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S-Flex Couplings

    The simple design of the S-Flex coupling ensures ease of assembly and reliable performance. The standard S-Flex coupling is comprised of three parts: two flanges with internal teeth engaging an elastomeric flexible sleeve with external teeth.

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JE, JN, JES & JNS Type Sleeves for S-Flex Couplings - Imperial

JE, JN, JES & JNS Type Elastomer Sleeves

(28)
  • Lovejoy offers flexible sleeve for S-Flex coupling in three designs: one-piece solid, one-piece split, and two-piece with retaining ring
  • The one-piece split design provides solutions for applications with unique requirements where small shaft separations inhibit the installation of a one-piece solid sleeve
  • Pre-molded teeth along the diameter of the sleeve engage with teeth of the coupling flanges
  • No clamps or screws are needed to connect the flanges with the flexible sleeve which securely lock together under torque for smooth transmission of power
  • Torque is transmitted through shear loading of the sleeve
  • All three sleeve materials are highly elastic which ...

    Search  JE, JN, JES & JNS Type Elastomer Sleeves - 28 Items

E & N Type Sleeves for S-Flex Couplings - Imperial

E & N Type Elastomer Sleeves

(21)
  • Lovejoy offers flexible sleeve for S-Flex coupling in three designs: one-piece solid, one-piece split, and two-piece with retaining ring
  • The one-piece split design provides solutions for applications with unique requirements where small shaft separations inhibit the installation of a one-piece solid sleeve
  • Pre-molded teeth along the diameter of the sleeve engage with teeth of the coupling flanges
  • No clamps or screws are needed to connect the flanges with the flexible sleeve which securely lock together under torque for smooth transmission of power
  • Torque is transmitted through shear loading of the sleeve
  • All three sleeve materials are highly elastic which ...
H & HS Type Sleeves for S-Flex Couplings - Imperial

H & HS Type Elastomer Sleeves

(16)
  • Lovejoy offers flexible sleeve for S-Flex coupling in three designs: one-piece solid, one-piece split, and two-piece with retaining ring
  • The one-piece split design provides solutions for applications with unique requirements where small shaft separations inhibit the installation of a one-piece solid sleeve
  • Pre-molded teeth along the diameter of the sleeve engage with teeth of the coupling flanges
  • No clamps or screws are needed to connect the flanges with the flexible sleeve which securely lock together under torque for smooth transmission of power
  • Torque is transmitted through shear loading of the sleeve
  • All three sleeve materials are highly elastic which ...
S-Flex S Type Flanges w/o Keyway - Imperial

S Type Flanges with Keyway - Inch (Imperial) Bores

(152)
  • 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.

Search  S Type Flanges with Keyway - Inch (Imperial) Bores - 152 Items

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

S Type Flanges with Keyway - Metric Bores

(65)
  • 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.

Search  S Type Flanges with Keyway - Metric Bores - 65 Items

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

S Type Flanges without Keyway - Inch (Imperial) Bores

(8)
  • 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.
S-Flex S Type Flanges w/o Keyway - Imperial

S Type Flanges without Keyway - Metric Bores

(4)
  • 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.
S-Flex S Type Flanges w/o Keyway - Imperial

S Type Flanges - Rough Stock Bore

(11)
  • 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.
S-Flex J Type Flanges w/o Keyway - Imperial

J Type Flanges with Keyway - Inch (Imperial) Bores

(29)
  • The J Type flanges in sizes 3J and 4J are made from die cast of high strength zinc alloy (tensile strength of 41,000 psi) and are furnished bore-to-size.
  • Size 5J is provided in either zinc alloy or cast iron depending on the bore size.
  • Size 6J is made from cast iron.
  • J flanges are compatible with EPDM or Neoprene sleeves.
  • Each flange has a keyway and two set screws (one set screw over the key and one at 90° to the keyway).
  • The J Type coupling consists of two flanges and one sleeve.

Search  J Type Flanges with Keyway - Inch (Imperial) Bores - 29 Items

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

J Type Flanges with Keyway - Metric Bores

(12)
  • The J Type flanges in sizes 3J and 4J are made from die cast of high strength zinc alloy (tensile strength of 41,000 psi) and are furnished bore-to-size.
  • Size 5J is provided in either zinc alloy or cast iron depending on the bore size.
  • Size 6J is made from cast iron.
  • J flanges are compatible with EPDM or Neoprene sleeves.
  • Each flange has a keyway and two set screws (one set screw over the key and one at 90° to the keyway).
  • The J Type coupling consists of two flanges and one sleeve.
S-Flex J Type Flanges w/o Keyway - Imperial

