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
« 131 132 133 

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

LL575343 - LL575310 N/A LL575300 N/A 21.0000 in533.400 mm N/A 25.0000 in635 mm N/A 2 in50.8 mm N/A 1.5000 in38.100 mm N/A 2.0000 in50.800 mm N/A 201000 lbf892000 N N/A 459000 lbf2040000 N N/A CAD Icon (for items table)
M276449 - M276410 N/A M276400 N/A 21.1250 in536.575 mm N/A 29.9950 in761.873 mm N/A 5.7500 in146.050 mm N/A 4.5000 in114.300 mm N/A 5.7500 in146.050 mm N/A 902000 lbf4010000 N N/A 2080000 lbf9250000 N N/A CAD Icon (for items table)
LL575349 - LL575310 N/A LL575300 N/A 21.2500 in539.750 mm N/A 25.0000 in635 mm N/A 2 in50.8 mm N/A 1.5000 in38.100 mm N/A 2.0000 in50.800 mm N/A 201000 lbf892000 N N/A 459000 lbf2040000 N N/A CAD Icon (for items table)
EE542215 - 542290 N/A 542000 N/A 21.5000 in546.100 mm N/A 29.0000 in736.600 mm N/A 3.0000 in76.200 mm N/A 2.0000 in50.800 mm N/A 3.0000 in76.200 mm N/A 315000 lbf1400000 N N/A 728000 lbf3240000 N N/A CAD Icon (for items table)
L476548 - L476510 N/A L476500 N/A 21.6180 in549.097 mm N/A 27.2500 in692.150 mm N/A 3.1875 in80.963 mm N/A 2.4375 in61.913 mm N/A 3.1875 in80.963 mm N/A 342000 lbf1520000 N N/A 892000 lbf3970000 N N/A CAD Icon (for items table)
L476549 - L476510 N/A L476500 N/A 21.6250 in549.275 mm N/A 27.2500 in692.150 mm N/A 3.1875 in80.963 mm N/A 2.4375 in61.913 mm N/A 3.1875 in80.963 mm N/A 342000 lbf1520000 N N/A 892000 lbf3970000 N N/A CAD Icon (for items table)
EE542220 - 542290 N/A 542000 N/A 22 in558.8 mm N/A 29.0000 in736.600 mm N/A 3.0000 in76.200 mm N/A 2.0000 in50.800 mm N/A 3.0000 in76.200 mm N/A 315000 lbf1400000 N N/A 728000 lbf3240000 N N/A CAD Icon (for items table)
EE647220 - 647285 N/A 647000 N/A 22 in558.8 mm N/A 28.5000 in723.900 mm N/A 2.875 in73.025 mm N/A 2.2500 in57.150 mm N/A 2.8750 in73.025 mm N/A 345000 lbf1540000 N N/A 773000 lbf3440000 N N/A CAD Icon (for items table)
EE843220 - 843290 N/A 843000 N/A 22 in558.8 mm N/A 29.0000 in736.600 mm N/A 3.4688 in88.108 mm N/A 2.5 in63.5 mm N/A 3.4688 in88.108 mm N/A 465000 lbf2070000 N N/A 1030000 lbf4580000 N N/A CAD Icon (for items table)
LM377449 - LM377410 N/A LM377400 N/A 22 in558.8 mm N/A 29.0000 in736.600 mm N/A 4.1250 in104.775 mm N/A 3.1875 in80.963 mm N/A 4.125 in104.775 mm N/A 578000 lbf2570000 N N/A 1430000 lbf6370000 N N/A CAD Icon (for items table)
LL777148 - LL777110 N/A LL777100 N/A 22.5000 in571.500 mm N/A 26.0 in660.400 mm N/A 1.75 in44.45 mm N/A 1.2813 in32.545 mm N/A 1.8125 in46.038 mm N/A 153000 lbf680000 N N/A 431000 lbf1920000 N N/A CAD Icon (for items table)
M278749 - M278710 N/A M278700 N/A 22.5000 in571.500 mm N/A 32.0000 in812.800 mm N/A 6.1250 in155.575 mm N/A 4.7500 in120.650 mm N/A 6.1250 in155.575 mm N/A 1020000 lbf4530000 N N/A 2370000 lbf10600000 N N/A CAD Icon (for items table)
