A Series
Helical A Series Flexible Aluminum Couplings meet performance demands over a wide range of applications, including drive systems for encoders, instrumentation, lead screws, small pumps, feed rollers and anywhere a light to medium duty, torsionally flexible coupling is required.
Helical A Series Flexible Aluminum Couplings is Helical’s most popular coupling due to an array of options, in a variety of diameter sizes, that allows you to tailor the A Series to your specific applications. Helical A Series Flexible Couplings feature no maintenance and shaft sizes from 3/32” to 3/4”. Helical A Series Flexible Aluminum Couplings are available in a 7075-T6 Aluminum Alloy material, and with an Integral Clamp or Set Screw attachment.
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AR125-12-12
Outside Diameter: 1 1/4 in
Length: 1 1/4 in
Major Bore: 3/8 in
Minor Bore: 3/8 in -
AR125-12-8
Outside Diameter: 1 1/4 in
Length: 1 1/4 in
Major Bore: 3/8 in
Minor Bore: 1/4 in -
AR125-16-12
Outside Diameter: 1 1/4 in
Length: 1 1/4 in
Major Bore: 1/2 in
Minor Bore: 3/8 in -
AR125-16-16
Outside Diameter: 1 1/4 in
Length: 1 1/4 in
Major Bore: 1/2 in
Minor Bore: 1/2 in -
AR125-20-12
Outside Diameter: 1 1/4 in
Length: 1 1/4 in
Major Bore: 5/8 in
Minor Bore: 3/8 in -
AR125-20-20
Outside Diameter: 1 1/4 in
Length: 1 1/4 in
Major Bore: 5/8 in
Minor Bore: 5/8 in -
AR125-20-8
Outside Diameter: 1 1/4 in
Length: 1 1/4 in
Major Bore: 5/8 in
Minor Bore: 1/4 in -
AR125-24-16
Outside Diameter: 1 1/4 in
Length: 1 1/4 in
Major Bore: 3/4 in
Minor Bore: 1/2 in -
ARM050-3MM-3MM
Outside Diameter: 1/2 in
Length: 1/2 in
Major Bore: 3 mm
Minor Bore: 3 mm -
ARM050-4-3MM
Outside Diameter: 1/2 in
Length: 1/2 in
Major Bore: 1/8 in
Minor Bore: 3 mm -
ARM050-4MM-3MM
Outside Diameter: 1/2 in
Length: 1/2 in
Major Bore: 4 mm
Minor Bore: 3 mm -
ARM050-4MM-4
Outside Diameter: 1/2 in
Length: 1/2 in
Major Bore: 4 mm
Minor Bore: 1/8 in