The Timken Company - JE, JN, JES & JNS Type Elastomer Sleeves

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Lovejoy offers flexible sleeves 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

JE, JN, JES, JNS Sleeve Types

These sleeves feature a one-piece design molded in EPDM & Neoprene rubber. In the case of JES & JNS Types, the one-piece design is split to provide for ease of installation and removal.

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Unit of Measure

Items	68514436384 JE, JN, JES & JNS Type Elastomer Sleeves	68514435359 JE, JN, JES & JNS Type Elastomer Sleeves	68514435350 JE, JN, JES & JNS Type Elastomer Sleeves	68514435569 JE, JN, JES & JNS Type Elastomer Sleeves	68514435570 JE, JN, JES & JNS Type Elastomer Sleeves
Description	N/A 3JE-SLEEVE	N/A 4JE-SLEEVE	N/A 5JE-SLEEVE	N/A 6JE-SLEEVE	N/A 7JE-SLEEVE
Min. Bore	N/A 0.375 in	N/A 0.500 in	N/A 0.500 in	N/A 0.625 in	N/A 0.625 in
Max. Bore	N/A 0.875 in	N/A 1.000 in	N/A 1.188 in	N/A 1.438 in	N/A 1.625 in
Coupling Size	N/A 3JE	N/A 4JE	N/A 5JE	N/A 6JE	N/A 7JE
Sleeve Type	N/A JE
Type	N/A Sleeves for S-Flex Endurance Couplings
Length (Dimension G)	N/A 0.440 in11.18 mm	N/A 0.630 in16.00 mm	N/A 0.750 in19.05 mm	N/A 0.880 in22.35 mm	N/A 1.000 in25.40 mm
Outside Diameter	N/A 1.880 in47.75 mm	N/A 2.310 in58.67 mm	N/A 2.940 in74.68 mm	N/A 3.75 in95.25 mm	N/A 4.340 in110.24 mm
Material	N/A EPDM
Color	N/A Black
Connection Type A x B	N/A Coupling Sleeve
Dimension L	N/A 1.000 in25.40 mm	N/A 1.250 in31.75 mm	N/A 1.560 in39.62 mm	N/A 1.880 in47.75 mm	N/A 2.190 in55.63 mm
Weight	N/A 0.08 lb	N/A 0.13 lb	N/A 0.30 lb	N/A 0.36 lb	N/A 0.75 lb
Temperature	N/A -30 to 275 ºF-34 to 135 ºC
Max. Speed	N/A 9200.00 rpm	N/A 7600.00 rpm	N/A 7600.00 rpm	N/A 6000 rpm	N/A 5250.00 rpm
Angular Misalignment	N/A 1 º
Max. Parallel Misalignment	N/A 0.062 in
Max. Torsional Wind-Up Angle	N/A 15.00 º
Cubic inches	N/A 1.55514 in³	N/A 3.36174 in³	N/A 6.48270 in³	N/A 12.37500 in³	N/A 18.83560 in³
Nominal Torque	N/A 78 in·lb8.81 N·m	N/A 156 in·lb17.63 N·m	N/A 312 in·lb35.26 N·m	N/A 585 in·lb66.09 N·m	N/A 940 in·lb106.20 N·m
Axial Misalignment	N/A 0.1250 in