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    The SXC Type is the close coupled variation of the SX Type coupling. The SXC is similar to the SX coupling in that the disc packs are attached when the coupling is installed. In the close coupled units, the hubs are turned inward and are mounted inside the spacer. Note that with the hubs inside the spacer, the maximum bore allowed in the hub will be decreased. The SXC couplings can be used with one or both hubs turned outward to allow the coupling to accommodate different shaft separations.
    Note: The SXC Type uses the same disc pack kits and spacers as the SX Type.
    Unit of Measure



    N/A Lovejoy: CAD Models are accurate envelope dimensions only. Features such as bore size and keyway are not rendered or are only representative. Contact Lovejoy Technical Support or refer to product catalogs for details.



    N/A SXC185-6 HUB 2.3765 KW2SS

    Hub Style

    N/A Standard


    N/A Disc Coupling Hubs

    Hub Material

    N/A AISI 1045


    N/A Bored


    N/A Metallic

    Coupling Series

    N/A SXC-6

    Coupling Type

    N/A Disc

    Weight (Complete Coupling w/ Max. Bores)

    N/A 22.00 lb


    N/A 9.18 lb

    Dimensional Data

    Bore Size 

    N/A 2 3/8 in


    N/A 185-6

    Set Screw Style Coupling Size (Dimension T)

    N/A 3/8-16

    Keyway Size (W x D)

    N/A 5/8 x 5/16 in

    Keyway Size (W x D) 2

    N/A 5/8 x 5/16 in

    Length thru Bore

    N/A 3.15 in80.01 mm

    Overall Length

    N/A 6.440 in164.00 mm

    Max. Bore (Dimensions ID1/ID2)

    N/A 2.680 in68.00 mm

    Dimension BR

    N/A 2.560 in65.00 mm

    Dimension FD

    N/A 7.280 in185.00 mm

    Dimension FW

    N/A 0.470 in12.00 mm

    Dimension HD

    N/A 3.74 in95 mm

    Dimension HH

    N/A 0.310 in8.00 mm

    Dimension PW

    N/A 0.550 in13.97 mm

    Dimension S

    N/A 4.400 in112.00 mm

    Distance between Shaft Ends (Dimension BSE)

    N/A 0.140 in4.00 mm

    Cubic inches

    N/A 166.94496 in³

    Performance Data

    Nominal Torque

    N/A 29200 in·lb

    Max. Torque

    N/A 58400 in·lb

    Max. Speed (Unbalanced)

    N/A 4200 rpm

    Max. Speed (Balanced)

    N/A 10500 rpm

    Axial Misalignment (∆ Ka)

    N/A 0.146 in

    Max. Angular Misalignment

    N/A 1.50 º

    Torsional Stiffness x 106

    N/A 11.50 in·lb/rad

    Rated Power at 100 rpm

    N/A 46.30 hp34.50 kW



    • Unitized disc packs
    • Infinite life if properly aligned
    • Torsionally rigid without any back lash
    • No need for lubrication or maintenance
    • No wearing parts and high resistance to harsh environmental conditions
    • Can be combined with SU/SX hub for increased bore capacity
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