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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Key Features

  • Available in single, double and multi-row configurations, as well as proprietary sizes
  • Designed in collaboration with OE engineers to design, engineer and test bearings for premium performance in many applications
  • Power dense designs allow for heavier loads and can help extend bearing life
  • Optimized internal geometry lowers torque and operating temperatures to extend lubrication system life
  • Can be designed to withstand high-corrosive, high-temperature and vacuum or low-lubrication environments with proprietary enhancements
Timken_TRB_1ROWASSY_TSF_32312BM-90KM2-T
TRB TSF 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

55206 / 55437-B N/A 2.0625 in52.388 mm N/A 4.3750 in111.125 mm N/A 1.0594 in26.909 mm N/A 0.8125 in20.638 mm N/A 0.5938 in15.083 mm N/A 28300 lbf126000 N N/A 26700 lbf119000 N N/A 55000 N/A
55206C / 55437-B N/A 2.0625 in52.388 mm N/A 4.3750 in111.125 mm N/A 1.0594 in26.909 mm N/A 0.8125 in20.638 mm N/A 0.5938 in15.083 mm N/A 34000 lbf151000 N N/A 36200 lbf161000 N N/A 55000C N/A
33895-90034 N/A 2.1250 in53.975 mm N/A 3.6718 in93.264 mm N/A 1.1250 in28.575 mm N/A 0.875 in22.225 mm N/A 0.4063 in10.320 mm N/A 29200 lbf130000 N N/A 36200 lbf161000 N N/A 33800 N/A
33895 / 33820B N/A 2.1250 in53.975 mm N/A 3.6718 in93.264 mm N/A 1.1250 in28.575 mm N/A 0.875 in22.225 mm N/A 0.4063 in10.320 mm N/A 29200 lbf130000 N N/A 36200 lbf161000 N N/A 33800 N/A
456 / 453-B N/A 2.1250 in53.975 mm N/A 4.25 in107.95 mm N/A 1.1542 in29.317 mm N/A 0.875 in22.225 mm N/A 0.4376 in11.115 mm N/A 36100 lbf161000 N N/A 37200 lbf166000 N N/A 455 N/A
456 / 453XB N/A 2.1250 in53.975 mm N/A 4.25 in107.95 mm N/A 1.1542 in29.317 mm N/A 0.9687 in24.605 mm N/A 0.3440 in8.738 mm N/A 36100 lbf161000 N N/A 37200 lbf166000 N N/A 455 N/A
621 / 612-B N/A 2.1250 in53.975 mm N/A 4.75 in120.65 mm N/A 1.625 in41.275 mm N/A 1.2500 in31.750 mm N/A 0.6562 in16.667 mm N/A 46600 lbf207000 N N/A 54800 lbf244000 N N/A 615 N/A
557-S / 552-B N/A 2.1250 in53.975 mm N/A 4.8750 in123.825 mm N/A 1.444 in36.678 mm N/A 1.1875 in30.163 mm N/A 0.5625 in14.288 mm N/A 50800 lbf226000 N N/A 55700 lbf248000 N N/A 555 N/A
557-S / 553-BA N/A 2.1250 in53.975 mm N/A 5 in127 mm N/A 1.444 in36.678 mm N/A 1.375 in34.925 mm N/A 0.281 in7.137 mm N/A 50800 lbf226000 N N/A 55700 lbf248000 N N/A 555 N/A
6280-90012 N/A 2.1250 in53.975 mm N/A 5 in127 mm N/A 2.0625 in52.388 mm N/A 1.625 in41.275 mm N/A 0.6875 in17.463 mm N/A 68800 lbf306000 N N/A 83300 lbf370000 N N/A 6200 N/A
65212 / 65500B N/A 2.1250 in53.975 mm N/A 5 in127 mm N/A 1.75 in44.45 mm N/A 1.375 in34.925 mm N/A 0.6563 in16.67 mm N/A 54700 lbf243000 N N/A 66700 lbf297000 N N/A 65000 N/A
