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AR125-20-12 - 1.25 Inch 7075-T6 Aluminum Alloy Flexible Shaft Coupling

Machined coupling manufactured from 7075-T6 Aluminum Alloy with Set Screw end attachments. This 1.25 Inch flexible shaft coupling has a 1.25 Inch O.D. and 0.375 Inch and 0.625 Inch bores.

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Unit System
Specs (in standard)
Label Value
Angular Misalignment 5 deg
Axial Motion 0.01 in
Bore Size 0.375 in
Bore Size 2 0.625 in
Brand Helical Products
Center Line 0.16 in
Display Name AR125-20-12
End Type Set Screw
Finish Clear Anodized
Hex Size 0.1875 in
Inertia 6.9 lbin/sec sq
Length 1.25 in
Material 7075-T6 Aluminum Alloy
Max Torque 29 lbs/in
Model Number AR125-20-12
Non-Reversing Torque 15 lbs/in
Operating Temperature 200 F
Outside Diameter 1.25 in
Parallel Offset 0.01 in
Rate (Rotational) 0.37 lbf/deg
Rated Speed 10000 rpm
Reversing Torque 7.3 lbs/in
SKU AR125-20-12
Screw Size 1/4-20
Seating Torque 65 lbs/in
Series AR
Specs (in metric)
Label Value
Angular Misalignment 5 deg
Axial Motion 0.25 mm
Bore Size 9.53 mm
Bore Size 2 15.88 mm
Brand Helical Products
Center Line 4.06 mm
Display Name AR125-20-12
End Type Set Screw
Finish Clear Anodized
Hex Size 4.76 mm
Inertia 7.95 kgcm/sec sq
Length 31.75 mm
Material 7075-T6 Aluminum Alloy
Max Torque 5.08 N-mm
Model Number AR125-20-12
Non-Reversing Torque 2.63 N-mm
Operating Temperature 93.33 C
Outside Diameter 31.75 mm
Parallel Offset 0.25 mm
Rate (Rotational) 1.65 N/deg
Rated Speed 10000 rpm
Reversing Torque 1.28 N-mm
SKU AR125-20-12
Screw Size 1/4-20
Seating Torque 11.38 N-mm
Series AR

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