 7400 lbf32900 N N/A 435 N/A
438-90092 N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 2 in50.8 mm N/A 2.4376 in61.915 mm N/A 1.1772 in29.901 mm N/A 49700 lbf221000 N N/A 7400 lbf32900 N N/A 435 N/A
438-90068 N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 2 in50.8 mm N/A 2.4376 in61.915 mm N/A 1.1772 in29.901 mm N/A 49700 lbf221000 N N/A 7400 lbf32900 N N/A 435 N/A
53176-90051 N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 1.1142 in28.301 mm N/A 46500 lbf207000 N N/A 6920 lbf30800 N N/A 53000 N/A
53176-9U051 N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 1.1142 in28.301 mm N/A 46500 lbf207000 N N/A 6920 lbf30800 N N/A 53000 N/A
53176-90071 N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 1.1142 in28.301 mm N/A 46500 lbf207000 N N/A 6920 lbf30800 N N/A 53000 N/A
53176-90080 N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 1.1142 in28.301 mm N/A 46500 lbf207000 N N/A 6920 lbf30800 N N/A 53000 N/A
53178-90062 N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 1.1142 in28.301 mm N/A 46500 lbf207000 N N/A 6920 lbf30800 N N/A 53000 N/A
53176-90086 N/A 1.7500 in44.450 mm N/A 3.8750 in98.425 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 1.1142 in28.301 mm N/A 46500 lbf207000 N N/A 6920 lbf30800 N N/A 53000 N/A
53177-90083 N/A 1.7500 in44.450 mm N/A 3.8750 in98.425 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 1.1142 in28.301 mm N/A 46500 lbf207000 N N/A 6920 lbf30800 N N/A 53000 N/A
53178 / 53390D N/A 1.7500 in44.450 mm N/A 3.8750 in98.425 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 1.1142 in28.301 mm N/A 46500 lbf207000 N N/A 6920 lbf30800 N N/A 53000 N/A
53177-90089 N/A 1.7500 in44.450 mm N/A 3.8750 in98.425 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 1.1142 in28.301 mm N/A 46500 lbf207000 N N/A 6920 lbf30800 N N/A 53000 N/A
458-90174 N/A 1.7500 in44.450 mm N/A 4.25 in107.95 mm N/A 2.1250 in53.975 mm N/A 2.5625 in65.088 mm N/A 1.1542 in29.317 mm N/A 53100 lbf236000 N N/A 7900 lbf35200 N N/A 455 N/A
460 / 452D N/A 1.7500 in44.450 mm N/A 4.25 in107.95 mm N/A 2.1250 in53.975 mm N/A 2.5625 in65.088 mm N/A 1.1542 in29.317 mm N/A 62900 lbf280000 N N/A 9370 lbf41700 N N/A 455 N/A
458 / 452DC N/A 1.7500 in44.450 mm N/A 4.25 in107.95 mm N/A 2.1250 in53.975 mm N/A 2.5625 in65.088 mm N/A 1.1542 in29.317 mm N/A 53100 lbf236000 N N/A 7900 lbf35200 N N/A 455 N/A
460 / 452DC N/A 1.7500 in44.450 mm N/A 4.25 in107.95 mm N/A 2.1250 in53.975 mm N/A 2.5625 in65.088 mm N/A 1.1542 in29.317 mm N/A 62900 lbf280000 N N/A 9370 lbf41700 N N/A 455 N/A
55176-99404 N/A 1.7500 in44.450 mm N/A 4.33 in109.982 mm N/A 1.6876 in42.865 mm N/A 2.4999 in63.497 mm N/A 1.0594 in26.909 mm N/A 49400 lbf220000 N N/A 7350 lbf32700 N N/A 55000 N/A
55175-90033 N/A 1.7500 in44.450 mm N/A 4.33 in109.982 mm N/A 1.6876 in42.865 mm N/A 2.4999 in63.497 mm N/A 1.0594 in26.909 mm N/A 49400 lbf220000 N N/A 7350 lbf32700 N N/A 55000 N/A
55175C / 55433D N/A 1.7500 in44.450 mm N/A 4.33 in109.982 mm N/A 1.6876 in42.865 mm N/A 2.4999 in63.497 mm N/A 1.0594 in26.909 mm N/A 59200 lbf263000 N N/A 8810 lbf39200 N N/A 55000C N/A
55176C / 55433D N/A 1.7500 in44.450 mm N/A 4.33 in109.982 mm N/A 1.6876 in42.865 mm N/A 2.4999 in63.497 mm N/A 1.0594 in26.909 mm N/A 59200 lbf263000 N N/A 8810 lbf39200 N N/A 55000C N/A
535 / 533D N/A 1.7500 in44.450 mm N/A 4.3750 in111.125 mm N/A 2.5 in63.5 mm N/A 3.125 in79.375 mm N/A 1.455 in36.957 mm N/A 67400 lbf300000 N N/A 10000 lbf44600 N N/A 535 N/A
535 / 533DC N/A 1.7500 in44.450 mm N/A 4.3750 in111.125 mm N/A 2.5 in63.5 mm N/A 3.125 in79.375 mm N/A 1.455 in36.957 mm N/A 67400 lbf300000 N N/A 10000 lbf44600 N N/A 535 N/A
55175-90042 N/A 1.7500 in44.450 mm N/A 4.4375 in112.713 mm N/A 1.8125 in46.038 mm N/A 2.5624 in65.085 mm N/A 1.0594 in26.909 mm N/A 49400 lbf220000 N N/A 7350 lbf32700 N N/A 55000 N/A
55176 / 55444D N/A 1.7500 in44.450 mm N/A 4.4375 in112.713 mm N/A 1.8125 in46.038 mm N/A 2.5624 in65.085 mm N/A 1.0594 in26.909 mm N/A 49400 lbf220000 N N/A 7350 lbf32700 N N/A 55000 N/A
Unit of Measure
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