J Type Flanges without Keyway - Inch (Imperial) Bores

(5)
  • The J Type flanges in sizes 3J and 4J are made from die cast of high strength zinc alloy (tensile strength of 41,000 psi) and are furnished bore-to-size.
  • Size 5J is provided in either zinc alloy or cast iron depending on the bore size.
  • Size 6J is made from cast iron.
  • J flanges are compatible with EPDM or Neoprene sleeves.
  • Each flange has a keyway and two set screws (one set screw over the key and one at 90° to the keyway).
  • The J Type coupling consists of two flanges and one sleeve.
S-Flex J Type Flanges w/o Keyway - Imperial

J Type Flanges without Keyway - Metric Bores

(2)
  • The J Type flanges in sizes 3J and 4J are made from die cast of high strength zinc alloy (tensile strength of 41,000 psi) and are furnished bore-to-size.
  • Size 5J is provided in either zinc alloy or cast iron depending on the bore size.
  • Size 6J is made from cast iron.
  • J flanges are compatible with EPDM or Neoprene sleeves.
  • Each flange has a keyway and two set screws (one set screw over the key and one at 90° to the keyway).
  • The J Type coupling consists of two flanges and one sleeve.
S-Flex J Type Flanges w/o Keyway - Imperial

J Type Flanges - Rough Stock Bore

(2)
  • The J Type flanges in sizes 3J and 4J are made from die cast of high strength zinc alloy (tensile strength of 41,000 psi) and are furnished bore-to-size.
  • Size 5J is provided in either zinc alloy or cast iron depending on the bore size.
  • Size 6J is made from cast iron.
  • J flanges are compatible with EPDM or Neoprene sleeves.
  • Each flange has a keyway and two set screws (one set screw over the key and one at 90° to the keyway).
  • The J Type coupling consists of two flanges and one sleeve.
SC Type Spacer Coupling Hubs w/o Keyway, Short Length - Imperial

SC Type Spacer Coupling Hubs with Keyway, Standard Length - Inch (Imperial) Bores

(72)
  • 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
SC Type Spacer Coupling Hubs w/o Keyway, Short Length - Imperial

SC Type Spacer Coupling Hubs with Keyway, Standard Length - Metric Bores

(2)
  • 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 ...
SC Type Spacer Coupling Hubs w/o Keyway, Short Length - Imperial

SC Type Spacer Coupling Hubs without Keyway, Standard Length - Inch (Imperial) Bores

(8)
  • 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 ...
SC Type Spacer Coupling Hubs w/o Keyway, Short Length - Imperial

SC Type Spacer Coupling Hubs with Rough Stock Bore, Standard Length

(2)
  • 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 ...
SC Type Spacer Coupling Hubs w/o Keyway, Short Length - Imperial

SC Type Spacer Coupling Hubs with Keyway, Short Length - Inch (Imperial) Bores

(20)
  • 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 ...
SC Type Spacer Coupling Hubs w/o Keyway, Short Length - Imperial

SC Type Spacer Coupling Hubs without Keyway, Short Length - Inch (Imperial) Bores

(4)
  • 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 ...
SC Type Spacer Coupling Hubs w/o Keyway, Short Length - Imperial

SC Type Spacer Coupling Hubs with Rough Stock Bore, Short Length


  • 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 ...
SC Type Spacer Flanges - Imperial

SC Type Spacer Flanges

(24)
  • 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 ...
Image

B Type Flanges for use with Bushings

(10)
  • Model B (bushed) flanges are made of the same high-strength cast iron as the S flanges
  • B flanges are designed to accommodate the industry standard bushing for easy installation and removal
  • B flanges are available in sizes 6 through 16
Image

TF (Front Mount) Type Flanges for use with Taper-Lock® Bushings

(19)
  • Model TF flanges are made from the same high-strength cast iron as the S flanges, but are designed to accommodate the international standard Taper Lock bushing for easy installation and removal
  • TF Type flanges allow for mounting the bushing on the front (hub) side of the flange
  • TF flanges are available in sizes 6 through 16 and can be used with JE, JN, JES, JNS, E, N, H, and HS sleeve types.
Image

TR (Rear Mount) Type Flanges for use with Taper-Lock® Bushings

(18)
  • TR flanges are similar to the TF style, but allow for the Taper Lock Bushing to be mounted and removed from the reverse or serration side of the flange
  • The limited torque ratings of the Taper Lock Bushings allow TR flanges to only be used with EPDM or Neoprene sleeves
  • Different bushing sizes are used, so they have different maximum bores than the TF flanges
  • Sizes 6 through 16 are available