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Smarter Bearing Selection Is Here

The Timken ® Syber ® Bearing System Designer Tool now features Smart Selection, enabling users to find the right bearing faster by filtering options based on target life and key dimensions.

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Analyze Bearing Performance in an Application with Timken ® Syber ® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

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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
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Unit of Measure
Items
Universal Solid Joints w/ Double Joint Arrangement - Imperial

DD Type - Special Bores
Universal Solid Joints w/ Double Joint Arrangement - Imperial

DD Type - Special Bores
Description  N/A DD4B-UJ-3/8SQX3/8-NSS LH NKW RH N/A DD6B-UJ-M8THRDXM8THRD-OD OAL=6.85
Bore A & B N/A 3/8 Square & 3/8 Round in N/A M8 Thread in
Type N/A Universal Joints - DD Type
Bore Type N/A Finished Bore
Size N/A DD4B N/A DD6B
Material N/A Steel
Set Screw Size N/A 8-32 (round end only) N/A No Setscrew
Keyway A & B (W x D) N/A No Keyway
Style N/A Bored
Outside Diameter N/A 0.750 in N/A 1.000 in
Overall Length N/A 5.380 in N/A 6.850 in
Color N/A Metallic
Normal Temperature Range N/A -20 to 212 ºF
Static Breaking Torque N/A 768.00 in·lb N/A 1560.00 in·lb
Bore Depth (Dimension C) N/A 0.880 in N/A 1.000 in
Length to Center N/A 1.340 in N/A 1.680 in
Max. Speed N/A 1750.00 rpm
Static Breaking Torque N/A 768.00 in-lb N/A 1560.00 in-lb
Max. Angle Offset N/A 25.00 º
Cubic inches N/A 3.02625 in³ N/A 6.85000 in³
Weight N/A 0.50 lb N/A 1.10 lb