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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This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.
Timken_TRB_1ROWASSY_TS_32005X-90KA1-A
TRB TS Line Drawing
Unit of Measure
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Part Number

Series

d - Bore

D - Cup Outer Diameter

B - Cone Width

C - Cup Width

T - Bearing Width

C1 - Dynamic Radial Rating (1 million revolutions)

C0 - Static Radial Rating

CAD

M255449WS - M255410 N/A M255400 N/A 11.3750 in288.925 mm N/A 16.0000 in406.400 mm N/A 3.0625 in77.788 mm N/A 2.3750 in60.325 mm N/A 3.0626 in77.790 mm N/A 283000 lbf1260000 N N/A 567000 lbf2520000 N N/A CAD Icon (for items table)
M255449 - M255410 N/A M255400 N/A 11.3750 in288.925 mm N/A 16.0000 in406.400 mm N/A 3.0625 in77.788 mm N/A 2.3750 in60.325 mm N/A 3.0625 in77.788 mm N/A 267000 lbf1190000 N N/A 567000 lbf2520000 N N/A CAD Icon (for items table)
L357040 - L357010 N/A L357000 N/A 11.4163 in289.974 mm N/A 15.5 in393.7 mm N/A 2 in50.8 mm N/A 1.5000 in38.100 mm N/A 2.0000 in50.800 mm N/A 132000 lbf586000 N N/A 295000 lbf1310000 N N/A CAD Icon (for items table)
EE224115 - 224204 N/A 224000 N/A 11 1/2 in292.100 mm N/A 20.5000 in520.7 mm N/A 4.2500 in107.950 mm N/A 3 in76.2 mm N/A 4.2500 in107.950 mm N/A 439000 lbf1950000 N N/A 749000 lbf3330000 N N/A CAD Icon (for items table)
EE722115 - 722185 N/A 722000 N/A 11 1/2 in292.100 mm N/A 18.5000 in469.900 mm N/A 3.6875 in93.663 mm N/A 2.75 in69.85 mm N/A 3.7500 in95.250 mm N/A 363000 lbf1610000 N N/A 527000 lbf2350000 N N/A CAD Icon (for items table)
EE790114 - 790221 N/A 790000 N/A 11 1/2 in292.100 mm N/A 22.0000 in558.800 mm N/A 5.3750 in136.525 mm N/A 3.8750 in98.425 mm N/A 5.3750 in136.525 mm N/A 695000 lbf3090000 N N/A 923000 lbf4100000 N N/A CAD Icon (for items table)
EE790116 - 790221 N/A 790000 N/A 11 1/2 in292.100 mm N/A 22.0000 in558.800 mm N/A 5.3750 in136.525 mm N/A 3.8750 in98.425 mm N/A 5.3750 in136.525 mm N/A 695000 lbf3090000 N N/A 923000 lbf4100000 N N/A CAD Icon (for items table)
84115 - 84155 N/A 84000 N/A 11 1/2 in292.100 mm N/A 15.5 in393.7 mm N/A 2 in50.8 mm N/A 1.7500 in44.450 mm N/A 2.5000 in63.500 mm N/A 123000 lbf548000 N N/A 224000 lbf997000 N N/A CAD Icon (for items table)
L555249 - L555210 N/A L555200 N/A 11 1/2 in292.100 mm N/A 14.75 in374.650 mm N/A 1.875 in47.625 mm N/A 1.3750 in34.925 mm N/A 1.8750 in47.625 mm N/A 117000 lbf520000 N N/A 258000 lbf1150000 N N/A CAD Icon (for items table)
EE111175 - 111700 N/A 110000 N/A 11.7500 in298.450 mm N/A 17 in431.8 mm N/A 2.3125 in58.738 mm N/A 2.1250 in53.975 mm N/A 2.7500 in69.850 mm N/A 138000 lbf613000 N N/A 288000 lbf1280000 N N/A CAD Icon (for items table)
EE291175 - 291749 N/A 290000 N/A 11.7500 in298.450 mm N/A 17.5 in444.5 mm N/A 2.4375 in61.913 mm N/A 1.5625 in39.688 mm N/A 2.5001 in63.503 mm N/A 199000 lbf887000 N N/A 312000 lbf1390000 N N/A CAD Icon (for items table)
