EC Series - Single Beam Clamp Style Couplings - Inch (Imperial) Bores
Beam Style Couplings (ASB, ES/EC, & ADB Series)
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The Beam flexible coupling is formed from one piece of aluminum rod. A spiral
slot is cut through the length of the aluminum tube forming a “spring” center
section referred to as a helical coil or beam. The flexure allowed by the beam
portion of the coupling is capable of accommodating angular, parallel and axial
misalignment while continuing to convey power between the attached shafts.
This results in a single piece, true flexible coupling.
The Miniature Beam coupling is designed for very light power transmission applications where accurate positioning of shafts is an essential requirement. It also has a very high tolerance to heat, chemicals, and corrosion that would be harmful to conventional elastomeric flexible couplings.
The Miniature Beam coupling design is very well suited for small shaft applications and the inherent requirements of start/stop/reverse applications where zero backlash and extreme positioning accuracy are important. This coupling operates either clockwise or counter clockwise without sacrificing windup or torque capabilities.
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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 |
|---|---|---|---|---|---|---|---|---|
| 68514456620 | Description N/A EC050-BEAM CP-1/8X1/8 | Bore A N/A 0.125 in | Bore B N/A 0.125 in | Coupling Size N/A EC050 | Overall Length N/A 0.748 in19.00 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.512 in13.00 mm | Nominal Torque N/A 1.80 in·lb |
| 68514458284 | Description N/A EC050-BEAM CP-3/16X1/8 | Bore A N/A 0.188 in | Bore B N/A 0.125 in | Coupling Size N/A EC050 | Overall Length N/A 0.748 in19.00 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.512 in13.00 mm | Nominal Torque N/A 1.80 in·lb |
| 68514456632 | Description N/A EC075-BEAM CP-1/4X1/4 | Bore A N/A 0.250 in | Bore B N/A 0.250 in | Coupling Size N/A ES075 | Overall Length N/A 0.748 in19.00 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.748 in19.00 mm | Nominal Torque N/A 5.00 in·lb |
| 68514456630 | Description N/A EC075-BEAM CP-3/16X1/4 | Bore A N/A 0.188 in | Bore B N/A 0.188 in | Coupling Size N/A ES075 | Overall Length N/A 0.748 in19.00 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.748 in19.00 mm | Nominal Torque N/A 5.00 in·lb |
| 68514456628 | Description N/A EC075-BEAM CP-3/16X3/16 | Bore A N/A 0.188 in | Bore B N/A 0.188 in | Coupling Size N/A ES075 | Overall Length N/A 0.748 in19.00 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.748 in19.00 mm | Nominal Torque N/A 5.00 in·lb |
| 68514456640 | Description N/A EC100-BEAM CP-1/4X1/4 | Bore A N/A 0.250 in | Bore B N/A 0.250 in | Coupling Size N/A ES100 | Overall Length N/A 0.984 in25.00 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.984 in25.00 mm | Nominal Torque N/A 11.00 in·lb |
| 68514456642 | Description N/A EC100-BEAM CP-1/4X3/8 | Bore A N/A 0.250 in | Bore B N/A 0.375 in | Coupling Size N/A ES100 | Overall Length N/A 0.984 in25.00 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.984 in25.00 mm | Nominal Torque N/A 11.00 in·lb |
| 68514456644 | Description N/A EC100-BEAM CP-3/8X3/8 | Bore A N/A 0.375 in | Bore B N/A 0.375 in | Coupling Size N/A ES100 | Overall Length N/A 0.984 in25.00 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.984 in25.00 mm | Nominal Torque N/A 11.00 in·lb |
| 68514458292 | Description N/A EC100-BEAM CP-5/16X5/16 | Bore A N/A 0.313 in | Bore B N/A 0.313 in | Coupling Size N/A EC100 | Overall Length N/A 1.260 in32.00 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 0.984 in25.00 mm | Nominal Torque N/A 11.00 in·lb |
| 68514456656 | Description N/A EC112-BEAM CP-1/2X1/2 | Bore A N/A 0.500 in | Bore B N/A 0.500 in | Coupling Size N/A ES112 | Overall Length N/A 1.102 in28.00 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.102 in28.00 mm | Nominal Torque N/A 17.00 in·lb |
| 68514456654 | Description N/A EC112-BEAM CP-3/8X1/2 | Bore A N/A 0.375 in | Bore B N/A 0.500 in | Coupling Size N/A ES112 | Overall Length N/A 1.102 in28.00 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.102 in28.00 mm | Nominal Torque N/A 17.00 in·lb |
| 68514456652 | Description N/A EC112-BEAM CP-3/8X3/8 | Bore A N/A 0.375 in | Bore B N/A 0.375 in | Coupling Size N/A ES112 | Overall Length N/A 1.102 in28.00 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.102 in28.00 mm | Nominal Torque N/A 17.00 in·lb |
| 68514458298 | Description N/A EC112-BEAM CP-5/16X5/16 | Bore A N/A 0.313 in | Bore B N/A 0.313 in | Coupling Size N/A EC112 | Overall Length N/A 1.496 in38.00 mm | Keyway Size N/A No Keyway | Outside Diameter N/A 1.102 in28.00 mm | Nominal Torque N/A 17.00 in·lb |
