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  • Specifically designed for the pump industry, this coupling accommodates industry standard as well as special pump/motor separation
  • This shaft separation facilitates easy pump repair of pump packing, bearings, and seals without disturbing pump or motor mounting and alignment
  • The SC Type coupling consists of two flanges, a sleeve and two shaft hubs
Quick Coupling Removal
  • The center drop out section consists of two flanges and the flexible sleeve
  • The flange is bolted to the shaft hub with four hex head cap screws
  • The center drop out section can be removed by removing the hex head cap screws
  • Flats on each hub provides a convenient grip for a wrench in order to facilitate loosening of the screws and, if desired, turning of the pump/motor shafts
  • Once the hub is removed from the pump shaft, maintenance on the pump can be done without disturbing equipment alignment
Unit of Measure



N/A 6SCH SPCR HUB 5/8 3/16X3/32KW

Coupling Type

N/A Coupling Hubs

Hub #



N/A Cast Iron


N/A Gray

Bore Type

N/A Finished Bore

# of Cap Screws Required

N/A 4

Coupling Type

N/A S-Flex


N/A 1.60 lb

Dimensional Data

Bore Size 

N/A 5/8 in

Thread (Dimension T)

N/A 5/16-18

Keyway Size (W x D)

N/A 3/16 x 3/32 in

Outside Diameter

N/A 2.500 in63.50 mm

Max. Bore

N/A 1.375 in

Dimension L

N/A 1.220 in30.99 mm

Dimension SL

N/A 0.630 in16.00 mm

Cap Screw Required Size

N/A 1/4 - 1-3/4

Cubic inches

N/A 7.62500 in³

Performance Data

Nominal Torque (with EPDM Sleeve)

N/A 450 in·lb

Max. Speed

N/A 6000 rpm

Torsional Stiffness

N/A 1718.00 in·lb/rad

Rated HP at 100 rpm

N/A 0.70 hp

Rated HP at 1,200 rpm

N/A 8.60 hp

Rated HP at 1,800 rpm

N/A 12.90 hp

Rated HP at 3,600 rpm

N/A 25.70 hp



  • SC = Standard Length
  • SCHS = Short Length
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