EE662303 - 663550 N/A 660000 N/A 23.0000 in584.200 mm N/A 35.5000 in901.700 mm N/A 5.5000 in139.700 mm N/A 4.2500 in107.950 mm N/A 5.9063 in150.020 mm N/A 1120000 lbf4980000 N N/A 1710000 lbf7590000 N N/A CAD Icon (for items table)
L778149 - L778110 N/A L778100 N/A 23.0000 in584.200 mm N/A 27.9375 in709.613 mm N/A 2.2500 in57.150 mm N/A 1.5625 in39.688 mm N/A 2.3125 in58.738 mm N/A 271000 lbf1210000 N N/A 659000 lbf2930000 N N/A CAD Icon (for items table)
LL778149 - LL778110 N/A LL778100 N/A 23.0000 in584.200 mm N/A 27.0000 in685.800 mm N/A 1.9375 in49.213 mm N/A 1.3750 in34.925 mm N/A 1.9375 in49.213 mm N/A 179000 lbf798000 N N/A 513000 lbf2280000 N N/A CAD Icon (for items table)
680235 - 680270 N/A 680000 N/A 23.5000 in596.900 mm N/A 27.0000 in685.800 mm N/A 1.2500 in31.750 mm N/A 1.0000 in25.400 mm N/A 1.2500 in31.750 mm N/A 77300 lbf344000 N N/A 217000 lbf963000 N N/A CAD Icon (for items table)
EE649237 - 649310 N/A 649000 N/A 23.7380 in602.945 mm N/A 31.0000 in787.4 mm N/A 3.6875 in93.663 mm N/A 2.75 in69.85 mm N/A 3.6875 in93.663 mm N/A 587000 lbf2610000 N N/A 1260000 lbf5620000 N N/A CAD Icon (for items table)
EE649239 - 649310 N/A 649000 N/A 23.9260 in607.720 mm N/A 31.0000 in787.4 mm N/A 3.6875 in93.663 mm N/A 2.75 in69.85 mm N/A 3.6875 in93.663 mm N/A 587000 lbf2610000 N N/A 1260000 lbf5620000 N N/A CAD Icon (for items table)
EE649238 - 649310 N/A 649000 N/A 23.9900 in609.346 mm N/A 31.0000 in787.4 mm N/A 3.6875 in93.663 mm N/A 2.75 in69.85 mm N/A 3.6875 in93.663 mm N/A 587000 lbf2610000 N N/A 1260000 lbf5620000 N N/A CAD Icon (for items table)
L879946 - L879910 N/A L879900 N/A 23.9920 in609.397 mm N/A 30.0000 in762.000 mm N/A 3.6250 in92.075 mm N/A 2.8125 in71.438 mm N/A 3.7500 in95.250 mm N/A 445000 lbf1980000 N N/A 1230000 lbf5470000 N N/A CAD Icon (for items table)
EE649240 - 649310 N/A 649000 N/A 24.0000 in609.600 mm N/A 31.0000 in787.4 mm N/A 3.6875 in93.663 mm N/A 2.75 in69.85 mm N/A 3.6875 in93.663 mm N/A 587000 lbf2610000 N N/A 1260000 lbf5620000 N N/A CAD Icon (for items table)
EE743240 - 743320 N/A 743000 N/A 24.0000 in609.600 mm N/A 32.0000 in812.800 mm N/A 3.2500 in82.550 mm N/A 2.3750 in60.325 mm N/A 3.2500 in82.550 mm N/A 467000 lbf2080000 N N/A 912000 lbf4060000 N N/A CAD Icon (for items table)
L580049 - L580010 N/A L580000 N/A 24.0000 in609.600 mm N/A 30.5000 in774.700 mm N/A 3.1250 in79.375 mm N/A 2.3750 in60.325 mm N/A 3.3750 in85.725 mm N/A 453000 lbf2020000 N N/A 1040000 lbf4620000 N N/A CAD Icon (for items table)
L879947 - L879910 N/A L879900 N/A 24.0000 in609.600 mm N/A 30.0000 in762.000 mm N/A 3.6250 in92.075 mm N/A 2.8125 in71.438 mm N/A 3.7500 in95.250 mm N/A 445000 lbf1980000 N N/A 1230000 lbf5470000 N N/A CAD Icon (for items table)
LL580049 - LL580010 N/A LL580000 N/A 24.2500 in615.950 mm N/A 27.8750 in708.025 mm N/A 1.625 in41.275 mm N/A 1.1562 in29.367 mm N/A 1.6250 in41.275 mm N/A 136000 lbf605000 N N/A 414000 lbf1840000 N N/A CAD Icon (for items table)