EE291175 - 291750 N/A 290000 N/A 11.7500 in298.450 mm N/A 17.5 in444.5 mm N/A 2.4375 in61.913 mm N/A 1.5625 in39.688 mm N/A 2.5000 in63.500 mm N/A 199000 lbf887000 N N/A 312000 lbf1390000 N N/A CAD Icon (for items table)
HH258248 - HH258210 N/A HH258200 N/A 11.8100 in299.974 mm N/A 19.5000 in495.300 mm N/A 5.5625 in141.288 mm N/A 4.5000 in114.300 mm N/A 5.5625 in141.288 mm N/A 645000 lbf2870000 N N/A 1270000 lbf5650000 N N/A CAD Icon (for items table)
HM256849 - HM256810 N/A HM256800 N/A 11.8125 in300.038 mm N/A 16.6250 in422.275 mm N/A 3.2500 in82.550 mm N/A 2.5 in63.5 mm N/A 3.2500 in82.550 mm N/A 292000 lbf1300000 N N/A 622000 lbf2770000 N N/A CAD Icon (for items table)
EE129120X - 129172 N/A 129000 N/A 12 in304.8 mm N/A 17.246 in438.048 mm N/A 3.0312 in76.992 mm N/A 2.1250 in53.975 mm N/A 3.0000 in76.200 mm N/A 201000 lbf896000 N N/A 401000 lbf1780000 N N/A CAD Icon (for items table)
EE129120X - 129174 N/A 129000 N/A 12 in304.8 mm N/A 17.3208 in439.948 mm N/A 3.0312 in76.992 mm N/A 2.1250 in53.975 mm N/A 3.0001 in76.203 mm N/A 201000 lbf896000 N N/A 401000 lbf1780000 N N/A CAD Icon (for items table)
EE291201 - 291749 N/A 290000 N/A 12 in304.8 mm N/A 17.5 in444.5 mm N/A 2.4375 in61.913 mm N/A 1.5625 in39.688 mm N/A 2.5000 in63.500 mm N/A 199000 lbf887000 N N/A 312000 lbf1390000 N N/A CAD Icon (for items table)
EE291201 - 291750 N/A 290000 N/A 12 in304.8 mm N/A 17.5 in444.5 mm N/A 2.4375 in61.913 mm N/A 1.5625 in39.688 mm N/A 2.5000 in63.500 mm N/A 199000 lbf887000 N N/A 312000 lbf1390000 N N/A CAD Icon (for items table)
EE724119 - 724195 N/A 724000 N/A 12 in304.8 mm N/A 19.5000 in495.300 mm N/A 3.6250 in92.075 mm N/A 2.75 in69.85 mm N/A 3.7500 in95.250 mm N/A 339000 lbf1510000 N N/A 595000 lbf2650000 N N/A CAD Icon (for items table)
EE724120 - 724195 N/A 724000 N/A 12 in304.8 mm N/A 19.5000 in495.300 mm N/A 3.6250 in92.075 mm N/A 2.75 in69.85 mm N/A 3.7500 in95.250 mm N/A 379000 lbf1690000 N N/A 573000 lbf2550000 N N/A CAD Icon (for items table)
EE790120 - 790221 N/A 790000 N/A 12 in304.8 mm N/A 22.0000 in558.800 mm N/A 5.3750 in136.525 mm N/A 3.8750 in98.425 mm N/A 5.3750 in136.525 mm N/A 695000 lbf3090000 N N/A 923000 lbf4100000 N N/A CAD Icon (for items table)
EE941205 - 941950 N/A 940000 N/A 12 in304.8 mm N/A 19.5000 in495.300 mm N/A 2.9375 in74.613 mm N/A 2.1250 in53.975 mm N/A 3.0000 in76.200 mm N/A 348000 lbf1550000 N N/A 471000 lbf2090000 N N/A CAD Icon (for items table)
EE941205X - 941950 N/A 940000 N/A 12 in304.8 mm N/A 19.5000 in495.300 mm N/A 3.0656 in77.866 mm N/A 2.1250 in53.975 mm N/A 3.0000 in76.200 mm N/A 348000 lbf1550000 N N/A 471000 lbf2090000 N N/A CAD Icon (for items table)
EE991201 - 992550 N/A 990000 N/A 12 in304.8 mm N/A 25.5000 in647.700 mm N/A 4.7500 in120.650 mm N/A 3.5000 in88.900 mm N/A 5.5000 in139.700 mm N/A 528000 lbf2350000 N N/A 790000 lbf3520000 N N/A CAD Icon (for items table)
