DD Type - Special Bores
DD & DDX Types Universal Joints
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
Item Number |
Description |
Bore A & B |
Material |
Set Screw Size |
Keyway A & B (W x D) |
Outside Diameter |
Overall Length |
Bore Depth (Dimension C) |
Static Breaking Torque |
CAD |
|---|---|---|---|---|---|---|---|---|---|---|
| 68514476407 | Description N/A DD4B-UJ-3/8SQX3/8-NSS LH NKW RH | Bore A & B N/A 3/8 Square & 3/8 Round in | Material N/A Steel | Set Screw Size N/A 8-32 (round end only) | Keyway A & B (W x D) N/A No Keyway | Outside Diameter N/A 0.750 in | Overall Length N/A 5.380 in | Bore Depth (Dimension C) N/A 0.880 in | Static Breaking Torque N/A 768.00 in-lb |
CAD
N/A 
|
| 68514476277 | Description N/A DD6B-UJ-M8THRDXM8THRD-OD OAL=6.85 | Bore A & B N/A M8 Thread in | Material N/A Steel | 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 | Static Breaking Torque N/A 1560.00 in-lb | CAD N/A |
