The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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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 12SCH-SPCR HUB-2-1/8-1/2X1/4KW

Coupling Type

 N/A Coupling Hubs

Hub #

 N/A 12SCH

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 16.60 lb

Dimensional Data

Bore Size 

 N/A 2 1/8 in

Thread (Dimension T)

 N/A 5/8-11

Keyway Size (W x D)

 N/A 1/2 x 1/4 in

Outside Diameter

 N/A 5.750 in146.05 mm

Max. Bore

 N/A 2.875 in

Dimension L

 N/A 2.970 in75.44 mm

Dimension SL

 N/A 1.440 in36.58 mm

Cap Screw Required Size

 N/A 5/8 - 4

Cubic inches

 N/A 98.19563 in³

Performance Data

Nominal Torque (with EPDM Sleeve)

 N/A 7200 in·lb

Max. Speed

 N/A 2800.00 rpm

Torsional Stiffness

 N/A 27500.00 in·lb/rad

Rated HP at 100 rpm

 N/A 11.40 hp

Rated HP at 1,200 rpm

 N/A 137.00 hp

Rated HP at 1,800 rpm

 N/A 206.00 hp

Notes

Notes 

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