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

615 / 612-B N/A 1.75 in44.45 mm N/A 4.75 in120.65 mm N/A 1.625 in41.275 mm N/A 1.25 in31.75 mm N/A 0.6525 in16.574 mm N/A 46600 lbf207000 N N/A 54800 lbf244000 N N/A 615 N/A
6277 / 6220-B N/A 1.75 in44.45 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
6280-90012 N/A 2.125 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
6375 / 6320-B N/A 2.25 in57.15 mm N/A 5.3447 in135.755 mm N/A 2.205 in56.007 mm N/A 1.75 in44.45 mm N/A 0.6875 in17.463 mm N/A 72300 lbf321000 N N/A 90900 lbf404000 N N/A 6300 N/A
6386 / 6320-B N/A 2.625 in66.675 mm N/A 5.3447 in135.755 mm N/A 2.205 in56.007 mm N/A 1.75 in44.45 mm N/A 0.6875 in17.463 mm N/A 72300 lbf321000 N N/A 90900 lbf404000 N N/A 6300 N/A
6381 / 6320-B N/A 2.1649 in54.988 mm N/A 5.3447 in135.755 mm N/A 2.205 in56.007 mm N/A 1.75 in44.45 mm N/A 0.6875 in17.463 mm N/A 72300 lbf321000 N N/A 90900 lbf404000 N N/A 6300 N/A
6380 / 6320-B N/A 2.1580 in54.813 mm N/A 5.3447 in135.755 mm N/A 2.205 in56.007 mm N/A 1.75 in44.45 mm N/A 0.6875 in17.463 mm N/A 72300 lbf321000 N N/A 90900 lbf404000 N N/A 6300 N/A
6379 / 6320-B N/A 2.5625 in65.088 mm N/A 5.3447 in135.755 mm N/A 2.205 in56.007 mm N/A 1.75 in44.45 mm N/A 0.6875 in17.463 mm N/A 85600 lbf381000 N N/A 90900 lbf404000 N N/A 6300 N/A
6376 / 6320-B N/A 2.375 in60.325 mm N/A 5.3447 in135.755 mm N/A 2.205 in56.007 mm N/A 1.75 in44.45 mm N/A 0.6875 in17.463 mm N/A 72300 lbf321000 N N/A 90900 lbf404000 N N/A 6300 N/A
645 / 632-B N/A 2.8125 in71.438 mm N/A 5.375 in136.525 mm N/A 1.625 in41.275 mm N/A 1.25 in31.75 mm N/A 0.6560 in16.662 mm N/A 62100 lbf276000 N N/A 67000 lbf298000 N N/A 635 N/A
641 / 632B N/A 2.625 in66.675 mm N/A 5.375 in136.525 mm N/A 1.625 in41.275 mm N/A 1.25 in31.75 mm N/A 0.6560 in16.662 mm N/A 62100 lbf276000 N N/A 67000 lbf298000 N N/A 635 N/A
642 / 632-B N/A 2.6875 in68.263 mm N/A 5.375 in136.525 mm N/A 1.625 in41.275 mm N/A 1.25 in31.75 mm N/A 0.6560 in16.662 mm N/A 52400 lbf233000 N N/A 67000 lbf298000 N N/A 635 N/A
EE640192 / 640260B N/A 19.25 in488.95 mm N/A 26 in660.4 mm N/A 3.7188 in94.458 mm N/A 2.75 in69.85 mm N/A 1.5 in38.1 mm N/A 533000 lbf2370000 N N/A 1030000 lbf4590000 N N/A 640000 N/A
6461 / 6420B N/A 3 in76.2 mm N/A 5.875 in149.225 mm N/A 2.135 in54.229 mm N/A 1.75 in44.45 mm N/A 0.6875 in17.462 mm N/A 92400 lbf411000 N N/A 104000 lbf463000 N N/A 6400 N/A
6461A / 6420-B N/A 3 in76.2 mm N/A 5.875 in149.225 mm N/A 2.135 in54.229 mm N/A 1.75 in44.45 mm N/A 0.6875 in17.462 mm N/A 92400 lbf411000 N N/A 104000 lbf463000 N N/A 6400 N/A
6464 / 6420-B N/A 2.5575 in64.961 mm N/A 5.875 in149.225 mm N/A 2.135 in54.229 mm N/A 1.75 in44.45 mm N/A 0.6875 in17.462 mm N/A 92400 lbf411000 N N/A 104000 lbf463000 N N/A 6400 N/A
6460 / 6420-B N/A 2.875 in73.025 mm N/A 5.875 in149.225 mm N/A 2.135 in54.229 mm N/A 1.75 in44.45 mm N/A 0.6875 in17.462 mm N/A 92400 lbf411000 N N/A 104000 lbf463000 N N/A 6400 N/A
6475 / 6420-B N/A 2.5 in63.5 mm N/A 5.875 in149.225 mm N/A 2.135 in54.229 mm N/A 1.75 in44.45 mm N/A 0.6875 in17.462 mm N/A 92400 lbf411000 N N/A 104000 lbf463000 N N/A 6400 N/A
6455 / 6420-B N/A 2.25 in57.15 mm N/A 5.875 in149.225 mm N/A 2.135 in54.229 mm N/A 1.75 in44.45 mm N/A 0.6875 in17.462 mm N/A 92400 lbf411000 N N/A 104000 lbf463000 N N/A 6400 N/A
6454 / 6420-B N/A 2.75 in69.85 mm N/A 5.875 in149.225 mm N/A 2.135 in54.229 mm N/A 1.75 in44.45 mm N/A 0.6875 in17.462 mm N/A 92400 lbf411000 N N/A 104000 lbf463000 N N/A 6400 N/A
64433 / 64700-B N/A 4.3304 in109.992 mm N/A 7 in177.8 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 0.7188 in18.258 mm N/A 61800 lbf275000 N N/A 94200 lbf419000 N N/A 64000 N/A
64450 / 64700-B N/A 4.5 in114.3 mm N/A 7 in177.8 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 0.7188 in18.258 mm N/A 61800 lbf275000 N N/A 94200 lbf419000 N N/A 64000 N/A
657 / 652-B N/A 2.875 in73.025 mm N/A 6 in152.4 mm N/A 1.625 in41.275 mm N/A 1.25 in31.75 mm N/A 0.6562 in16.667 mm N/A 55500 lbf247000 N N/A 75300 lbf335000 N N/A 655 N/A
655 / 652-B N/A 2.75 in69.85 mm N/A 6 in152.4 mm N/A 1.625 in41.275 mm N/A 1.25 in31.75 mm N/A 0.6562 in16.667 mm N/A 55500 lbf247000 N N/A 75300 lbf335000 N N/A 655 N/A
665 / 652-B N/A 3.375 in85.725 mm N/A 6 in152.4 mm N/A 1.625 in41.275 mm N/A 1.25 in31.75 mm N/A 0.6562 in16.667 mm N/A 55500 lbf247000 N N/A 75300 lbf335000 N N/A 655 N/A
Unit of Measure
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