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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 

9SCH-SPCR HUB-2"-1/2X1/4KW

Coupling Type

Coupling Hubs

Hub #

9SCH

Material

Cast Iron

Color

Gray

Bore Type

Finished Bore

# of Cap Screws Required

4

Coupling Type

S-Flex

Weight

3.97 lb

Dimensional Data

Bore Size 

2 in

Thread (Dimension T)

3/8-16

Keyway Size (W x D)

1/2 x 1/4 in

Outside Diameter

3.630 in92.20 mm

Max. Bore

2.125 in

Dimension L

1.970 in50.04 mm

Dimension SL

1.170 in29.72 mm

Cap Screw Required Size

3/8 - 2-3/4

Cubic inches

25.95849 in³

Performance Data

Nominal Torque (with EPDM Sleeve)

1800 in·lb

Max. Speed

3750.00 rpm

Torsional Stiffness

6875.00 in·lb/rad

Rated HP at 100 rpm

2.90 hp

Rated HP at 1,200 rpm

34.00 hp

Rated HP at 1,800 rpm

51.00 hp

Rated HP at 3,600 rpm

103.00 hp

Notes

Notes 

  • SC = Standard Length
  • SCHS = Short Length