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INDUSTRIAL MOTION PRODUCTS
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Couplings & Power Transmission Parts Catalog
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Universal Joints
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DD & DDX Types Universal Joints
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DD Type - Special Bores
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Part Number 68514476407
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Part Number 68514476407, DD Type - Special Bores
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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Unit of Measure:
Imperial
Metric
Both
Notes
·
Specifications
·
Dimensional Data
·
Performance Data
Notes
Disclaimer
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
DD4B-UJ-3/8SQX3/8-NSS LH NKW RH
Type
Universal Joints - DD Type
Bore Type
Finished Bore
Material
Steel
Style
Bored
Color
Metallic
Weight
0.50
lb
Dimensional Data
Bore A & B
3/8 Square & 3/8 Round
in
Size
DD4B
Set Screw Size
8-32 (round end only)
Keyway A & B (W x D)
No Keyway
Outside Diameter
0.750
in
Overall Length
5.380
in
Bore Depth (Dimension C)
0.880
in
Length to Center
1.340
in
Cubic inches
3.02625
in³
Performance Data
Normal Temperature Range
-20 to 212
ºF
Static Breaking Torque
768.00
in·lb
Max. Speed
1750.00
rpm
Static Breaking Torque
768.00
in-lb
Max. Angle Offset
25.00
º
MORE IMAGES
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Correct/Incorrect Assembly
VIEW CAD DRAWING
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3D
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