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

68514436720 N/A 8SCH-SPCR HUB-1-1/4-1/4X1/8KW N/A 1 1/4 in N/A 8SCH N/A 1/4 x 1/8 in N/A 3.250 in82.55 mm N/A 1.720 in43.69 mm N/A 0.660 in16.76 mm
68514436626 N/A 8SCH-SPCR HUB-1-1/8-1/4X1/8KW N/A 1 1/8 in N/A 8SCH N/A 1/4 x 1/8 in N/A 3.250 in82.55 mm N/A 1.720 in43.69 mm N/A 0.660 in16.76 mm
68514436719 N/A 8SCH-SPCR HUB-3/4-3/16X3/32KW N/A 3/4 in N/A 8SCH N/A 3/16 x 3/32 in N/A 3.250 in82.55 mm N/A 1.720 in43.69 mm N/A 0.660 in16.76 mm
68514436624 N/A 8SCH-SPCR HUB-7/8-3/16X3/32KW N/A 7/8 in N/A 8SCH N/A 3/16 x 3/32 in N/A 3.250 in82.55 mm N/A 1.720 in43.69 mm N/A 0.660 in16.76 mm
68514436628 N/A 8SCH-SPCR HUB-1-1/2-3/8X3/16KW N/A 1 1/2 in N/A 8SCH N/A 3/8 x 3/16 in N/A 3.250 in82.55 mm N/A 1.720 in43.69 mm N/A 0.660 in16.76 mm
68514436630 N/A 8SCH-SPCR HUB-1-3/4-3/8X3/16KW N/A 1 3/4 in N/A 8SCH N/A 3/8 x 3/16 in N/A 3.250 in82.55 mm N/A 1.720 in43.69 mm N/A 0.660 in16.76 mm
68514436629 N/A 8SCH-SPCR HUB-1-5/8-3/8X3/16KW N/A 1 5/8 in N/A 8SCH N/A 3/8 x 3/16 in N/A 3.250 in82.55 mm N/A 1.720 in43.69 mm N/A 0.660 in16.76 mm
68514436627 N/A 8SCH-SPCR HUB-1-3/8-5/16X5/32KW N/A 1 3/8 in N/A 8SCH N/A 5/16 x 5/32 in N/A 3.250 in82.55 mm N/A 1.720 in43.69 mm N/A 0.660 in16.76 mm
68514436646 N/A 9SCH-SPCR HUB-1-7/8-1/2X1/4KW N/A 1 7/8 in N/A 9SCH N/A 1/2 x 1/4 in N/A 3.630 in92.20 mm N/A 1.970 in50.04 mm N/A 1.170 in29.72 mm
68514436724 N/A 9SCH-SPCR HUB-2"-1/2X1/4KW N/A 2 in N/A 9SCH N/A 1/2 x 1/4 in N/A 3.630 in92.20 mm N/A 1.970 in50.04 mm N/A 1.170 in29.72 mm
68514436647 N/A 9SCH-SPCR HUB-2-1/8-1/2X1/4KW N/A 2 1/8 in N/A 9SCH N/A 1/2 x 1/4 in N/A 3.630 in92.20 mm N/A 1.970 in50.04 mm N/A 1.170 in29.72 mm
68514436640 N/A 9SCH-SPCR HUB-1"-1/4X1/8KW N/A 1 in N/A 9SCH N/A 1/4 x 1/8 in N/A 3.630 in92.20 mm N/A 1.970 in50.04 mm N/A 1.170 in29.72 mm
68514436723 N/A 9SCH-SPCR HUB-1-1/4-1/4X1/8KW N/A 1 1/4 in N/A 9SCH N/A 1/4 x 1/8 in N/A 3.630 in92.20 mm N/A 1.970 in50.04 mm N/A 1.170 in29.72 mm
68514436641 N/A 9SCH-SPCR HUB-1-1/8-1/4X1/8KW N/A 1 1/8 in N/A 9SCH N/A 1/4 x 1/8 in N/A 3.630 in92.20 mm N/A 1.970 in50.04 mm N/A 1.170 in29.72 mm
68514436722 N/A 9SCH-SPCR HUB-7/8-3/8X3/16KW N/A 7/8 in N/A 9SCH N/A 3/16 x 3/32 in N/A 3.630 in92.20 mm N/A 1.970 in50.04 mm N/A 1.170 in29.72 mm
68514436643 N/A 9SCH-SPCR HUB-1-1/2-3/8X3/16KW N/A 1 1/2 in N/A 9SCH N/A 3/8 x 3/16 in N/A 3.630 in92.20 mm N/A 1.970 in50.04 mm N/A 1.170 in29.72 mm
68514436645 N/A 9SCH-SPCR HUB-1-3/4-3/8X3/16KW N/A 1 3/4 in N/A 9SCH N/A 3/8 x 3/16 in N/A 3.630 in92.20 mm N/A 1.970 in50.04 mm N/A 1.170 in29.72 mm
68514436644 N/A 9SCH-SPCR HUB-1-5/8-3/8X3/16KW N/A 1 5/8 in N/A 9SCH N/A 3/8 x 3/16 in N/A 3.630 in92.20 mm N/A 1.970 in50.04 mm N/A 1.170 in29.72 mm
68514436642 N/A 9SCH-SPCR HUB-1-3/8-5/16X5/32KW N/A 1 3/8 in N/A 9SCH N/A 5/16 x 5/32 in N/A 3.630 in92.20 mm N/A 1.970 in50.04 mm N/A 1.170 in29.72 mm
68514476166 N/A 9SCH-SPCR HUB-1-1/8-1/4X1/8KW-BLK-OX N/A 1 1/8 in N/A 9SCH N/A 1/4 x 1/8 in N/A 3.630 in92.20 mm N/A 1.970 in50.04 mm N/A 1.170 in29.72 mm
68514436657 N/A 10SCH-SPCR HUB-1-7/8-1/2X1/4KW N/A 1 7/8 in N/A 10SCH N/A 1/2 x 1/4 in N/A 4.380 in111.25 mm N/A 2.340 in59.44 mm N/A 1.170 in29.72 mm
68514436731 N/A 10SCH-SPCR HUB-2"-1/2X1/4KW N/A 2 in N/A 10SCH N/A 1/2 x 1/4 in N/A 4.380 in111.25 mm N/A 2.340 in59.44 mm N/A 1.170 in29.72 mm
68514436732 N/A 10SCH-SPCR HUB-2-1/4-1/2X1/4KW N/A 2 1/4 in N/A 10SCH N/A 1/2 x 1/4 in N/A 4.380 in111.25 mm N/A 2.340 in59.44 mm N/A 1.170 in29.72 mm
68514436658 N/A 10SCH-SPCR HUB-2-1/8-1/2X1/4KW N/A 2 1/8 in N/A 10SCH N/A 1/2 x 1/4 in N/A 4.380 in111.25 mm N/A 2.340 in59.44 mm N/A 1.170 in29.72 mm
68514436728 N/A 10SCH-SPCR HUB-1-1/8-1/4X1/8KW N/A 1 1/8 in N/A 10SCH N/A 1/4 x 1/8 in N/A 4.380 in111.25 mm N/A 2.340 in59.44 mm N/A 1.170 in29.72 mm
Unit of Measure
1 2 3