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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2TS-DM assemblies are comprised of two single-row bearings with abutting back facing inner rings and an outer ring spacer with lubricating holes is typical. These are generally used at fixed positions on rotating shaft applications.

Design Attributes:
  • Two single row bearings, with or without a spacer
  • When spacers are used, bearing is furnished as a preset, matched assembly
  • Spacers available with or without lubricant grooves and holes
    • Timken--Tapered-Single-Spacer-Assembly-with-Direct-Mounting--2TS-DM--Main_Family-Picture-2026
    TRB 2TS-DM Line Drawing
    Unit of Measure
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    Part Number

    Bore (d)

    O.D. (D)

    Width (T)

    B - Width

    C1 - Dynamic Radial Rating (1 million revolutions)

    CAD

    JLM506849-90KA7 N/A 2.1654 in55.000 mm N/A 3.5433 in90.000 mm N/A 1.811 in46 mm N/A 1.811 in46 mm N/A 42600 lbf190000 N N/A
    28680-902A2 N/A 2.1875 in55.563 mm N/A 3.8437 in97.630 mm N/A 1.9376 in49.215 mm N/A 1.9376 in49.216 mm N/A 48200 lbf215000 N N/A
    387A-90170 N/A 2.2500 in57.150 mm N/A 3.8125 in96.838 mm N/A 1.6536 in42.001 mm N/A 1.728 in43.892 mm N/A 42200 lbf188000 N N/A
    387A-902B1 N/A 2.2500 in57.150 mm N/A 3.9370 in100.000 mm N/A 1.6536 in42.001 mm N/A 1.728 in43.891 mm N/A 42200 lbf188000 N N/A
    3979-902A2 N/A 2.2500 in57.150 mm N/A 4.4375 in112.713 mm N/A 2.375 in60.325 mm N/A 2.366 in60.096 mm N/A 54300 lbf242000 N N/A
    3980-90058 N/A 2.3750 in60.325 mm N/A 4.4375 in112.713 mm N/A 2.375 in60.325 mm N/A 2.366 in60.096 mm N/A 54300 lbf242000 N N/A
    HM911245-90023 N/A 2.3750 in60.325 mm N/A 5.1250 in130.175 mm N/A 2.875 in73.025 mm N/A 2.625 in66.676 mm N/A 77400 lbf344000 N N/A
    HM911245-90055 N/A 2.3750 in60.325 mm N/A 5.1250 in130.175 mm N/A 2.875 in73.025 mm N/A 2.625 in66.675 mm N/A 77400 lbf344000 N N/A
    554-90127 N/A 2.4375 in61.913 mm N/A 4.8750 in123.825 mm N/A 3 in76.2 mm N/A 2.8880 in73.356 mm N/A 74700 lbf332000 N N/A
    H913842-90020 N/A 2.4375 in61.913 mm N/A 5.7500 in146.050 mm N/A 3.25 in82.55 mm N/A 3.125 in79.376 mm N/A 107000 lbf474000 N N/A
    9181-90020 N/A 2.4375 in61.913 mm N/A 6.0000 in152.400 mm N/A 3.75 in95.25 mm N/A 3.625 in92.076 mm N/A 112000 lbf497000 N N/A
    29585-90059 N/A 2.5000 in63.500 mm N/A 4.25 in107.95 mm N/A 2 in50.8 mm N/A 2 in50.8 mm N/A 51100 lbf227000 N N/A
    3982-902B3 N/A 2.5000 in63.500 mm N/A 4.4375 in112.713 mm N/A 2.375 in60.325 mm N/A 2.366 in60.096 mm N/A 54300 lbf242000 N N/A
    39585-902A4 N/A 2.5000 in63.500 mm N/A 4.4375 in112.713 mm N/A 2.375 in60.325 mm N/A 2.375 in60.235 mm N/A 65300 lbf291000 N N/A
    3982-90097 N/A 2.5000 in63.500 mm N/A 4.4375 in112.713 mm N/A 2.375 in60.325 mm N/A 2.366 in60.096 mm N/A 54300 lbf242000 N N/A
    HM212047-902A1 N/A 2.5000 in63.500 mm N/A 4.8125 in122.238 mm N/A 3 in76.2 mm N/A 3.02 in76.708 mm N/A 104000 lbf465000 N N/A
    HM212047-902A2 N/A 2.5000 in63.500 mm N/A 4.8125 in122.238 mm N/A 3 in76.2 mm N/A 3.02 in76.708 mm N/A 104000 lbf465000 N N/A
    HM212047-902A4 N/A 2.5000 in63.500 mm N/A 4.8125 in122.238 mm N/A 3 in76.2 mm N/A 3.02 in76.708 mm N/A 104000 lbf465000 N N/A
    78250-90027 N/A 2.5000 in63.500 mm N/A 5.5130 in140.030 mm N/A 2.875 in73.025 mm N/A 2.6170 in66.472 mm N/A 79300 lbf353000 N N/A
    JLM710949C-90KA9 N/A 2.5591 in65.000 mm N/A 4.1339 in105.000 mm N/A 1.8898 in48 mm N/A 1.811 in46 mm N/A 50200 lbf223000 N N/A
    JM511946-90KA5 N/A 2.5591 in65.000 mm N/A 4.3307 in110.000 mm N/A 2.2047 in56 mm N/A 2.2048 in56 mm N/A 65400 lbf291000 N N/A
    6379-902A3 N/A 2.5625 in65.088 mm N/A 5.3447 in135.755 mm N/A 4.25 in107.95 mm N/A 4.41 in112.014 mm N/A 149000 lbf663000 N N/A
    39590A-90032 N/A 2.6240 in66.650 mm N/A 4.4375 in112.713 mm N/A 2.375 in60.325 mm N/A 2.375 in60.325 mm N/A 65300 lbf291000 N N/A
    39590-90044 N/A 2.6250 in66.675 mm N/A 4.4375 in112.713 mm N/A 2.375 in60.325 mm N/A 2.375 in60.324 mm N/A 65300 lbf291000 N N/A
    HM212049-90017 N/A 2.6250 in66.675 mm N/A 4.8125 in122.238 mm N/A 3 in76.2 mm N/A 3.02 in76.708 mm N/A 104000 lbf465000 N N/A
    Unit of Measure
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