ADB Series - Aluminum Double Beam Clamp Style Couplings - Inch (Imperial) Bores
Beam Style Couplings (ASB, ES/EC, & ADB Series)
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The ADB (Aluminum Double Beam) Series coupling enhances the beam coupling options
available from Lovejoy Inc. The longer overall length allows the ADB series to span longer
BSE (between shaft end) measurements.
The aluminum material used in its construction keeps the coupling’s weight low. The ADB design offers two flex points allowing for greater angular misalignment, up to 7°. This design also allows for up to .024 inches of parallel misalignment. The torque capacity ADB series is more than double the range of the single beam designs, with the largest size having a torque capacity of 88 in-lbs.
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Bore A (in)
Bore B (in)
Coupling Size
Overall Length (in)
Overall Length (mm)
Keyway Size
Item Number |
Description |
Bore A |
Bore B |
Coupling Size |
Overall Length |
Keyway Size |
Outside Diameter |
Nominal Torque |
|---|---|---|---|---|---|---|---|---|
| 68514476830 | Description N/A ADB3-BEAM CP-3/16X3/16 | Bore A N/A 0.188 in | Bore B N/A 0.188 in | Coupling Size N/A ADB3 | Overall Length N/A 0.902 in22.90 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.500 in12.70 mm | Nominal Torque N/A 3.50 in·lb |
| 68514476831 | Description N/A ADB3-BEAM CP-3/16X1/4 | Bore A N/A 0.188 in | Bore B N/A 0.250 in | Coupling Size N/A ADB3 | Overall Length N/A 0.902 in22.90 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.500 in12.70 mm | Nominal Torque N/A 3.50 in·lb |
| 68514476832 | Description N/A ADB3-BEAM CP-1/4X1/4 | Bore A N/A 0.250 in | Bore B N/A 0.250 in | Coupling Size N/A ADB3 | Overall Length N/A 0.902 in22.90 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.500 in12.70 mm | Nominal Torque N/A 3.50 in·lb |
| 68514476833 | Description N/A ADB3.5-BEAM CP-3/16X3/16 | Bore A N/A 0.188 in | Bore B N/A 0.188 in | Coupling Size N/A ADB3.5 | Overall Length N/A 0.902 in22.90 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.500 in12.70 mm | Nominal Torque N/A 6.20 in·lb |
| 68514476834 | Description N/A ADB3.5-BEAM CP-3/16X1/4 | Bore A N/A 0.188 in | Bore B N/A 0.250 in | Coupling Size N/A ADB3.5 | Overall Length N/A 1.000 in25.40 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.626 in15.90 mm | Nominal Torque N/A 6.20 in·lb |
| 68514476835 | Description N/A ADB3.5-BEAM CP-1/4X1/4 | Bore A N/A 0.250 in | Bore B N/A 0.250 in | Coupling Size N/A ADB3.5 | Overall Length N/A 1.000 in25.40 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.626 in15.90 mm | Nominal Torque N/A 6.20 in·lb |
| 68514476836 | Description N/A ADB3.5-BEAM CP-1/4X5/16 | Bore A N/A 0.250 in | Bore B N/A 0.313 in | Coupling Size N/A ADB3.5 | Overall Length N/A 1.000 in25.40 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.626 in15.90 mm | Nominal Torque N/A 6.20 in·lb |
| 68514476837 | Description N/A ADB3.5-BEAM CP-5/16X5/16 | Bore A N/A 0.313 in | Bore B N/A 0.313 in | Coupling Size N/A ADB3.5 | Overall Length N/A 1.000 in25.40 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.626 in15.90 mm | Nominal Torque N/A 6.20 in·lb |
| 68514476838 | Description N/A ADB4-BEAM CP-1/4X1/4 | Bore A N/A 0.250 in | Bore B N/A 0.250 in | Coupling Size N/A ADB4 | Overall Length N/A 1.043 in26.50 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.752 in19.10 mm | Nominal Torque N/A 12.00 in·lb |
| 68514476839 | Description N/A ADB4-BEAM CP-1/4X3/8 | Bore A N/A 0.250 in | Bore B N/A 0.375 in | Coupling Size N/A ADB4 | Overall Length N/A 1.043 in26.50 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.752 in19.10 mm | Nominal Torque N/A 12.00 in·lb |
