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 1.12 Kg2.5 lb

    Width (T)

    		 N/A 1.811 in46 mm

    B - Width

    		 N/A 1.811 in46 mm
    Max Shaft Fillet Radius1 N/A 0.01 in0.30 mm
    Max Housing Fillet Radius2 N/A 0.02 in0.51 mm

    Shaft Backing Shoulder Diameter - Backface (db)

    		 N/A 2.56 in65 mm

    Housing Backing Shoulder Diameter - Frontface (Da)

    		 N/A 3.40 in86.40 mm

    Key Dimensions

    Cone Part Number

    		 N/A JLM506849

    Cup Part Number

    		 N/A JLM506810

    Outer Spacer Part Number

    		 N/A LM506810EX

    Design Unit

    		 N/A Metric

    Bore (d)

    		 N/A 2.1654 in55.000 mm

    O.D. (D)

    		 N/A 3.5433 in90.000 mm
    Dynamic Radial Load Rating - 90M Revs (C90) 3 N/A 6340 lbf28200 N
    Dynamic Radial Load Rating 2-Row - 90M Revs (C90-2row)4 N/A 11000 lbf49100 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 42600 lbf190000 N
    Ca90 - Dynamic Thrust Rating (90 million revolutions)8 N/A 4370 lbf19400 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.