6380 / 6320-B N/A 2.1580 in54.813 mm N/A 5.3447 in135.755 mm N/A 2.2050 in56.007 mm N/A 1.7500 in44.450 mm N/A 0.6875 in17.463 mm N/A 72300 lbf321000 N N/A 90900 lbf404000 N N/A 6300 N/A
466 / 453XB N/A 2.1649 in54.988 mm N/A 4.25 in107.95 mm N/A 1.1542 in29.317 mm N/A 0.9687 in24.605 mm N/A 0.3440 in8.738 mm N/A 36100 lbf161000 N N/A 37200 lbf166000 N N/A 455 N/A
6381 / 6320-B N/A 2.1649 in54.988 mm N/A 5.3447 in135.755 mm N/A 2.2050 in56.007 mm N/A 1.7500 in44.450 mm N/A 0.6875 in17.463 mm N/A 72300 lbf321000 N N/A 90900 lbf404000 N N/A 6300 N/A
385 / 382B N/A 2.1654 in55.001 mm N/A 3.8125 in96.838 mm N/A 0.864 in21.946 mm N/A 0.7018 in17.826 mm N/A 0.3125 in7.938 mm N/A 24200 lbf108000 N N/A 24100 lbf107000 N N/A 385 N/A
475 / 472-B N/A 2.1654 in55.001 mm N/A 4.7244 in120.000 mm N/A 1.142 in29.007 mm N/A 0.9542 in24.237 mm N/A 0.4368 in11.095 mm N/A 32200 lbf143000 N N/A 41900 lbf186000 N N/A 475 N/A
466-S / 453-B N/A 2.1875 in55.563 mm N/A 4.25 in107.95 mm N/A 1.1542 in29.317 mm N/A 0.875 in22.225 mm N/A 0.4375 in11.113 mm N/A 36100 lbf161000 N N/A 37200 lbf166000 N N/A 455 N/A
389 / 382-B N/A 2.188 in55.575 mm N/A 3.8125 in96.838 mm N/A 0.864 in21.946 mm N/A 0.7018 in17.826 mm N/A 0.3125 in7.938 mm N/A 24200 lbf108000 N N/A 24100 lbf107000 N N/A 385 N/A
LL408049 / LL408010-B N/A 2.2500 in57.150 mm N/A 3.3438 in84.933 mm N/A 0.5 in12.7 mm N/A 0.375 in9.525 mm N/A 0.2350 in5.969 mm N/A 8120 lbf36100 N N/A 10500 lbf46800 N N/A LL408000 N/A
L507949-99302 N/A 2.2500 in57.150 mm N/A 3.4375 in87.313 mm N/A 0.7188 in18.258 mm N/A 0.5625 in14.288 mm N/A 0.2813 in7.145 mm N/A 14100 lbf62700 N N/A 21500 lbf95600 N N/A L507900 N/A
L507949 / L507910B N/A 2.2500 in57.150 mm N/A 3.4375 in87.313 mm N/A 0.7188 in18.258 mm N/A 0.5625 in14.288 mm N/A 0.2813 in7.145 mm N/A 14100 lbf62700 N N/A 21500 lbf95600 N N/A L507900 N/A
387-99302 N/A 2.2500 in57.150 mm N/A 3.8125 in96.838 mm N/A 0.864 in21.946 mm N/A 0.7018 in17.826 mm N/A 0.3125 in7.938 mm N/A 24200 lbf108000 N N/A 24100 lbf107000 N N/A 385 N/A
387A / 382B N/A 2.2500 in57.150 mm N/A 3.8125 in96.838 mm N/A 0.864 in21.946 mm N/A 0.7018 in17.826 mm N/A 0.3125 in7.938 mm N/A 24200 lbf108000 N N/A 24100 lbf107000 N N/A 385 N/A
387 / 382B N/A 2.2500 in57.150 mm N/A 3.8125 in96.838 mm N/A 0.864 in21.946 mm N/A 0.7018 in17.826 mm N/A 0.3125 in7.938 mm N/A 24200 lbf108000 N N/A 24100 lbf107000 N N/A 385 N/A
28682-99302 N/A 2.2500 in57.150 mm N/A 3.8437 in97.630 mm N/A 0.9688 in24.608 mm N/A 0.7656 in19.446 mm N/A 0.3592 in9.124 mm N/A 27700 lbf123000 N N/A 32000 lbf142000 N N/A 28600 N/A
Unit of Measure
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