DX577285 - DX985397 N/A N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 2 in50.8 mm N/A 1.5000 in38.100 mm N/A 2.0001 in50.803 mm N/A 162000 lbf722000 N N/A 295000 lbf1310000 N N/A CAD Icon (for items table)
L357049 - L357010 N/A L357000 N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 2 in50.8 mm N/A 1.5000 in38.100 mm N/A 2.0000 in50.800 mm N/A 132000 lbf586000 N N/A 295000 lbf1310000 N N/A CAD Icon (for items table)
LM757049 - LM757010 N/A LM757000 N/A 12 in304.8 mm N/A 16.0000 in406.400 mm N/A 2.5 in63.5 mm N/A 1.8750 in47.625 mm N/A 2.5000 in63.500 mm N/A 173000 lbf769000 N N/A 392000 lbf1740000 N N/A CAD Icon (for items table)
LM757049AA - LM757010 N/A LM757000 N/A 12 in304.8 mm N/A 16.0000 in406.400 mm N/A 2.5 in63.5 mm N/A 1.8750 in47.625 mm N/A 2.5000 in63.500 mm N/A 183000 lbf815000 N N/A 392000 lbf1740000 N N/A CAD Icon (for items table)
LM757049A - LM757010 N/A LM757000 N/A 12.0100 in305.054 mm N/A 16.0000 in406.400 mm N/A 2.5 in63.5 mm N/A 1.8750 in47.625 mm N/A 2.5000 in63.500 mm N/A 173000 lbf769000 N N/A 392000 lbf1740000 N N/A CAD Icon (for items table)
HM161040 - HM161012 N/A HM161000 N/A 12.2000 in309.880 mm N/A 19.7500 in501.650 mm N/A 3.8750 in98.425 mm N/A 3.1250 in79.375 mm N/A 3.8750 in98.425 mm N/A 585000 lbf2600000 N N/A 848000 lbf3770000 N N/A CAD Icon (for items table)
LL957049 - LL957010 N/A LL957000 N/A 12.3125 in312.738 mm N/A 14.125 in358.775 mm N/A 0.8125 in20.638 mm N/A 0.5625 in14.288 mm N/A 0.8750 in22.225 mm N/A 30000 lbf134000 N N/A 86100 lbf383000 N N/A CAD Icon (for items table)
H859049 - H859010 N/A H859000 N/A 12.3750 in314.325 mm N/A 19.5000 in495.300 mm N/A 4.6875 in119.063 mm N/A 3.5000 in88.900 mm N/A 4.7500 in120.650 mm N/A 440000 lbf1960000 N N/A 889000 lbf3950000 N N/A CAD Icon (for items table)
HM259047WS - HM259010 N/A HM259000 N/A 12.3750 in314.325 mm N/A 17.6250 in447.675 mm N/A 3.3750 in85.725 mm N/A 2.6875 in68.263 mm N/A 3.3751 in85.728 mm N/A 380000 lbf1690000 N N/A 628000 lbf2790000 N N/A CAD Icon (for items table)
EE201250 - 201800 N/A 200000 N/A 12 1/2 in317.500 mm N/A 18 in457.2 mm N/A 2.5625 in65.088 mm N/A 1.6875 in42.863 mm N/A 2.6250 in66.675 mm N/A 224000 lbf996000 N N/A 373000 lbf1660000 N N/A CAD Icon (for items table)
EE291250 - 291749 N/A 290000 N/A 12 1/2 in317.500 mm N/A 17.5 in444.5 mm N/A 2.4375 in61.913 mm N/A 1.5625 in39.688 mm N/A 2.5000 in63.500 mm N/A 199000 lbf887000 N N/A 312000 lbf1390000 N N/A CAD Icon (for items table)
EE291251 - 291749 N/A 290000 N/A 12 1/2 in317.500 mm N/A 17.5 in444.5 mm N/A 2.4375 in61.913 mm N/A 1.5625 in39.688 mm N/A 2.5001 in63.503 mm N/A 199000 lbf887000 N N/A 312000 lbf1390000 N N/A CAD Icon (for items table)
EE291251 - 291750 N/A 290000 N/A 12 1/2 in317.500 mm N/A 17.5 in444.5 mm N/A 2.4375 in61.913 mm N/A 1.5625 in39.688 mm N/A 2.5001 in63.503 mm N/A 199000 lbf887000 N N/A 312000 lbf1390000 N N/A CAD Icon (for items table)
