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Key Features

  • Available in single, double and multi-row configurations, as well as proprietary sizes
  • Designed in collaboration with OE engineers to design, engineer and test bearings for premium performance in many applications
  • Power dense designs allow for heavier loads and can help extend bearing life
  • Optimized internal geometry lower torque and operating temperatures to extend lubrication system life
  • Can be designed to withstand high-corrosive, high-temperature and vacuum or low-lubrication environments with proprietary enhancements
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

HM237545-902A9 N/A 7 in177.8 mm N/A 11.375 in288.925 mm N/A 4.375 in111.125 mm N/A 5.625 in142.875 mm N/A 2.5 in63.5 mm N/A 382000 lbf1700000 N N/A 56900 lbf253000 N N/A HM237500 N/A
HM237545-90159 N/A 7 in177.8 mm N/A 11.375 in288.925 mm N/A 4.375 in111.125 mm N/A 5.625 in142.875 mm N/A 2.5 in63.5 mm N/A 382000 lbf1700000 N N/A 56900 lbf253000 N N/A HM237500 N/A
HM237545-902B7 N/A 7 in177.8 mm N/A 11.375 in288.925 mm N/A 4.375 in111.125 mm N/A 5.625 in142.875 mm N/A 2.5 in63.5 mm N/A 382000 lbf1700000 N N/A 56900 lbf253000 N N/A HM237500 N/A
HM237545-902D7 N/A 7 in177.8 mm N/A 11.375 in288.925 mm N/A 4.375 in111.125 mm N/A 5.625 in142.875 mm N/A 2.5 in63.5 mm N/A 382000 lbf1700000 N N/A 56900 lbf253000 N N/A HM237500 N/A
HM237545-903D6 N/A 7 in177.8 mm N/A 11.375 in288.925 mm N/A 4.375 in111.125 mm N/A 5.625 in142.875 mm N/A 2.5 in63.5 mm N/A 382000 lbf1700000 N N/A 56900 lbf253000 N N/A HM237500 N/A
HM237545-902E5 N/A 7 in177.8 mm N/A 11.375 in288.925 mm N/A 4.375 in111.125 mm N/A 5.625 in142.875 mm N/A 2.5 in63.5 mm N/A 382000 lbf1700000 N N/A 56900 lbf253000 N N/A HM237500 N/A
HM237545-903B2 N/A 7 in177.8 mm N/A 11.375 in288.925 mm N/A 4.375 in111.125 mm N/A 5.625 in142.875 mm N/A 2.5 in63.5 mm N/A 382000 lbf1700000 N N/A 56900 lbf253000 N N/A HM237500 N/A
HM237545-902E3 N/A 7 in177.8 mm N/A 11.375 in288.925 mm N/A 4.375 in111.125 mm N/A 5.625 in142.875 mm N/A 2.5 in63.5 mm N/A 382000 lbf1700000 N N/A 56900 lbf253000 N N/A HM237500 N/A
HM237542-902A8 N/A 6.875 in174.625 mm N/A 11.375 in288.925 mm N/A 4.375 in111.125 mm N/A 5.625 in142.875 mm N/A 2.5 in63.5 mm N/A 382000 lbf1700000 N N/A 56900 lbf253000 N N/A HM237500 N/A
HM237542-90143 N/A 6.875 in174.625 mm N/A 11.375 in288.925 mm N/A 4.375 in111.125 mm N/A 5.625 in142.875 mm N/A 2.5 in63.5 mm N/A 382000 lbf1700000 N N/A 56900 lbf253000 N N/A HM237500 N/A
HM237542-902A1 N/A 6.875 in174.625 mm N/A 11.375 in288.925 mm N/A 4.375 in111.125 mm N/A 5.625 in142.875 mm N/A 2.5 in63.5 mm N/A 382000 lbf1700000 N N/A 56900 lbf253000 N N/A HM237500 N/A
