Aurora Bearing Company
Aurora Bearing Company
901 Aucutt Rd.
Montgomery, IL 60538
Phone: 630.859.2030 • Fax: 630.859.0971
Email: customersupport@aurorabearing.com • Website: www.aurorabearing.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

495A - 493D N/A 495 N/A 3 in76.2 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
495AS - 493D N/A 495 N/A 3.0625 in77.788 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
499A - 493D N/A 495 N/A 3.3455 in84.976 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
495AA - 493D N/A 495 N/A 2.625 in66.675 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
495-S - 493D N/A 495 N/A 2.8125 in71.438 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
498 - 493DC N/A 495 N/A 3.3125 in84.138 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
495AA - 493DC N/A 495 N/A 2.625 in66.675 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
497P - 493DC N/A 495 N/A 3.3750 in85.725 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 10700 lbf47500 N N/A 71600 lbf319000 N N/A CAD Icon (for items table)
495A - 493DC N/A 495 N/A 3 in76.2 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
495 - 493DC N/A 495 N/A 3 1/4 in82.550 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
499A - 493DC N/A 495 N/A 3.3455 in84.976 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
495AX - 493DC N/A 495 N/A 3 in76.2 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
495AS - 493DC N/A 495 N/A 3.0625 in77.788 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
497 - 493DC N/A 495 N/A 3.3750 in85.725 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
496P - 493DC N/A 495 N/A 3.1875 in80.963 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 10700 lbf47500 N N/A 71600 lbf319000 N N/A CAD Icon (for items table)
496AS - 493DC N/A 495 N/A 3.2165 in81.699 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
496 - 493DC N/A 495 N/A 3.1875 in80.963 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
495W - 493DC N/A 495 N/A 3 1/4 in82.550 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
495XA - 493DC N/A 495 N/A 3 1/4 in82.550 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
497A - 493DC N/A 495 N/A 3.3750 in85.725 mm N/A 5.3750 in136.525 mm N/A 1.1720 in29.769 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 9000 lbf40000 N N/A 60500 lbf269000 N N/A CAD Icon (for items table)
EE526130 - 526191CD N/A 526000 N/A 13 in330.200 mm N/A 19 in482.6 mm N/A 3.1562 in80.167 mm N/A 5.0000 in127.000 mm N/A 7.0000 in177.800 mm N/A 72900 lbf324000 N N/A 489000 lbf2180000 N N/A CAD Icon (for items table)
EE526132 - 526191CD N/A 526000 N/A 13 in330.200 mm N/A 19 in482.6 mm N/A 3.1562 in80.167 mm N/A 5.0000 in127.000 mm N/A 7.0000 in177.800 mm N/A 72900 lbf324000 N N/A 489000 lbf2180000 N N/A CAD Icon (for items table)
52394X - 52637D N/A 52000 N/A 3.937 in100 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 12300 lbf54700 N N/A 82600 lbf367000 N N/A CAD Icon (for items table)
52393 - 52637D N/A 52000 N/A 3.9375 in100.013 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 13000 lbf57900 N N/A 87500 lbf389000 N N/A CAD Icon (for items table)
52387W - 52637D N/A 52000 N/A 3.8750 in98.425 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 13000 lbf57900 N N/A 87500 lbf389000 N N/A CAD Icon (for items table)
52387P - 52637D N/A 52000 N/A 3.8750 in98.425 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 15400 lbf68700 N N/A 104000 lbf461000 N N/A CAD Icon (for items table)
52387 - 52637D N/A 52000 N/A 3.8750 in98.425 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 13000 lbf57900 N N/A 87500 lbf389000 N N/A CAD Icon (for items table)
52401 - 52637D N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 13000 lbf57900 N N/A 87500 lbf389000 N N/A CAD Icon (for items table)
52375 - 52637D N/A 52000 N/A 3 3/4 in95.250 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 13000 lbf57900 N N/A 87500 lbf389000 N N/A CAD Icon (for items table)
