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  • Universal Solid Joints w/ Double Joint Arrangement - Imperial
  • Universal Solid Joints w/ Double Joint Arrangement - Imperial-2
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
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Bore Size  (in)

Keyway Size

Part Number

Description 

Bore A & B

Material

Set Screw Size

Keyway A & B (W x D)

Outside Diameter

Overall Length

Bore Depth

Static Breaking Torque

Main Pin Height (Dimension E)

CAD

N/A DD1B-UJ-3/16X3/16-NKW NSS BE N/A 3/16 in N/A Steel N/A No Setscrew N/A No Keyway N/A 0.380 in N/A 3.50 in N/A 0.560 in N/A 110.00 in-lb N/A 0.880 in N/A CAD Icon (for items table)
N/A DD2B-UJ-1/4X1/4-NKW NSS BE N/A 1/4 in N/A Steel N/A No Setscrew N/A No Keyway N/A 0.500 in N/A 4.00 in N/A 0.620 in N/A 378.00 in-lb N/A 1.000 in N/A CAD Icon (for items table)
N/A DD3B-UJ-5/16X5/16-NKW NSS BE N/A 5/16 in N/A Steel N/A No Setscrew N/A No Keyway N/A 0.620 in N/A 4.500 in N/A 0.680 in N/A 540.00 in-lb N/A 1.120 in N/A CAD Icon (for items table)
N/A DD4B-UJ-3/8X3/8-NKW NSS BE N/A 3/8 in N/A Steel N/A No Setscrew N/A No Keyway N/A 0.750 in N/A 5.380 in N/A 0.880 in N/A 768.00 in-lb N/A 1.34 in N/A CAD Icon (for items table)
N/A DD5B-UJ-7/16X7/16-NKW NSS BE N/A 7/16 in N/A Steel N/A No Setscrew N/A No Keyway N/A 0.880 in N/A 6.000 in N/A 0.880 in N/A 1176.00 in-lb N/A 1.500 in N/A CAD Icon (for items table)
N/A DD5B-UJ-3/8X1/2-NKW NSS BE N/A 3/8 & 1/2 in N/A Steel N/A No Setscrew N/A No Keyway N/A 0.880 in N/A 6.000 in N/A 1.000 in N/A 1176.00 in-lb N/A 1.500 in N/A CAD Icon (for items table)
N/A DD6B-UJ-1/2X1/2-NKW NSS BE N/A 1/2 in N/A Steel N/A No Setscrew N/A No Keyway N/A 1.000 in N/A 6.750 in N/A 1.000 in N/A 1560.00 in-lb N/A 1.680 in N/A CAD Icon (for items table)
N/A DD7B-UJ-9/16X9/16-NKW NSS BE N/A 9/16 in N/A Steel N/A No Setscrew N/A No Keyway N/A 1.120 in N/A 7 in N/A 1.000 in N/A 2880.00 in-lb N/A 1.750 in N/A CAD Icon (for items table)
N/A DD8B-UJ-5/8X5/8-NKW NSS BE N/A 5/8 in N/A Steel N/A No Setscrew N/A No Keyway N/A 1.250 in N/A 7.500 in N/A 1.060 in N/A 5220.00 in-lb N/A 1.880 in N/A CAD Icon (for items table)
N/A DD10B-UJ-3/4X3/4-NKW NSS BE N/A 3/4 in N/A Steel N/A No Setscrew N/A No Keyway N/A 1.500 in N/A 8.500 in N/A 1.180 in N/A 7920.00 in-lb N/A 2.12 in N/A CAD Icon (for items table)
N/A DD11B-UJ-7/8X7/8-NKW NSS BE N/A 7/8 in N/A Steel N/A No Setscrew N/A No Keyway N/A 1.75 in N/A 10.000 in N/A 1.380 in N/A 10680.00 in-lb N/A 2.5 in N/A CAD Icon (for items table)
N/A DD12B-UJ-1"X1"-NKW NSS BE N/A 1 in N/A Steel N/A No Setscrew N/A No Keyway N/A 2.000 in N/A 10.880 in N/A 1.500 in N/A 15600.00 in-lb N/A 2.72 in N/A CAD Icon (for items table)
N/A DD13B-UJ-1-1/4X1-1/4-NKW NSS BE N/A 1-1/4 in N/A Steel N/A No Setscrew N/A No Keyway N/A 2.500 in N/A 14.000 in N/A 2.000 in N/A 33120.00 in-lb N/A 3.5 in N/A CAD Icon (for items table)
N/A DD14B-UJ-1-1/2X1-1/2-NKW NSS BE N/A 1-1/2 in N/A Steel N/A No Setscrew N/A No Keyway N/A 3.000 in N/A 18.120 in N/A 2.750 in N/A 65400.00 in-lb N/A 4.53 in N/A
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