80780 - 80720 N/A 80700 N/A 25.0000 in635.000 mm N/A 29.0000 in736.600 mm N/A 2.125 in53.975 mm N/A 1.6250 in41.275 mm N/A 2.2500 in57.150 mm N/A 147000 lbf654000 N N/A 412000 lbf1830000 N N/A CAD Icon (for items table)
M281635 - M281610 N/A M281600 N/A 25.0000 in635.000 mm N/A 36.7500 in933.450 mm N/A 7.0000 in177.800 mm N/A 5.5625 in141.288 mm N/A 7.0625 in179.388 mm N/A 1320000 lbf5860000 N N/A 3120000 lbf13900000 N N/A CAD Icon (for items table)
LM281049 - LM281010 N/A LM281000 N/A 25.4375 in646.113 mm N/A 33.7500 in857.250 mm N/A 5.5625 in141.288 mm N/A 4.3125 in109.538 mm N/A 5.5625 in141.288 mm N/A 1060000 lbf4700000 N N/A 2330000 lbf10400000 N N/A CAD Icon (for items table)
L281146 - L281110 N/A L281100 N/A 25.9935 in660.235 mm N/A 32.0000 in812.800 mm N/A 3.7500 in95.250 mm N/A 2.875 in73.025 mm N/A 3.7500 in95.250 mm N/A 570000 lbf2530000 N N/A 1340000 lbf5940000 N N/A CAD Icon (for items table)
EE538261 - 538370 N/A 538000 N/A 26.0000 in660.400 mm N/A 37.0000 in939.800 mm N/A 5.0000 in127.000 mm N/A 3.8750 in98.425 mm N/A 5.3751 in136.528 mm N/A 800000 lbf3560000 N N/A 1750000 lbf7800000 N N/A CAD Icon (for items table)
EE749260 - 749336 N/A 749000 N/A 26.0000 in660.400 mm N/A 33.6250 in854.075 mm N/A 3.3649 in85.468 mm N/A 2.3750 in60.325 mm N/A 3.3750 in85.725 mm N/A 504000 lbf2240000 N N/A 1040000 lbf4620000 N N/A CAD Icon (for items table)
L281148 - L281110 N/A L281100 N/A 26.0000 in660.400 mm N/A 32.0000 in812.800 mm N/A 3.7500 in95.250 mm N/A 2.875 in73.025 mm N/A 3.7500 in95.250 mm N/A 570000 lbf2530000 N N/A 1340000 lbf5940000 N N/A CAD Icon (for items table)
L281147 - L281110 N/A L281100 N/A 26.0000 in660.400 mm N/A 32.0000 in812.800 mm N/A 3.7500 in95.250 mm N/A 2.875 in73.025 mm N/A 3.7500 in95.250 mm N/A 615000 lbf2730000 N N/A 1490000 lbf6620000 N N/A CAD Icon (for items table)
LL481448 - LL481411 N/A LL481400 N/A 26.5000 in673.100 mm N/A 31.2500 in793.750 mm N/A 2.4375 in61.913 mm N/A 1.9375 in49.213 mm N/A 2.6250 in66.675 mm N/A 249000 lbf1110000 N N/A 707000 lbf3140000 N N/A CAD Icon (for items table)
LM281849 - LM281810 N/A LM281800 N/A 26.7500 in679.450 mm N/A 35.5000 in901.700 mm N/A 5.6250 in142.875 mm N/A 4.375 in111.125 mm N/A 5.6250 in142.875 mm N/A 1130000 lbf5020000 N N/A 2480000 lbf11000000 N N/A CAD Icon (for items table)
EE655270 - 655345 N/A 655000 N/A 27.0000 in685.8 mm N/A 34.5000 in876.300 mm N/A 3.6250 in92.075 mm N/A 2.75 in69.85 mm N/A 3.6875 in93.663 mm N/A 619000 lbf2750000 N N/A 1420000 lbf6300000 N N/A CAD Icon (for items table)
LL382149 - LL382110 N/A LL382100 N/A 27.5000 in698.5 mm N/A 32.2500 in819.150 mm N/A 2.5 in63.5 mm N/A 2.0000 in50.800 mm N/A 2.5000 in63.500 mm N/A 237000 lbf1050000 N N/A 716000 lbf3190000 N N/A CAD Icon (for items table)
EE755280 - 755360 N/A 755000 N/A 28.0000 in711.2 mm N/A 36.0000 in914.400 mm N/A 3.2500 in82.550 mm N/A 2.3750 in60.325 mm N/A 3.3750 in85.725 mm N/A 536000 lbf2390000 N N/A 1170000 lbf5190000 N N/A CAD Icon (for items table)
