All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > S-Flex Endurance® Couplings > SC Type Spacer Coupling Hubs with Keyway, Standard Length - Inch (Imperial) Bores > Part Number 68514436673  

Part Number 68514436673, SC Type Spacer Coupling Hubs with Keyway, Standard Length - Inch (Imperial) Bores

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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





Specifications  · Dimensional Data  · Performance Data  · Notes

Specifications

Description 
12SCH-SPCR HUB-2-3/8-1/2X1/4KW

Coupling Type
Coupling Hubs

Hub #
12SCH

Material
Cast Iron

Color
Gray

Bore Type
Finished Bore

# of Cap Screws Required
4

Coupling Type
S-Flex

Weight
16.60 lb


Dimensional Data

Bore Size 
2 3/8 in

Thread (Dimension T)
5/8-11

Keyway Size (W x D)
5/8 x 5/16 in

Outside Diameter
5.750 in
146.05 mm

Max. Bore
2.875 in

Dimension L
2.970 in
75.44 mm

Dimension SL
1.440 in
36.58 mm

Cap Screw Required Size
5/8 - 4

Cubic inches
98.19563 in³


Performance Data

Nominal Torque (with EPDM Sleeve)
7200 in·lb

Max. Speed
2800.00 rpm

Torsional Stiffness
27500.00 in·lb/rad

Rated HP at 100 rpm
11.40 hp

Rated HP at 1,200 rpm
137.00 hp

Rated HP at 1,800 rpm
206.00 hp


Notes

Notes 
  • SC = Standard Length
  • SCHS = Short Length


 MORE IMAGES 

·  S-Flex Coupling Misalignment


 DOWNLOADS 

S-Flex Endurance Catalog

S-Flex Endurance Half and Full Spacer Installation Instructions
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S-Flex Endurance Full Spacer Installation Video

S-Flex Endurance Half Spacer Coupling Installation Video