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
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    Unit of Measure

    Other Dimensions

    Weight

    		 N/A 2.19 Kg4.82 lb

    Width (T)

    		 N/A 2.2047 in56 mm

    B - Width

    		 N/A 2.2048 in56 mm
    Max Shaft Fillet Radius1 N/A 0.01 in0.30 mm
    Max Housing Fillet Radius2 N/A 0.1 in2.54 mm

    Shaft Backing Shoulder Diameter - Backface (db)

    		 N/A 3.07 in78 mm

    Housing Backing Shoulder Diameter - Frontface (Da)

    		 N/A 4.15 in105.40 mm

    Key Dimensions

    Cone Part Number

    		 N/A JM511946

    Cup Part Number

    		 N/A JM511910

    Outer Spacer Part Number

    		 N/A JY11011-Q

    Design Unit

    		 N/A Metric

    Bore (d)

    		 N/A 2.5591 in65.000 mm

    O.D. (D)

    		 N/A 4.3307 in110.000 mm
    Dynamic Radial Load Rating - 90M Revs (C90) 3 N/A 9740 lbf43300 N
    Dynamic Radial Load Rating 2-Row - 90M Revs (C90-2row)4 N/A 17000 lbf75400 N
    K Factor 5 N/A 1.45
    e Factor 6 N/A 0.4

    Ratings

    C1 - Dynamic Radial Rating (1 million revolutions)7 N/A 65400 lbf291000 N
    Ca90 - Dynamic Thrust Rating (90 million revolutions)8 N/A 6700 lbf29800 N

    Factors

    Y1 Factor 9 N/A 1.68
    Y2 Factor 10 N/A 2.5
    • 1 These maximum fillet radii will be cleared by the bearing corners.
    • 2 These maximum fillet radii will be cleared by the bearing corners.
    • 3 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
    • 4 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
    • 5 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
    • 6 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
    • 7 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
    • 8 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
    • 9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
    • 10 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.