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  • 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.
Unit of Measure

Notes

Disclaimer

 N/A Lovejoy: CAD Models are accurate envelope dimensions only. Features such as bore size and keyway are not rendered or are only representative. Contact Lovejoy Technical Support or refer to product catalogs for details.

Notes 

 N/A
  • Spacing between shafts should be greater than 1/8 inch and less than OAL minus the sum of the two bore dimensions.

Specifications

Description 

 N/A 3J-FLNG-3/8-NKW

Coupling Size

 N/A 3J

Type

 N/A Coupling Flange

Material

 N/A Zinc Die Cast

Color

 N/A Gray

Bore Type

 N/A Finished Bore

Coupling Type

 N/A S-Flex

Weight

 N/A 0.30 lb

Dimensional Data

Bore Size 

 N/A 3/8 in

Thread (Dimension T)

 N/A 1/4-20

Keyway Size (W x D)

 N/A No Keyway

Outside Diameter

 N/A 2.062 in52.37 mm

Max. Bore

 N/A 0.875 in

Dimension FL

 N/A 0.380 in9.65 mm

Dimension HD

 N/A 1.500 in38.10 mm

Dimension L

 N/A 0.810 in20.57 mm

Dimension P

 N/A 0.440 in11.18 mm

Dimension SL

 N/A 0.250 in6.35 mm

Cubic inches

 N/A 3.44399 in³

Performance Data

Nominal Torque (with EPDM Sleeve)

 N/A 60 in·lb

Max. Speed

 N/A 9200.00 rpm

Torsional Stiffness

 N/A 229.00 in·lb/rad

Rated HP at 100 rpm

 N/A 0.10 hp

Rated HP at 1,200 rpm

 N/A 1.10 hp

Rated HP at 1,800 rpm

 N/A 1.70 hp

Rated HP at 3,600 rpm

 N/A 3.40 hp
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