EE755285 - 755360 N/A 755000 N/A 28.5000 in723.900 mm N/A 36.0000 in914.400 mm N/A 3.1875 in80.963 mm N/A 2.3750 in60.325 mm N/A 3.3125 in84.138 mm N/A 536000 lbf2390000 N N/A 1170000 lbf5190000 N N/A CAD Icon (for items table)
LL582949 - LL582910 N/A LL582900 N/A 29.0000 in736.600 mm N/A 32.5000 in825.500 mm N/A 1.2500 in31.750 mm N/A 1.0000 in25.400 mm N/A 1.2500 in31.750 mm N/A 95300 lbf424000 N N/A 291000 lbf1300000 N N/A CAD Icon (for items table)
LM283649H - LM283610 N/A LM283600 N/A 29.5000 in749.3 mm N/A 39.0000 in990.600 mm N/A 6.3125 in160.338 mm N/A 4.8425 in123.000 mm N/A 6.2795 in159.499 mm N/A 1150000 lbf5130000 N N/A 2980000 lbf13200000 N N/A CAD Icon (for items table)
L183448 - L183410 N/A L183400 N/A 29.9183 in759.925 mm N/A 35.0000 in889.000 mm N/A 3.5000 in88.900 mm N/A 2.8346 in71.999 mm N/A 3.5000 in88.900 mm N/A 529000 lbf2350000 N N/A 1400000 lbf6230000 N N/A CAD Icon (for items table)
LL483448 - LL483418 N/A LL483400 N/A 29.9183 in759.925 mm N/A 35.0000 in889.000 mm N/A 2.7500 in69.850 mm N/A 2.0000 in50.800 mm N/A 2.7500 in69.850 mm N/A 352000 lbf1570000 N N/A 960000 lbf4270000 N N/A CAD Icon (for items table)
EE175300 - 175350 N/A 175000 N/A 30.0000 in762.000 mm N/A 35.0000 in889.000 mm N/A 2.7500 in69.850 mm N/A 2.0000 in50.800 mm N/A 2.7500 in69.850 mm N/A 243000 lbf1080000 N N/A 762000 lbf3390000 N N/A CAD Icon (for items table)
L183449 - L183410 N/A L183400 N/A 30.0000 in762.000 mm N/A 35.0000 in889.000 mm N/A 3.5000 in88.900 mm N/A 2.8346 in71.999 mm N/A 3.5000 in88.900 mm N/A 529000 lbf2350000 N N/A 1400000 lbf6230000 N N/A CAD Icon (for items table)
LL483449 - LL483418 N/A LL483400 N/A 30.0000 in762.000 mm N/A 35.0000 in889.000 mm N/A 2.7500 in69.850 mm N/A 2.0000 in50.800 mm N/A 2.7500 in69.850 mm N/A 352000 lbf1570000 N N/A 960000 lbf4270000 N N/A CAD Icon (for items table)
LL584449 - LL584410 N/A LL584400 N/A 31.5625 in801.688 mm N/A 36.0000 in914.400 mm N/A 2.3125 in58.738 mm N/A 1.6250 in41.275 mm N/A 2.3125 in58.738 mm N/A 244000 lbf1090000 N N/A 778000 lbf3460000 N N/A CAD Icon (for items table)
EE763329 - 763410 N/A 763000 N/A 32.9375 in836.613 mm N/A 41.0000 in1041.400 mm N/A 3.5000 in88.900 mm N/A 2.6250 in66.675 mm N/A 3.6875 in93.663 mm N/A 569000 lbf2530000 N N/A 1330000 lbf5930000 N N/A CAD Icon (for items table)
EE763330 - 763410 N/A 763000 N/A 33.0000 in838.200 mm N/A 41.0000 in1041.400 mm N/A 3.5000 in88.900 mm N/A 2.6250 in66.675 mm N/A 3.6875 in93.663 mm N/A 569000 lbf2530000 N N/A 1330000 lbf5930000 N N/A CAD Icon (for items table)
EE157337 - 157430 N/A 157000 N/A 33.7500 in857.250 mm N/A 43.0000 in1092.200 mm N/A 4.3750 in111.125 mm N/A 3 in76.2 mm N/A 4.7500 in120.650 mm N/A 654000 lbf2910000 N N/A 1710000 lbf7630000 N N/A CAD Icon (for items table)
Unit of Measure
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