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
SC Type Spacer Coupling Hubs w/o Keyway, Short Length - Imperial
SC Type Spacer Coupling Hubs w/o Keyway, Short Length - Imperial-2
Unit of Measure
1 2 3 

Part Number

Description 

Bore Size 

Hub #

Keyway Size (W x D)

Outside Diameter

Dimension L

Dimension SL

68514436730 N/A 10SCH-SPCR HUB-1-3/4-3/8X3/16KW N/A 1 3/4 in N/A 10SCH N/A 3/8 x 3/16 in N/A 4.380 in111.25 mm N/A 2.340 in59.44 mm N/A 1.170 in29.72 mm
68514436656 N/A 10SCH-SPCR HUB-1-5/8-3/8X3/16KW N/A 1 5/8 in N/A 10SCH N/A 3/8 x 3/16 in N/A 4.380 in111.25 mm N/A 2.340 in59.44 mm N/A 1.170 in29.72 mm
68514436659 N/A 10SCH-SPCR HUB-2-3/8-5/8X5/16KW N/A 2 3/8 in N/A 10SCH N/A 5/8 x 5/16 in N/A 4.380 in111.25 mm N/A 2.340 in59.44 mm N/A 1.170 in29.72 mm
68514436664 N/A 11SCH-SPCR HUB-1-7/8-1/2X1/4KW N/A 1 7/8 in N/A 11SCH N/A 1/2 x 1/4 in N/A 5.250 in133.35 mm N/A 2.720 in69.09 mm N/A 1.360 in34.54 mm
68514436739 N/A 11SCH-SPCR HUB-2"-1/2X1/4KW N/A 2 in N/A 11SCH N/A 1/2 x 1/4 in N/A 5.250 in133.35 mm N/A 2.720 in69.09 mm N/A 1.360 in34.54 mm
68514436740 N/A 11SCH-SPCR HUB-2-1/4-1/2X1/4KW N/A 2 1/4 in N/A 11SCH N/A 1/2 x 1/4 in N/A 5.250 in133.35 mm N/A 2.720 in69.09 mm N/A 1.360 in34.54 mm
68514436665 N/A 11SCH-SPCR HUB-2-1/8-1/2X1/4KW N/A 2 1/8 in N/A 11SCH N/A 1/2 x 1/4 in N/A 5.250 in133.35 mm N/A 2.720 in69.09 mm N/A 1.360 in34.54 mm
68514436738 N/A 11SCH-SPCR HUB-1-1/8-1/4X1/8KW N/A 1 1/8 in N/A 11SCH N/A 1/4 x 1/8 in N/A 5.250 in133.35 mm N/A 2.720 in69.09 mm N/A 1.360 in34.54 mm
68514436667 N/A 11SCH-SPCR HUB-2-7/8-3/4X3/8KW N/A 2 7/8 in N/A 11SCH N/A 3/4 x 3/8 in N/A 5.250 in133.35 mm N/A 2.720 in69.09 mm N/A 1.360 in34.54 mm
68514436666 N/A 11SCH-SPCR HUB-2-3/8-5/8X5/16KW N/A 2 3/8 in N/A 11SCH N/A 5/8 x 5/16 in N/A 5.250 in133.35 mm N/A 2.720 in69.09 mm N/A 1.360 in34.54 mm
68514436745 N/A 12SCH-SPCR HUB-1-7/8-1/2X1/4KW N/A 1 7/8 in N/A 12SCH N/A 1/2 x 1/4 in N/A 5.750 in146.05 mm N/A 2.970 in75.44 mm N/A 1.440 in36.58 mm
68514436746 N/A 12SCH-SPCR HUB-2-1/4-1/2X1/4KW N/A 2 1/4 in N/A 12SCH N/A 1/2 x 1/4 in N/A 5.750 in146.05 mm N/A 2.970 in75.44 mm N/A 1.440 in36.58 mm
68514436672 N/A 12SCH-SPCR HUB-2-1/8-1/2X1/4KW N/A 2 1/8 in N/A 12SCH N/A 1/2 x 1/4 in N/A 5.750 in146.05 mm N/A 2.970 in75.44 mm N/A 1.440 in36.58 mm
68514436674 N/A 12SCH-SPCR HUB-2-7/8-3/4X3/8KW N/A 2 7/8 in N/A 12SCH N/A 3/4 x 3/8 in N/A 5.750 in146.05 mm N/A 2.970 in75.44 mm N/A 1.440 in36.58 mm
68514436673 N/A 12SCH-SPCR HUB-2-3/8-1/2X1/4KW N/A 2 3/8 in N/A 12SCH N/A 5/8 x 5/16 in N/A 5.750 in146.05 mm N/A 2.970 in75.44 mm N/A 1.440 in36.58 mm
68514436753 N/A 13SCH-SPCR HUB-2-7/8-3/4X3/8KW N/A 2 7/8 in N/A 13SCH N/A 3/4 x 3/8 in N/A 6.130 in155.70 mm N/A 3.340 in84.84 mm N/A 1.650 in41.91 mm
68514436752 N/A 13SCH-SPCR HUB-2-3/8-5/8X5/16KW N/A 2 3/8 in N/A 13SCH N/A 5/8 x 5/16 in N/A 6.130 in155.70 mm N/A 3.340 in84.84 mm N/A 1.650 in41.91 mm
68514436754 N/A 13SCH-SPCR HUB-2-2/8-7/8X7/16KW N/A 3 3/8 in N/A 13SCH N/A 7/8 x 7/16 in N/A 6.130 in155.70 mm N/A 3.340 in84.84 mm N/A 1.650 in41.91 mm
68514436762 N/A 14SCH-SPCR HUB-3-7/8-1/2X1/4KW N/A 3 7/8 in N/A 14SCH N/A 1 x 1/2 in N/A 6.5 in165.10 mm N/A 3.380 in85.85 mm N/A 1.920 in48.77 mm
68514436760 N/A 14SCH-SPCR HUB-2-7/8-3/4X3/8KW N/A 2 7/8 in N/A 14SCH N/A 3/4 x 3/8 in N/A 6.5 in165.10 mm N/A 3.380 in85.85 mm N/A 1.920 in48.77 mm
68514436759 N/A 14SCH-SPCR HUB-2-3/8-5/8X5/16KW N/A 2 3/8 in N/A 14SCH N/A 5/8 x 5/16 in N/A 6.5 in165.10 mm N/A 3.380 in85.85 mm N/A 1.920 in48.77 mm
68514436761 N/A 14SCH-SPCR HUB-3-3/8-3/4X3/8KW N/A 3 3/8 in N/A 14SCH N/A 7/8 x 7/16 in N/A 6.5 in165.10 mm N/A 3.380 in85.85 mm N/A 1.920 in48.77 mm
Unit of Measure
1 2 3