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_1ROWASSY_TS_32005X-90KA1-A
TRB TS Line Drawing
Unit of Measure
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Part Number

Bore (d)

O.D. (D)

Inner Ring Width (B)

Outer Ring Width (C)

Width (T)

Dynamic Radial Load Rating - 1M Revs (C1)

Static Radial Load Rating (C0)

Series

CAD

LL575343 / LL575310 N/A 21.0000 in533.400 mm N/A 25.0000 in635.000 mm N/A 2 in50.8 mm N/A 1.5 in38.1 mm N/A 2.0000 in50.800 mm N/A 201000 lbf892000 N N/A 459000 lbf2040000 N N/A LL575300 N/A
LL575343-903A4 N/A 21.0000 in533.400 mm N/A 25.0000 in635.000 mm N/A 2 in50.8 mm N/A 1.5 in38.1 mm N/A 2.0000 in50.800 mm N/A 201000 lbf892000 N N/A 459000 lbf2040000 N N/A LL575300 N/A
LL575343-903A5 N/A 21.0000 in533.400 mm N/A 25.0000 in635.000 mm N/A 2 in50.8 mm N/A 1.5 in38.1 mm N/A 2.0000 in50.800 mm N/A 201000 lbf892000 N N/A 459000 lbf2040000 N N/A LL575300 N/A
LL575343-903A8 N/A 21.0000 in533.400 mm N/A 25.0000 in635.000 mm N/A 2 in50.8 mm N/A 1.5 in38.1 mm N/A 2.0000 in50.800 mm N/A 201000 lbf892000 N N/A 459000 lbf2040000 N N/A LL575300 N/A
M276449 / M276410 N/A 21.125 in536.575 mm N/A 29.995 in761.873 mm N/A 5.75 in146.05 mm N/A 4.5 in114.3 mm N/A 5.75 in146.05 mm N/A 902000 lbf4010000 N N/A 2080000 lbf9250000 N N/A M276400 N/A
LL575349 / LL575310 N/A 21.2500 in539.750 mm N/A 25.0000 in635.000 mm N/A 2 in50.8 mm N/A 1.5 in38.1 mm N/A 2.0000 in50.800 mm N/A 201000 lbf892000 N N/A 459000 lbf2040000 N N/A LL575300 N/A
LL575349-903A2 N/A 21.2500 in539.750 mm N/A 25.0000 in635.000 mm N/A 2 in50.8 mm N/A 1.5 in38.1 mm N/A 2.0000 in50.800 mm N/A 201000 lbf892000 N N/A 459000 lbf2040000 N N/A LL575300 N/A
EE542215-90043 N/A 21.5 in546.1 mm N/A 29.0000 in736.600 mm N/A 3 in76.2 mm N/A 2 in50.8 mm N/A 3 in76.2 mm N/A 315000 lbf1400000 N N/A 728000 lbf3240000 N N/A 542000 N/A
L476548 / L476510 N/A 21.6180 in549.097 mm N/A 27.25 in692.15 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 L476500 N/A
L476549-90010 N/A 21.625 in549.275 mm N/A 27.25 in692.15 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 L476500 N/A
EE647220 / 647285 N/A 22 in558.8 mm N/A 28.5000 in723.900 mm N/A 2.875 in73.025 mm N/A 2.25 in57.15 mm N/A 2.875 in73.025 mm N/A 345000 lbf1540000 N N/A 773000 lbf3440000 N N/A 647000 N/A
EE542220 / 542290 N/A 22 in558.8 mm N/A 29.0000 in736.600 mm N/A 3 in76.2 mm N/A 2 in50.8 mm N/A 3 in76.2 mm N/A 315000 lbf1400000 N N/A 728000 lbf3240000 N N/A 542000 N/A
EE843220 / 843290 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 843000 N/A
LM377449 / LM377410 N/A 22 in558.8 mm N/A 29.0000 in736.600 mm N/A 4.125 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 LM377400 N/A
EE843220-90054 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 843000 N/A
LL777148 / LL777110 N/A 22.5 in571.5 mm N/A 26.0000 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 LL777100 N/A
M278749 / M278710 N/A 22.5 in571.5 mm N/A 32 in812.8 mm N/A 6.125 in155.575 mm N/A 4.75 in120.65 mm N/A 6.1250 in155.575 mm N/A 1020000 lbf4530000 N N/A 2370000 lbf10600000 N N/A M278700 N/A
LL778149-90018 N/A 23.0000 in584.200 mm N/A 27.0000 in685.800 mm N/A 1.9375 in49.213 mm N/A 1.375 in34.925 mm N/A 1.9375 in49.213 mm N/A 179000 lbf798000 N N/A 513000 lbf2280000 N N/A LL778100 N/A
LL778149 / LL778110 N/A 23.0000 in584.200 mm N/A 27.0000 in685.800 mm N/A 1.9375 in49.213 mm N/A 1.375 in34.925 mm N/A 1.9375 in49.213 mm N/A 179000 lbf798000 N N/A 513000 lbf2280000 N N/A LL778100 N/A
L778149 / L778110 N/A 23.0000 in584.200 mm N/A 27.9375 in709.613 mm N/A 2.25 in57.15 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 L778100 N/A
L778149-90017 N/A 23.0000 in584.200 mm N/A 27.9375 in709.613 mm N/A 2.25 in57.15 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 L778100 N/A
EE662303 / 663550 N/A 23.0000 in584.200 mm N/A 35.5 in901.7 mm N/A 5.5 in139.7 mm N/A 4.25 in107.95 mm N/A 5.9063 in150.020 mm N/A 1120000 lbf4980000 N N/A 1710000 lbf7590000 N N/A 660000 N/A
680235-90015 N/A 23.5 in596.9 mm N/A 27.0000 in685.800 mm N/A 1.25 in31.75 mm N/A 1.0000 in25.400 mm N/A 1.25 in31.75 mm N/A 77300 lbf344000 N N/A 217000 lbf963000 N N/A 680000 N/A
680235 / 680270 N/A 23.5 in596.9 mm N/A 27.0000 in685.800 mm N/A 1.25 in31.75 mm N/A 1.0000 in25.400 mm N/A 1.25 in31.75 mm N/A 77300 lbf344000 N N/A 217000 lbf963000 N N/A 680000 N/A
EE649237 / 649310 N/A 23.738 in602.945 mm N/A 31 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 649000 N/A
Unit of Measure
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