EE291250 - 291750 N/A 290000 N/A 12 1/2 in317.500 mm N/A 17.5 in444.5 mm N/A 2.4375 in61.913 mm N/A 1.5625 in39.688 mm N/A 2.5000 in63.500 mm N/A 199000 lbf887000 N N/A 312000 lbf1390000 N N/A CAD Icon (for items table)
EE720125 - 720236 N/A 720000 N/A 12 1/2 in317.500 mm N/A 23.5000 in596.9 mm N/A 5.3750 in136.525 mm N/A 3.8750 in98.425 mm N/A 5.3750 in136.525 mm N/A 744000 lbf3310000 N N/A 1030000 lbf4600000 N N/A CAD Icon (for items table)
H961649 - H961610 N/A H961600 N/A 12 1/2 in317.500 mm N/A 24.5000 in622.300 mm N/A 5.1875 in131.763 mm N/A 3.25 in82.55 mm N/A 5.8125 in147.638 mm N/A 710000 lbf3160000 N N/A 927000 lbf4130000 N N/A CAD Icon (for items table)
HM259048 - HM259010 N/A HM259000 N/A 12 1/2 in317.500 mm N/A 17.6250 in447.675 mm N/A 3.3750 in85.725 mm N/A 2.6875 in68.263 mm N/A 3.3750 in85.725 mm N/A 380000 lbf1690000 N N/A 628000 lbf2790000 N N/A CAD Icon (for items table)
HM259048WS - HM259010 N/A HM259000 N/A 12 1/2 in317.500 mm N/A 17.6250 in447.675 mm N/A 3.3750 in85.725 mm N/A 2.6875 in68.263 mm N/A 3.3751 in85.728 mm N/A 380000 lbf1690000 N N/A 628000 lbf2790000 N N/A CAD Icon (for items table)
HM259049 - HM259010 N/A HM259000 N/A 12 1/2 in317.500 mm N/A 17.6250 in447.675 mm N/A 3.3750 in85.725 mm N/A 2.6875 in68.263 mm N/A 3.3750 in85.725 mm N/A 377000 lbf1680000 N N/A 706000 lbf3140000 N N/A CAD Icon (for items table)
LL758744 - LL758715 N/A LL758700 N/A 12.7500 in323.850 mm N/A 15.0000 in381.000 mm N/A 1.1250 in28.575 mm N/A 0.8125 in20.638 mm N/A 1.1250 in28.575 mm N/A 54800 lbf244000 N N/A 151000 lbf672000 N N/A CAD Icon (for items table)
EE720128 - 720236 N/A 720000 N/A 12.8125 in325.438 mm N/A 23.5000 in596.9 mm N/A 5.3750 in136.525 mm N/A 3.8750 in98.425 mm N/A 5.3750 in136.525 mm N/A 744000 lbf3310000 N N/A 1030000 lbf4600000 N N/A CAD Icon (for items table)
EE971298 - 972100 N/A 970000 N/A 12.9870 in329.870 mm N/A 21.0 in533.400 mm N/A 3.0000 in76.200 mm N/A 2.0000 in50.800 mm N/A 3.0000 in76.200 mm N/A 388000 lbf1730000 N N/A 562000 lbf2500000 N N/A CAD Icon (for items table)
EE161300 - 161850 N/A 160000 N/A 13 in330.200 mm N/A 18.5000 in469.900 mm N/A 2.1875 in55.563 mm N/A 1.5000 in38.100 mm N/A 2.3750 in60.325 mm N/A 141000 lbf628000 N N/A 250000 lbf1110000 N N/A CAD Icon (for items table)
EE161300 - 161900 N/A 160000 N/A 13 in330.200 mm N/A 19 in482.6 mm N/A 2.1875 in55.563 mm N/A 1.5000 in38.100 mm N/A 2.3750 in60.325 mm N/A 141000 lbf628000 N N/A 250000 lbf1110000 N N/A CAD Icon (for items table)
EE161300 - 161925 N/A 160000 N/A 13 in330.200 mm N/A 19.2500 in488.950 mm N/A 2.1875 in55.563 mm N/A 1.5000 in38.100 mm N/A 2.3750 in60.325 mm N/A 141000 lbf628000 N N/A 250000 lbf1110000 N N/A CAD Icon (for items table)
EE203130 - 203190 N/A 203000 N/A 13 in330.200 mm N/A 19 in482.6 mm N/A 2.5 in63.5 mm N/A 1.7500 in44.450 mm N/A 2.6250 in66.675 mm N/A 231000 lbf1030000 N N/A 398000 lbf1770000 N N/A CAD Icon (for items table)
Unit of Measure
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