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All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > S-Flex Endurance® Couplings > E & N Type Elastomer Sleeves > Part Number 68514436421  
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Part Number 68514436421, E & N Type Elastomer Sleeves



  • 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.




Unit of Measure: Imperial Metric Both

Specifications  · Dimensional Data  · Performance Data  · Features  · Notes

Specifications

Description 

8N-SLEEVE

Coupling Size

8N

Sleeve Type

N

Type

Sleeves for S-Flex Endurance Couplings

Material

Neoprene

Color

Black w/ Green Dot

Connection Type A x B

Coupling Sleeve

Weight

1.39 lb

Nominal Torque

1135 in·lb
128.24
N·m


Dimensional Data

Min. Bore

0.750 in

Max. Bore

1.938 in

Length (Dimension G)

1.130 in
28.70
mm

Outside Diameter

5.060 in
128.52
mm

Dimension L

2.500 in
63.50
mm

Cubic inches

28.93207 in³


Performance Data

Temperature

0 to 200 ºF
-18 to 93
ºC

Max. Speed

4500 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.


Notes

Notes 

  • Two piece sleeves are ideal for applications where small shaft separations inhibit the installation of a one piece sleeve.


 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


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