HM237542-902A4 N/A 6.875 in174.625 mm N/A 11.375 in288.925 mm N/A 4.375 in111.125 mm N/A 5.625 in142.875 mm N/A 2.5 in63.5 mm N/A 382000 lbf1700000 N N/A 56900 lbf253000 N N/A HM237500 N/A
HM237542-902A5 N/A 6.875 in174.625 mm N/A 11.375 in288.925 mm N/A 4.375 in111.125 mm N/A 5.625 in142.875 mm N/A 2.5 in63.5 mm N/A 382000 lbf1700000 N N/A 56900 lbf253000 N N/A HM237500 N/A
HM237542-902A2 N/A 6.875 in174.625 mm N/A 11.375 in288.925 mm N/A 4.375 in111.125 mm N/A 5.625 in142.875 mm N/A 2.5 in63.5 mm N/A 382000 lbf1700000 N N/A 56900 lbf253000 N N/A HM237500 N/A
HM237542-902A6 N/A 6.875 in174.625 mm N/A 11.375 in288.925 mm N/A 4.375 in111.125 mm N/A 5.625 in142.875 mm N/A 2.5 in63.5 mm N/A 382000 lbf1700000 N N/A 56900 lbf253000 N N/A HM237500 N/A
HM237542-902A7 N/A 6.875 in174.625 mm N/A 11.375 in288.925 mm N/A 4.375 in111.125 mm N/A 5.625 in142.875 mm N/A 2.5 in63.5 mm N/A 382000 lbf1700000 N N/A 56900 lbf253000 N N/A HM237500 N/A
HM252349-90119 N/A 10.25 in260.35 mm N/A 16.625 in422.275 mm N/A 5.5 in139.7 mm N/A 7.0311 in178.59 mm N/A 3.1406 in79.771 mm N/A 605000 lbf2690000 N N/A 90100 lbf401000 N N/A HM252300 N/A
HM252349-90126 N/A 10.25 in260.35 mm N/A 16.625 in422.275 mm N/A 5.5 in139.7 mm N/A 7.0311 in178.59 mm N/A 3.1406 in79.771 mm N/A 605000 lbf2690000 N N/A 90100 lbf401000 N N/A HM252300 N/A
HM252349-90127 N/A 10.25 in260.35 mm N/A 16.625 in422.275 mm N/A 5.5 in139.7 mm N/A 7.0311 in178.59 mm N/A 3.1406 in79.771 mm N/A 605000 lbf2690000 N N/A 90100 lbf401000 N N/A HM252300 N/A
HM252349-90140 N/A 10.25 in260.35 mm N/A 16.625 in422.275 mm N/A 5.5 in139.7 mm N/A 7.0311 in178.59 mm N/A 3.1406 in79.771 mm N/A 605000 lbf2690000 N N/A 90100 lbf401000 N N/A HM252300 N/A
HM252349-902B9 N/A 10.25 in260.35 mm N/A 16.625 in422.275 mm N/A 5.5 in139.7 mm N/A 7.0311 in178.59 mm N/A 3.1406 in79.771 mm N/A 605000 lbf2690000 N N/A 90100 lbf401000 N N/A HM252300 N/A
HM252344-90135 N/A 10 in254 mm N/A 16.625 in422.275 mm N/A 5.5 in139.7 mm N/A 7.0311 in178.59 mm N/A 3.1406 in79.771 mm N/A 605000 lbf2690000 N N/A 90100 lbf401000 N N/A HM252300 N/A
HM252344-902A1 N/A 10 in254 mm N/A 16.625 in422.275 mm N/A 5.5 in139.7 mm N/A 7.0311 in178.59 mm N/A 3.1406 in79.771 mm N/A 605000 lbf2690000 N N/A 90100 lbf401000 N N/A HM252300 N/A
HM252348-902A7 N/A 10.25 in260.35 mm N/A 16.625 in422.275 mm N/A 5.5 in139.7 mm N/A 7.0311 in178.59 mm N/A 3.1406 in79.771 mm N/A 587000 lbf2610000 N N/A 87400 lbf389000 N N/A HM252300 N/A
HM252348-902A9 N/A 10.25 in260.35 mm N/A 16.625 in422.275 mm N/A 5.5 in139.7 mm N/A 7.0311 in178.59 mm N/A 3.1406 in79.771 mm N/A 587000 lbf2610000 N N/A 87400 lbf389000 N N/A HM252300 N/A
Unit of Measure
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