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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




Coupling Type

N/A Coupling Hubs

Hub #



N/A Cast Iron


N/A Gray

Bore Type

N/A Rough Stock Bore

# of Cap Screws Required

N/A 4

Coupling Type

N/A S-Flex


N/A 24.20 lb

Dimensional Data

Bore Size 

N/A 1 3/4 in

Thread (Dimension T)

N/A 3/4-10

Keyway Size (W x D)

N/A No Keyway

Outside Diameter

N/A 6.5 in165.10 mm

Max. Bore

N/A 3.875 in

Dimension L

N/A 3.380 in85.85 mm

Dimension SL

N/A 1.920 in48.77 mm

Cap Screw Required Size

N/A 5/8 - 5

Performance Data

Nominal Torque (with EPDM Sleeve)

N/A 18000 in·lb

Max. Speed

N/A 2200 rpm

Torsional Stiffness

N/A 68755.00 in·lb/rad

Rated HP at 100 rpm

N/A 28.60 hp

Rated HP at 1,200 rpm

N/A 343.00 hp

Rated HP at 1,800 rpm

N/A 514.00 hp



  • SC = Standard Length
  • SCHS = Short Length
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