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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

Specifications

Description 

N/A 7SCH SPCR HUB 1-1/4 1/4KW

Coupling Type

N/A Coupling Hubs

Hub #

N/A 7SCH

Material

N/A Cast Iron

Color

N/A Gray

Bore Type

N/A Finished Bore

# of Cap Screws Required

N/A 4

Coupling Type

N/A S-Flex

Weight

N/A 2.25 lb

Dimensional Data

Bore Size 

N/A 1 1/4 in

Thread (Dimension T)

N/A 5/16-18

Keyway Size (W x D)

N/A 1/4 x 1/8 in

Outside Diameter

N/A 2.810 in71.37 mm

Max. Bore

N/A 1.625 in

Dimension L

N/A 1.470 in37.34 mm

Dimension SL

N/A 0.710 in18.03 mm

Cap Screw Required Size

N/A 1/4 - 1-7/8

Cubic inches

N/A 11.60727 in³

Performance Data

Nominal Torque (with EPDM Sleeve)

N/A 725 in·lb

Max. Speed

N/A 5250.00 rpm

Torsional Stiffness

N/A 2769.00 in·lb/rad

Rated HP at 100 rpm

N/A 1.20 hp

Rated HP at 1,200 rpm

N/A 14.00 hp

Rated HP at 1,800 rpm

N/A 21.00 hp

Rated HP at 3,600 rpm

N/A 41.00 hp

Notes

Notes 

N/A
  • SC = Standard Length
  • SCHS = Short Length
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