52400W - 52637D N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 13000 lbf57900 N N/A 87500 lbf389000 N N/A CAD Icon (for items table)
52400 - 52637D N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 13000 lbf57900 N N/A 87500 lbf389000 N N/A CAD Icon (for items table)
52400A - 52637D N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 13000 lbf57900 N N/A 87500 lbf389000 N N/A CAD Icon (for items table)
52393 - 52637DC N/A 52000 N/A 3.9375 in100.013 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 13000 lbf57900 N N/A 87500 lbf389000 N N/A CAD Icon (for items table)
52400 - 52637DC N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 13000 lbf57900 N N/A 87500 lbf389000 N N/A CAD Icon (for items table)
52387P - 52637DC N/A 52000 N/A 3.8750 in98.425 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 15400 lbf68700 N N/A 104000 lbf461000 N N/A CAD Icon (for items table)
52387W - 52637DC N/A 52000 N/A 3.8750 in98.425 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 13000 lbf57900 N N/A 87500 lbf389000 N N/A CAD Icon (for items table)
52387 - 52637DC N/A 52000 N/A 3.8750 in98.425 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 13000 lbf57900 N N/A 87500 lbf389000 N N/A CAD Icon (for items table)
52375 - 52637DC N/A 52000 N/A 3 3/4 in95.250 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 13000 lbf57900 N N/A 87500 lbf389000 N N/A CAD Icon (for items table)
52400A - 52637DC N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 13000 lbf57900 N N/A 87500 lbf389000 N N/A CAD Icon (for items table)
52401 - 52637DC N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 13000 lbf57900 N N/A 87500 lbf389000 N N/A CAD Icon (for items table)
52400W - 52637DC N/A 52000 N/A 4 in101.600 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 13000 lbf57900 N N/A 87500 lbf389000 N N/A CAD Icon (for items table)
52394X - 52637DC N/A 52000 N/A 3.937 in100 mm N/A 6-3/8 in161.925 mm N/A 1.4219 in36.116 mm N/A 2.4375 in61.913 mm N/A 3.2498 in82.545 mm N/A 12300 lbf54700 N N/A 82600 lbf367000 N N/A CAD Icon (for items table)
53162 - 53376D N/A 53000 N/A 1.625 in41.275 mm N/A 3.7500 in95.250 mm N/A 1.1142 in28.301 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 6920 lbf30800 N N/A 46500 lbf207000 N N/A CAD Icon (for items table)
53150 - 53376D N/A 53000 N/A 1.5 in38.1 mm N/A 3.7500 in95.250 mm N/A 1.1142 in28.301 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 6920 lbf30800 N N/A 46500 lbf207000 N N/A CAD Icon (for items table)
53177 - 53376D N/A 53000 N/A 1.75 in44.45 mm N/A 3.7500 in95.250 mm N/A 1.1142 in28.301 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 6920 lbf30800 N N/A 46500 lbf207000 N N/A CAD Icon (for items table)
53176 - 53376D N/A 53000 N/A 1.75 in44.45 mm N/A 3.7500 in95.250 mm N/A 1.1142 in28.301 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 6920 lbf30800 N N/A 46500 lbf207000 N N/A CAD Icon (for items table)
53178 - 53376D N/A 53000 N/A 1.75 in44.45 mm N/A 3.7500 in95.250 mm N/A 1.1142 in28.301 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 6920 lbf30800 N N/A 46500 lbf207000 N N/A CAD Icon (for items table)
53176 - 53390D N/A 53000 N/A 1.75 in44.45 mm N/A 3.8750 in98.425 mm N/A 1.1142 in28.301 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 6920 lbf30800 N N/A 46500 lbf207000 N N/A CAD Icon (for items table)
53177 - 53390D N/A 53000 N/A 1.75 in44.45 mm N/A 3.8750 in98.425 mm N/A 1.1142 in28.301 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 6920 lbf30800 N N/A 46500 lbf207000 N N/A CAD Icon (for items table)
53178 - 53390D N/A 53000 N/A 1.75 in44.45 mm N/A 3.8750 in98.425 mm N/A 1.1142 in28.301 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 6920 lbf30800 N N/A 46500 lbf207000 N N/A CAD Icon (for items table)
Unit of Measure
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