- Product Types of LovejoyProduct Types of Lovejoy
- Couplings & Power Transmission Parts CatalogCouplings & Power Transmission Parts Catalog
- Universal JointsUniversal Joints
- DD & DDX Types Universal JointsDD & DDX Types Universal Joints
- DD Type without Keyway - Inch (Imperial) BoresDD Type without Keyway - Inch (Imperial) Bores
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DD Type without Keyway - Inch (Imperial) Bores
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DD Type without Keyway - Inch (Imperial) 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 |
Static Breaking Torque |
Main Pin Height (Dimension E) |
CAD |
---|---|---|---|---|---|---|---|---|---|---|---|
68514476244 | Description N/A DD5B UJNT 3/8X1/2 NKW NSS BE | Bore A & B N/A 3/8 & 1/2 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 0.880 in | Overall Length N/A 6.000 in | Bore Depth N/A 1.000 in | Static Breaking Torque N/A 1176.00 in-lb | Main Pin Height (Dimension E) N/A 1.500 in | CAD N/A |
68514417207 | Description N/A DD13B UJNT 1-1/4X1-1/4 N/KW | Bore A & B N/A 1-1/4 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 2.500 in | Overall Length N/A 14.000 in | Bore Depth N/A 2.000 in | Static Breaking Torque N/A 33120.00 in-lb | Main Pin Height (Dimension E) N/A 3.5 in | CAD N/A |
68514417177 | Description N/A DD12B UJNT 1"X1" | Bore A & B N/A 1 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 2.000 in | Overall Length N/A 10.880 in | Bore Depth N/A 1.500 in | Static Breaking Torque N/A 15600.00 in-lb | Main Pin Height (Dimension E) N/A 2.72 in | CAD N/A |
68514417164 | Description N/A DD11B UJNT 7/8X7/8 N/KW N/SS | Bore A & B N/A 7/8 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 1.75 in | Overall Length N/A 10.000 in | Bore Depth N/A 1.380 in | Static Breaking Torque N/A 10680.00 in-lb | Main Pin Height (Dimension E) N/A 2.5 in | CAD N/A |
68514417142 | Description N/A DD10B UJNT 3/4X3/4 NKW NSS BE | Bore A & B N/A 3/4 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 1.500 in | Overall Length N/A 8.500 in | Bore Depth N/A 1.180 in | Static Breaking Torque N/A 7920.00 in-lb | Main Pin Height (Dimension E) N/A 2.12 in | CAD N/A |
68514417120 | Description N/A DD8B UJNT 5/8X5/8 N/KW BE | Bore A & B N/A 5/8 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 1.250 in | Overall Length N/A 7.500 in | Bore Depth N/A 1.060 in | Static Breaking Torque N/A 5220.00 in-lb | Main Pin Height (Dimension E) N/A 1.880 in | CAD N/A |
68514417114 | Description N/A DD7B UJNT 9/16X9/16 NKW NSS | Bore A & B N/A 9/16 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 1.120 in | Overall Length N/A 7 in | Bore Depth N/A 1.000 in | Static Breaking Torque N/A 2880.00 in-lb | Main Pin Height (Dimension E) N/A 1.750 in | CAD N/A |
68514417108 | Description N/A DD6B UJNT 1/2X1/2 | Bore A & B N/A 1/2 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 6.750 in | Bore Depth N/A 1.000 in | Static Breaking Torque N/A 1560.00 in-lb | Main Pin Height (Dimension E) N/A 1.680 in | CAD N/A |
68514417102 | Description N/A DD5B UJNT 7/16X7/16 NKW NSS BE | Bore A & B N/A 7/16 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 0.880 in | Overall Length N/A 6.000 in | Bore Depth N/A 0.880 in | Static Breaking Torque N/A 1176.00 in-lb | Main Pin Height (Dimension E) N/A 1.500 in | CAD N/A |
68514417094 | Description N/A DD4B UJNT 3/8X3/8 | Bore A & B N/A 3/8 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 0.750 in | Overall Length N/A 5.380 in | Bore Depth N/A 0.880 in | Static Breaking Torque N/A 768.00 in-lb | Main Pin Height (Dimension E) N/A 1.34 in | CAD N/A |
68514417087 | Description N/A DD3B UJNT 5/16X5/16 NKW NSS | Bore A & B N/A 5/16 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 0.620 in | Overall Length N/A 4.500 in | Bore Depth N/A 0.680 in | Static Breaking Torque N/A 540.00 in-lb | Main Pin Height (Dimension E) N/A 1.120 in | CAD N/A |
68514417078 | Description N/A DD2B UJNT 1/4X1/4 NKW NSS BE | Bore A & B N/A 1/4 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 0.500 in | Overall Length N/A 4.00 in | Bore Depth N/A 0.620 in | Static Breaking Torque N/A 378.00 in-lb | Main Pin Height (Dimension E) N/A 1.000 in | CAD N/A |
68514417075 | Description N/A DD1B UJNT 3/16X3/16 N/KW BE | Bore A & B N/A 3/16 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 0.380 in | Overall Length N/A 3.50 in | Bore Depth N/A 0.560 in | Static Breaking Torque N/A 110.00 in-lb | Main Pin Height (Dimension E) N/A 0.880 in | CAD N/A |
68514417224 | Description N/A DD14B UJNT 1-1/2X1-1/2 NKW NSS | Bore A & B N/A 1-1/2 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 3.000 in | Overall Length N/A 18.120 in | Bore Depth N/A 2.750 in | Static Breaking Torque N/A 65400.00 in-lb | Main Pin Height (Dimension E) N/A 4.53 in | CAD N/A |