| 68514476840 | Description N/A ADB4-BEAM CP-5/16X5/16 | Bore A N/A 0.313 in | Bore B N/A 0.313 in | Coupling Size N/A ADB4 | Overall Length N/A 1.043 in26.50 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.752 in19.10 mm | Nominal Torque N/A 12.00 in·lb |
| 68514476841 | Description N/A ADB4-BEAM CP-3/8X3/8 | Bore A N/A 0.375 in | Bore B N/A 0.375 in | Coupling Size N/A ADB4 | Overall Length N/A 1.043 in26.50 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.752 in19.10 mm | Nominal Torque N/A 12.00 in·lb |
| 68514476842 | Description N/A ADB5-BEAM CP-3/8X3/8 | Bore A N/A 0.375 in | Bore B N/A 0.375 in | Coupling Size N/A ADB5 | Overall Length N/A 1.500 in38.10 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.000 in25.40 mm | Nominal Torque N/A 20.00 in·lb |
| 68514476843 | Description N/A ADB5-BEAM CP-3/8X1/2 | Bore A N/A 0.375 in | Bore B N/A 0.500 in | Coupling Size N/A ADB5 | Overall Length N/A 1.500 in38.10 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.000 in25.40 mm | Nominal Torque N/A 20.00 in·lb |
| 68514476844 | Description N/A ADB5-BEAM CP-1/2X1/2 | Bore A N/A 0.500 in | Bore B N/A 0.500 in | Coupling Size N/A ADB5 | Overall Length N/A 1.500 in38.10 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.000 in25.40 mm | Nominal Torque N/A 20.00 in·lb |
| 68514476845 | Description N/A ADB6-BEAM CP-5/16X5/8 | Bore A N/A 0.313 in | Bore B N/A 0.625 in | Coupling Size N/A ADB6 | Overall Length N/A 2.252 in57.20 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.252 in31.80 mm | Nominal Torque N/A 38.00 in·lb |
| 68514476846 | Description N/A ADB6-BEAM CP-3/8X1/2 | Bore A N/A 0.375 in | Bore B N/A 0.500 in | Coupling Size N/A ADB6 | Overall Length N/A 2.252 in57.20 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.252 in31.80 mm | Nominal Torque N/A 38.00 in·lb |
| 68514476847 | Description N/A ADB6-BEAM CP-3/8X5/8 | Bore A N/A 0.375 in | Bore B N/A 0.625 in | Coupling Size N/A ADB6 | Overall Length N/A 2.252 in57.20 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.252 in31.80 mm | Nominal Torque N/A 38.00 in·lb |
| 68514476848 | Description N/A ADB6-BEAM CP-1/2X1/2 | Bore A N/A 0.500 in | Bore B N/A 0.500 in | Coupling Size N/A ADB6 | Overall Length N/A 2.252 in57.20 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.252 in31.80 mm | Nominal Torque N/A 38.00 in·lb |
| 68514476849 | Description N/A ADB6-BEAM CP-1/2X5/8 | Bore A N/A 0.500 in | Bore B N/A 0.625 in | Coupling Size N/A ADB6 | Overall Length N/A 2.252 in57.20 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.252 in31.80 mm | Nominal Torque N/A 38.00 in·lb |
| 68514476850 | Description N/A ADB6-BEAM CP-5/8X5/8 | Bore A N/A 0.625 in | Bore B N/A 0.625 in | Coupling Size N/A ADB6 | Overall Length N/A 2.252 in57.20 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.252 in31.80 mm | Nominal Torque N/A 38.00 in·lb |
| 68514476851 | Description N/A ADB7-BEAM CP-3/8X5/8 | Bore A N/A 0.375 in | Bore B N/A 0.625 in | Coupling Size N/A ADB7 | Overall Length N/A 2.626 in66.70 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.500 in38.10 mm | Nominal Torque N/A 88.00 in·lb |
| 68514476852 | Description N/A ADB7-BEAM CP-3/8X3/4 | Bore A N/A 0.375 in | Bore B N/A 0.750 in | Coupling Size N/A ADB7 | Overall Length N/A 2.626 in66.70 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.500 in38.10 mm | Nominal Torque N/A 88.00 in·lb |
| 68514476853 | Description N/A ADB7-BEAM CP-1/2X1/2 | Bore A N/A 0.500 in | Bore B N/A 0.500 in | Coupling Size N/A ADB7 | Overall Length N/A 2.626 in66.70 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.500 in38.10 mm | Nominal Torque N/A 88.00 in·lb |
| 68514476854 | Description N/A ADB7-BEAM CP-1/2X5/8 | Bore A N/A 0.500 in | Bore B N/A 0.625 in | Coupling Size N/A ADB7 | Overall Length N/A 2.626 in66.70 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.500 in38.10 mm | Nominal Torque N/A 88.00 in·lb |
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