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Double Joint Arrangement
  • Designed with two Lovejoy D Type universal joints and a center connecting shaft
  • DD and DDX Type universal joints are tailored to your specific application requirements
  • This configuration compensates for both parallel misalignment and shaft separation
  • Round, hex, splined, or keyway bores are supplied per your requirements
  • Boot retaining grooves are standard. (Boots are available for purchase separately.)
  • Lubrication is required for optimal wear – boots and lubricant extend universal joint life
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.

Specifications

Description 

 N/A DD6B UJNT M8THRD BE*OD 6.85OAL

Type

 N/A Universal Joints - DD Type

Bore Type

 N/A Finished Bore

Material

 N/A Steel

Style

 N/A Bored

Color

 N/A Metallic

Weight

 N/A 1.10 lb

Dimensional Data

Bore A & B

 N/A M8 Thread in

Size

 N/A DD6B

Set Screw Size

 N/A No Setscrew

Keyway A & B (W x D)

 N/A No Keyway

Outside Diameter

 N/A 1.000 in

Overall Length

 N/A 6.850 in

Bore Depth (Dimension C)

 N/A 1.000 in

Length to Center

 N/A 1.680 in

Cubic inches

 N/A 6.85000 in³

Performance Data

Normal Temperature Range

 N/A -20 to 212 ºF

Static Breaking Torque

 N/A 1560.00 in·lb

Max. Speed

 N/A 1750.00 rpm

Static Breaking Torque

 N/A 1560.00 in-lb

Max. Angle Offset

 N/A 25.00 º
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