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  • S flanges are made of high strength cast iron and are bored-to- size for a slip fit on standard shafts.
  • S flanges are easy to install, are readily available from stock in a wide range of popular bore sizes, and are supplied with two set screws at 90°.
  • The S Type coupling consists of two flanges and one sleeve.
Unit of Measure
Items
S-Flex S Type Flanges w/o Keyway - Imperial

S Type Flanges with Keyway - Inch (Imperial) Bores

S-Flex S Type Flanges w/o Keyway - Imperial

S Type Flanges with Keyway - Inch (Imperial) Bores

S-Flex S Type Flanges w/o Keyway - Imperial

S Type Flanges with Keyway - Inch (Imperial) Bores

S-Flex S Type Flanges w/o Keyway - Imperial

S Type Flanges with Keyway - Inch (Imperial) Bores

S-Flex S Type Flanges w/o Keyway - Imperial

S Type Flanges with Keyway - Inch (Imperial) Bores
Description  N/A 5S-FLNG-1"-1/4X1/8KW N/A 5S-FLNG-1-1/16-1/4X1/8KW N/A 5S-FLNG-1-1/4-1/4X1/16KW-SP KW N/A 5S-FLNG-1-1/8-1/4X1/8KW N/A 5S-FLNG-1-3/16-1/4X1/8KW
Bore Size  N/A 1 in N/A 1 1/16 in N/A 1 1/4 in N/A 1 1/8 in N/A 1 3/16 in
Coupling Size N/A 5S
Type N/A Coupling Flange
Material N/A Cast Iron
Thread (Dimension T) N/A 1/4-20
Keyway Size (W x D) N/A 1/4 x 1/8 in
Outside Diameter N/A 3.250 in82.55 mm
Color N/A Gray
Nominal Torque (with EPDM Sleeve) N/A 240 in·lb
Bore Type N/A Finished Bore
Max. Bore (Dimension ID) N/A 1.188 in
Max. Speed N/A 7600.00 rpm
Dimension FL N/A 0.590 in14.99 mm
Dimension HD N/A 1.880 in47.75 mm
Dimension L N/A 1.34 in34.04 mm
Dimension P N/A 0.450 in11.43 mm
Dimension SL N/A 0.290 in7.37 mm
Torsional Stiffness N/A 916.00 in·lb/rad
Rated HP at 100 rpm N/A 0.40 hp
Rated HP at 1,200 rpm N/A 4.60 hp
Rated HP at 1,800 rpm N/A 6.90 hp
Rated HP at 3,600 rpm N/A 13.70 hp
Coupling Type N/A S-Flex
Weight N/A 1.16 lb N/A 1.12 lb N/A 1.01 lb N/A 1.09 lb N/A 1.05 lb
Cubic inches N/A 14.15375 in³