Montage of Timken Bearing Products
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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

    Notes

    Disclaimer

    		 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.

    Specifications

    Description 

    		 N/A SXC278-6-HUB-RSB

    Hub Style

    		 N/A Standard

    Type

    		 N/A Disc Coupling Hubs

    Hub Material

    		 N/A AISI 1045

    Style

    		 N/A Unbored

    Color

    		 N/A Metallic

    Bore Type

    		 N/A Rough Stock Bore

    Coupling Series

    		 N/A SXC-6

    Coupling Type

    		 N/A Disc

    Weight

    		 N/A 51.76 lb

    Weight (Complete Coupling w/ Max. Bores)

    		 N/A 79.00 lb

    Dimensional Data

    Size

    		 N/A 278-6

    Set Screw Style Coupling Size (Dimension T)

    		 N/A No Setscrew

    Length thru Bore

    		 N/A 4.920 in124.97 mm

    Overall Length

    		 N/A 10.200 in259.00 mm

    Max. Bore (Dimensions ID1/ID2)

    		 N/A 4.250 in105.00 mm

    Dimension BR

    		 N/A 4.130 in105.00 mm

    Dimension FD

    		 N/A 10.950 in278.00 mm

    Dimension FW

    		 N/A 0.790 in20.00 mm

    Dimension HD

    		 N/A 5.990 in152.00 mm

    Dimension HH

    		 N/A 0.510 in13.00 mm

    Dimension PW

    		 N/A 0.840 in21.34 mm

    Dimension S

    		 N/A 6.960 in177.00 mm

    Distance between Shaft Ends (Dimension BSE)

    		 N/A 0.370 in9.00 mm

    Cubic inches

    		 N/A 589.92030 in³

    Performance Data

    Nominal Torque

    		 N/A 125700.00 in·lb

    Max. Torque

    		 N/A 251400.00 in·lb

    Max. Speed (Unbalanced)

    		 N/A 2800.00 rpm

    Max. Speed (Balanced)

    		 N/A 7000.00 rpm

    Axial Misalignment (∆ Ka)

    		 N/A 0.205 in

    Max. Angular Misalignment

    		 N/A 1.00 º

    Torsional Stiffness x 106

    		 N/A 63.00 in·lb/rad

    Rated Power at 100 rpm

    		 N/A 199.50 hp148.80 kW

    Features

    Features 

    		 N/A
    • 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