The Timken Company - SC Type Spacer Flanges

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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

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Unit of Measure

Items	68514436524 SC Type Spacer Flanges	68514436526 SC Type Spacer Flanges	68514436528 SC Type Spacer Flanges	68514436530 SC Type Spacer Flanges	68514436532 SC Type Spacer Flanges
Description	N/A 5SC35-SPCR FLNG	N/A 6SC35-SPCR FLNG	N/A 6SC44-SPCR FLNG	N/A 6SC50-SPCR FLNG	N/A 7SC35-SPCR FLNG
Keyway Size (W x D)	N/A No Keyway
Flange #	N/A 5SC35	N/A 6SC35	N/A 6SC44	N/A 6SC50	N/A 7SC35
SC Hub #	N/A 5SCH	N/A 6SCH	N/A 6SCH	N/A 6SCH	N/A 7SCH
Type	N/A Coupling Flange
Material	N/A Cast Iron
Outside Diameter	N/A 3.250 in82.55 mm	N/A 4.000 in101.60 mm	N/A 4.000 in101.60 mm	N/A 4.000 in101.60 mm	N/A 4.625 in117.48 mm
Color	N/A Gray
Nominal Torque (with EPDM Sleeve)	N/A 240 in·lb	N/A 450 in·lb	N/A 450 in·lb	N/A 450 in·lb	N/A 725 in·lb
Bore Type	N/A Spacer Flange/No Bore
Max. Speed	N/A 7600.00 rpm	N/A 6000 rpm	N/A 6000 rpm	N/A 6000 rpm	N/A 5250.00 rpm
Dimension FL	N/A 0.590 in14.99 mm	N/A 0.720 in18.29 mm	N/A 0.720 in18.29 mm	N/A 0.720 in18.29 mm	N/A 0.780 in19.81 mm
Dimension HD	N/A 0.800 in20.32 mm	N/A 0.590 in14.99 mm	N/A 1.030 in26.16 mm	N/A 1.340 in34.04 mm	N/A 0.470 in11.94 mm
Dimension L	N/A 1.690 in42.93 mm	N/A 1.630 in41.40 mm	N/A 2.060 in52.32 mm	N/A 2.380 in60.45 mm	N/A 1.630 in41.40 mm
Dimension P	N/A 0.800 in20.32 mm	N/A 0.590 in14.99 mm	N/A 1.030 in26.16 mm	N/A 1.340 in34.04 mm	N/A 0.470 in11.94 mm
For Required Shaft Separation	N/A 3.5 in	N/A 3.5 in	N/A 4.375 in	N/A 5 in	N/A 3.5 in
Torsional Stiffness	N/A 916.00 in·lb/rad	N/A 1718.00 in·lb/rad	N/A 1718.00 in·lb/rad	N/A 1718.00 in·lb/rad	N/A 2769.00 in·lb/rad
Rated HP at 100 rpm	N/A 0.40 hp	N/A 0.70 hp	N/A 0.70 hp	N/A 0.70 hp	N/A 1.20 hp
Rated HP at 1,200 rpm	N/A 4.60 hp	N/A 8.60 hp	N/A 8.60 hp	N/A 8.60 hp	N/A 14.00 hp
Rated HP at 1,800 rpm	N/A 6.90 hp	N/A 12.90 hp	N/A 12.90 hp	N/A 12.90 hp	N/A 21.00 hp
Rated HP at 3,600 rpm	N/A 13.70 hp	N/A 25.70 hp	N/A 25.70 hp	N/A 25.70 hp	N/A 41.00 hp
Coupling Type	N/A S-Flex
Weight	N/A 1.20 lb	N/A 2.09 lb	N/A 2.48 lb	N/A 2.76 lb	N/A 2.52 lb
Cubic inches	N/A 17.85063 in³	N/A 26.08000 in³	N/A 32.96000 in³	N/A 38.08000 in³	N/A 34.86672 in³