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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

539A / 532XA N/A 2.1250 in53.975 mm N/A 4.3287 in109.949 mm N/A 1.455 in36.957 mm N/A 1.125 in28.575 mm N/A 1.4376 in36.515 mm N/A 45900 lbf204000 N N/A 46200 lbf206000 N N/A 535 N/A
539W / 532XA N/A 2.1250 in53.975 mm N/A 4.3287 in109.949 mm N/A 1.455 in36.957 mm N/A 1.125 in28.575 mm N/A 1.4376 in36.515 mm N/A 38700 lbf172000 N N/A 46200 lbf206000 N N/A 535 N/A
539 / 532XA N/A 2.1250 in53.975 mm N/A 4.3287 in109.949 mm N/A 1.455 in36.957 mm N/A 1.125 in28.575 mm N/A 1.4375 in36.513 mm N/A 45900 lbf204000 N N/A 46200 lbf206000 N N/A 535 N/A
55212C / 55434 N/A 2.1250 in53.975 mm N/A 4.3301 in109.985 mm N/A 1.0594 in26.909 mm N/A 0.7766 in19.726 mm N/A 1.1516 in29.251 mm N/A 34000 lbf151000 N N/A 36200 lbf161000 N N/A 55000C N/A
456 / 454 N/A 2.1250 in53.975 mm N/A 4.3307 in110.000 mm N/A 1.1542 in29.317 mm N/A 1.063 in27 mm N/A 1.0938 in27.783 mm N/A 36100 lbf161000 N N/A 37200 lbf166000 N N/A 455 N/A
539 / 533X N/A 2.1250 in53.975 mm N/A 4.3307 in110.000 mm N/A 1.455 in36.957 mm N/A 1.1875 in30.163 mm N/A 1.5001 in38.103 mm N/A 45900 lbf204000 N N/A 46200 lbf206000 N N/A 535 N/A
539A / 533X N/A 2.1250 in53.975 mm N/A 4.3307 in110.000 mm N/A 1.455 in36.957 mm N/A 1.1875 in30.163 mm N/A 1.5001 in38.103 mm N/A 45900 lbf204000 N N/A 46200 lbf206000 N N/A 535 N/A
539W / 533X N/A 2.1250 in53.975 mm N/A 4.3307 in110.000 mm N/A 1.455 in36.957 mm N/A 1.1875 in30.163 mm N/A 1.5001 in38.103 mm N/A 38700 lbf172000 N N/A 46200 lbf206000 N N/A 535 N/A
4595 / 4536 N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 1.581 in40.157 mm N/A 1.2813 in32.545 mm N/A 1.5313 in38.895 mm N/A 40500 lbf180000 N N/A 53200 lbf237000 N N/A 4500 N/A
4553 / 4536 N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 1.8310 in46.507 mm N/A 1.2813 in32.545 mm N/A 1.7812 in45.242 mm N/A 40500 lbf180000 N N/A 53200 lbf237000 N N/A 4500 N/A
539 / 532 N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 1.455 in36.957 mm N/A 1.3125 in33.338 mm N/A 1.5001 in38.103 mm N/A 45900 lbf204000 N N/A 46200 lbf206000 N N/A 535 N/A
539A / 532 N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 1.455 in36.957 mm N/A 1.3125 in33.338 mm N/A 1.5001 in38.103 mm N/A 45900 lbf204000 N N/A 46200 lbf206000 N N/A 535 N/A
539W / 532 N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 1.455 in36.957 mm N/A 1.3125 in33.338 mm N/A 1.5001 in38.103 mm N/A 38700 lbf172000 N N/A 46200 lbf206000 N N/A 535 N/A
539A / 532A N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 1.455 in36.957 mm N/A 1.1875 in30.163 mm N/A 1.5 in38.1 mm N/A 45900 lbf204000 N N/A 46200 lbf206000 N N/A 535 N/A
539W / 532A N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 1.455 in36.957 mm N/A 1.1875 in30.163 mm N/A 1.5001 in38.103 mm N/A 38700 lbf172000 N N/A 46200 lbf206000 N N/A 535 N/A
539 / 532A N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 1.455 in36.957 mm N/A 1.1875 in30.163 mm N/A 1.5001 in38.103 mm N/A 45900 lbf204000 N N/A 46200 lbf206000 N N/A 535 N/A
55212C / 55437 N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 1.0594 in26.909 mm N/A 0.8125 in20.638 mm N/A 1.1875 in30.163 mm N/A 34000 lbf151000 N N/A 36200 lbf161000 N N/A 55000C N/A
39578 / 39520 N/A 2.1250 in53.975 mm N/A 4.4375 in112.713 mm N/A 1.1875 in30.163 mm N/A 0.9375 in23.813 mm N/A 1.1875 in30.163 mm N/A 37500 lbf167000 N N/A 50300 lbf224000 N N/A 39500 N/A
39578 / 39520P N/A 2.1250 in53.975 mm N/A 4.4375 in112.713 mm N/A 1.1875 in30.163 mm N/A 0.9375 in23.813 mm N/A 1.1876 in30.165 mm N/A 37500 lbf167000 N N/A 50300 lbf224000 N N/A 39500 N/A
39578 / 39520XX N/A 2.1250 in53.975 mm N/A 4.4375 in112.713 mm N/A 1.1875 in30.163 mm N/A 0.9375 in23.813 mm N/A 1.1876 in30.165 mm N/A 37500 lbf167000 N N/A 50300 lbf224000 N N/A 39500 N/A
39578 / 39521 N/A 2.1250 in53.975 mm N/A 4.4375 in112.713 mm N/A 1.1875 in30.163 mm N/A 0.9375 in23.813 mm N/A 1.1876 in30.165 mm N/A 37500 lbf167000 N N/A 50300 lbf224000 N N/A 39500 N/A
39578 / 39522 N/A 2.1250 in53.975 mm N/A 4.4375 in112.713 mm N/A 1.1875 in30.163 mm N/A 1.1875 in30.163 mm N/A 1.4376 in36.515 mm N/A 37500 lbf167000 N N/A 50300 lbf224000 N N/A 39500 N/A
55212C / 55443 N/A 2.1250 in53.975 mm N/A 4.4375 in112.713 mm N/A 1.0594 in26.909 mm N/A 0.8125 in20.638 mm N/A 1.1875 in30.163 mm N/A 34000 lbf151000 N N/A 36200 lbf161000 N N/A 55000C N/A
621 / 614X N/A 2.1250 in53.975 mm N/A 4.5276 in115.001 mm N/A 1.625 in41.275 mm N/A 1.2400 in31.496 mm N/A 1.6151 in41.024 mm N/A 46600 lbf207000 N N/A 54800 lbf244000 N N/A 615 N/A
66212 / 66461 N/A 2.1250 in53.975 mm N/A 4.6250 in117.475 mm N/A 1.25 in31.75 mm N/A 0.9375 in23.813 mm N/A 1.3125 in33.338 mm N/A 39700 lbf177000 N N/A 37300 lbf166000 N N/A 66000 N/A
Unit of Measure
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