Menu
Smarter Bearing Selection Is Here

The Timken® Syber® Bearing System Designer Tool now features Smart Selection, enabling users to find the right bearing faster by filtering options based on target life and key dimensions.

Learn More
Analyze Bearing Performance in an Application with Timken® Syber® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

Learn More
Batch CAD Cart (0) ▾
  • Cart is empty
  1. Click Here for Batch Download
Request Information
  • 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 11SCH-SPCR HUB-1-1/8-NKW

Coupling Type

 N/A Coupling Hubs

Hub #

 N/A 11SCH

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 15.90 lb

Dimensional Data

Bore Size 

 N/A 1 1/8 in

Thread (Dimension T)

 N/A 1/2-13

Keyway Size (W x D)

 N/A No Keyway

Outside Diameter

 N/A 5.250 in133.35 mm

Max. Bore

 N/A 2.875 in

Dimension L

 N/A 2.720 in69.09 mm

Dimension SL

 N/A 1.360 in34.54 mm

Cap Screw Required Size

 N/A 1/2 - 3-1/2

Cubic inches

 N/A 74.97000 in³

Performance Data

Nominal Torque (with EPDM Sleeve)

 N/A 4530 in·lb

Max. Speed

 N/A 3600.00 rpm

Torsional Stiffness

 N/A 17300.00 in·lb/rad

Rated HP at 100 rpm

 N/A 7.20 hp

Rated HP at 1,200 rpm

 N/A 86.00 hp

Rated HP at 1,800 rpm

 N/A 129.00 hp

Rated HP at 3,600 rpm

 N/A 259.00 hp

Notes

Notes 

 N/A
  • SC = Standard Length
  • SCHS = Short Length
By clicking Submit, you consent to the personal information you provide being used in the manner as described in our Privacy Notice, including access to that information by Timken personnel who may be located outside your home country. In addition, you agree that the CAD drawings are for your personal, one-time use only, and that you will not modify or create any compilation or derivative work using the CAD drawings or distribute or display the CAD drawings on any website or other media.