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  • Lovejoy offers flexible sleevse for S-Flex Endurance couplings 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 permits the S-Flex coupling to protect connected equipment from harmful shock loading, vibration, and shaft misalignment
E, N Sleeve Types
  • These sleeves feature a two-piece design with retaining ring. The E Type is molded in EPDM rubber and the N Type is molded in Neoprene. The two- piece design is ideal for applications where there is difficulty in separating the shafts of the driver and driven.
E & N Type Sleeves for S-Flex Couplings - Imperial
E & N Type Sleeves for S-Flex Couplings - Imperial-2
Unit of Measure
1 

Item #

Description 

Max. Bore

Coupling Size

Sleeve Type

Material

Dimension L

Nominal Torque

68514435368 N/A 5E SLEEVE N/A 1.188 in N/A 5E N/A E N/A EPDM N/A 1.560 in39.62 mm N/A 312 in·lb35.26 N·m
68514435600 N/A 6E EPDM TWO PIECE SLV W/RING N/A 1.438 in N/A 6E N/A E N/A EPDM N/A 1.880 in47.75 mm N/A 585 in·lb66.09 N·m
68514436414 N/A 7E SLEEVE N/A 1.625 in N/A 7E N/A E N/A EPDM N/A 2.190 in55.63 mm N/A 940 in·lb106.20 N·m
68514436419 N/A 8E SLEEVE N/A 1.938 in N/A 8E N/A E N/A EPDM N/A 2.500 in63.50 mm N/A 1475 in·lb166.66 N·m
68514436424 N/A 9E SLEEVE N/A 2.375 in N/A 9E N/A E N/A EPDM N/A 3.000 in76.20 mm N/A 2340 in·lb264.38 N·m
68514436429 N/A 10E SLEEVE N/A 2.750 in N/A 10E N/A E N/A EPDM N/A 3.440 in87.38 mm N/A 3735 in·lb422.00 N·m
68514436433 N/A 11E SLEEVE N/A 3.375 in N/A 11E N/A E N/A EPDM N/A 4.000 in101.60 mm N/A 5889 in·lb665.37 N·m
68514436437 N/A 12E SLEEVE N/A 3.875 in N/A 12E N/A E N/A EPDM N/A 4.690 in119.13 mm N/A 9360 in·lb1057.54 N·m
68514435464 N/A 13E EPDM 2PC ELEMENT W/RING N/A 4.500 in N/A 13E N/A E N/A EPDM N/A 5.500 in139.70 mm N/A 11350 in·lb1282.38 N·m
68514435467 N/A 14E EPDM 2 PIECE SLEEVE W/RING N/A 5.000 in N/A 14E N/A E N/A EPDM N/A 6.500 in165.10 mm N/A 18000 in·lb2033.73 N·m
68514435470 N/A 16E EPDM 2 PCS SLEEVE W/RINGS N/A 5.500 in N/A 16E N/A E N/A EPDM N/A 8.750 in222.25 mm N/A 47250 in·lb5338.54 N·m
68514435369 N/A 5N SLEEVE N/A 1.188 in N/A 5N N/A N N/A Neoprene N/A 1.560 in39.62 mm N/A 240 in·lb27.12 N·m
68514436411 N/A 6N SLEEVE N/A 1.438 in N/A 6N N/A N N/A Neoprene N/A 1.880 in47.75 mm N/A 450 in·lb50.84 N·m
68514436416 N/A 7N SLEEVE N/A 1.625 in N/A 7N N/A N N/A Neoprene N/A 2.190 in55.63 mm N/A 725 in·lb81.91 N·m
68514436421 N/A 8N SLEEVE N/A 1.938 in N/A 8N N/A N N/A Neoprene N/A 2.500 in63.50 mm N/A 1135 in·lb128.24 N·m
68514436426 N/A 9N SLEEVE N/A 2.375 in N/A 9N N/A N N/A Neoprene N/A 3.000 in76.20 mm N/A 1800 in·lb203.37 N·m
68514435453 N/A 10N SLEEVE N/A 2.750 in N/A 10N N/A N N/A Neoprene N/A 3.440 in87.38 mm N/A 2875 in·lb324.83 N·m
68514435457 N/A 11N SLEEVE N/A 3.375 in N/A 11N N/A N N/A Neoprene N/A 4.000 in101.60 mm N/A 4530 in·lb511.82 N·m
68514435461 N/A 12N SLEEVE N/A 3.875 in N/A 12N N/A N N/A Neoprene N/A 4.690 in119.13 mm N/A 7200 in·lb813.49 N·m
68514435465 N/A 13N NEOPRENE 2 PCS SLV W/RING N/A 4.500 in N/A 13N N/A N N/A Neoprene N/A 5.500 in139.70 mm N/A 11350 in·lb1282.38 N·m
68514435468 N/A 14N NEOPRENE 2 PCS SLV W/RING N/A 5.000 in N/A 14N N/A N N/A Neoprene N/A 6.500 in165.10 mm N/A 18000 in·lb2033.73 N·m
Unit of Measure
1