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All Categories > Couplings & Power Transmission Parts Catalog > Universal Joints > LOJ & JR-4 Types Universal Joints > Item # 68514417332  
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Item # 68514417332, JR-4 Type without Keyway - Inch (Imperial) Bore



JR-4 Types
  • Offset pin design ideal for use on hand operated, low torque drives
  • Capable for operating angles up to 45° of angular misalignment
  • Application examples: remote control linkages, snow blowers, packaging machinery, awning devices, etc.
  • The JR-4 is made of tough Zytel® material, so it will not rust and no lubrication needed
  • The JR-4 withstands oils, gasoline, salts, and temperatures from -40° to 225° F
  • The JR-4 is available in .38 inch bore only





Specifications  · Dimensional Data  · Performance Data  · Notes

Specifications

Description 

JR4B UJNT 3/8X3/8 N/KW N/SS

Type

Universal Joints - JR Type

Material

Zytel®

Weight

0.10 lb

Style

Bored

Color

Black

Bore Type

Finished Bore


Dimensional Data

Bore Size   

3/8 x 3/8 in

Coupling

JR-4

Nominal Size

0.375 in

Set Screw Size

No Setscrew

Keyway Size (W x D)

No Keyway

Outside Diameter

0.680 in

Overall Length

3.000 in

Pin Outside Diameter

1.180 in

Bore Depth (Dimension C)

0.620 in

Max. Bore (Dimensions ID1/ID2)

0.380 in

Main Pin Height (Dimension E)

1.690 in

Dimension F (Standard)

0.310 in
7.87
mm

Cubic inches

1.38720 in³


Performance Data

Operating Temperature Range

-40 to 225 ºF

Static Breaking Torque

160.00 in·lb

Max. Speed

1750.00 rpm

Breaking Strength

160.00 in-lb

Max. Angular Misalignment

45.00 º


Notes

Notes 

  • Static Breaking Torque is not a recommended operating torque.
  • Maximum operating angle 45° for hand-operated applications.


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