All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > S-Flex Endurance® Couplings > JE, JN, JES & JNS Type Elastomer Sleeves > Part Number 68514436869  

Part Number 68514436869, 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.





Specifications  · Dimensional Data  · Performance Data  · Features

Specifications

Description 
4JNS-SLEEVE

Coupling Size
4JNS

Sleeve Type
JNS

Type
Sleeves for S-Flex Endurance Couplings

Material
Neoprene

Color
Black w/ Green Dot

Connection Type A x B
Coupling Sleeve

Weight
0.15 lb

Nominal Torque
120 in·lb
13.56 N·m


Dimensional Data

Min. Bore
0.500 in

Max. Bore
1.000 in

Length (Dimension G)
0.630 in
16.00 mm

Outside Diameter
2.310 in
58.67 mm

Dimension L
1.250 in
31.75 mm

Cubic inches
3.36174 in³


Performance Data

Temperature
0 to 200 ºF
-18 to 93 ºC

Max. Speed
7600.00 rpm

Angular Misalignment
1 º

Max. Parallel Misalignment
0.062 in

Max. Torsional Wind-Up Angle
15.00 º

Axial Misalignment
0.1250 in


Features

Features 
    Neoprene provides very good performance characteristics for most applications and offers a very good resistance to chemical and oil conditions. Color is black with a green dot.


 MORE IMAGES 

·  S-Flex Coupling Misalignment

·  Dimensional Drawing - S-Flex S Type Coupling


 DOWNLOADS 

S-Flex Endurance Catalog

S-Flex Endurance Installation Instructions
(PDF, 0KB)

S-Flex Endurance Installation Video