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

Specifications

Description 

N/A DD6B UJNT 1/2X1/2

Bore A & B

N/A 1/2 in

Type

N/A Universal Joints - DD Type

Material

N/A Steel

Style

N/A Bored

Weight

N/A 1.16 lb

Color

N/A Metallic

Bore Type

N/A Finished Bore

Connection Type A x B 

N/A 1/2 x 1/2 in

Dimensional Data

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 6.750 in

Bore Depth (Dimension C)

N/A 1.000 in

Max. Bore - No Keyway (Dim. ID1 & ID2)

N/A 0.750 in19.00 mm

Main Pin Height (Dimension E)

N/A 1.680 in

Dimension F (Standard)

N/A 3.380 in85.85 mm

Dimension F (Minimum)

N/A 2.380 in60.45 mm

Cubic inches

N/A 6.75000 in³

Performance Data

Operating 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

Notes

Notes 

N/A
  • Static Breaking Torque is not recommended operating torque.
  • Square and hex bore measured across the flats.
  • Bores other than shown are available at additional charge.
  • Shorter centers upon request.