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J-1211-3-2 Dynaflex® Shear Type Couplings

Item # J-1211-3-2 — J-1211-3-2 Dynaflex® Shear Type Couplings

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For Low Frequency Vibration Isolation and Misalignment Accommodation Compact, one-piece flexible couplings economically constructed to isolate low- frequency vibration and accommodate multi-directional misalignment.

Large Selection of Standard Sizes
Fractional horsepower couplings are available in a range of sizes to permit matching a specific coupling to your application.

Standard Construction :-
Hubs - steel, Bores - as listed, Set Screws - one per hub furnished but not installed, Flexing Element - neoprene.

Compact, one-piece coupling construction is convenient for small equipment with fractional horsepower requirements. Torsional deflection at rated torque assures excellent vibration isolation. Specified torque rating allows 15° angular deflection for excellent vibration isolation.

Max. recommended Misallgnments-1/32 in. parallet, 2° angular.

Non-Stock Item, please contact

Need a custom part similar to J-1211-3-2 Dynaflex® Shear Type Couplings? Request a custom quote or give us a call at 888-842-5668.

1/50 to 1 hp at 1750 rpm.
High torsional deflection.
Versatile application potential.
Multi-directional misalignment accommodation.
Easy installation.
One-piece construction.
No lubrication or maintenance required.
Misalignment Accommodation : elastomeric flexibility accommodates misalignments up to 1/32 inch parallel, 2° angular.
Vibration Isolation : low torsional stiffness is achieved with the shear-type flexible coupling because the rubber is loaded in shear. This allows for low system natural frequencies and excellent driveline disturbances.
Shock Protection : torsional shock loads are attenuated by torsional deflection of the elastomer. Torsional flexibility smoothes out rotational disturbances and protects system components from early fatigue failure.
Noise Reduction : no metal-to-metal contact; elastomeric barrier reduces gear noise, transmission and motor hum between shifts.
Maintenance-Free : elastomer flexibility accommodates all motion without metal-to-metal wear, eliminates the need for lubrication.
Long Service Life : shear-type flexible couplings have proven themselves under demanding service conditions. Elastomers resist effects of abrasive materials, oil and grease.
Attachment : shear-type flexible couplings are available in an assortment of bore sizes.
Constant Velocity : inherent design properties produce a rotational constant velocity.

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Specifications

Bolt Thread Size

0.375

Bore Diameter (A) (in)

3/8

C (in)

0.88

D Ref (in)

1.25

E Ref (in)

0.88

F (in)

2.13

Horse Power (1750 RPM) (hp)

1/4

Set Screw Size

1/4 to 20

Static Torsional Stiffness (lb/in)

0.66

Torque Rating (lb-in)

Torque Rating (lb/in)

Typical Applications

Shear-type flexible couplings are useful in many small equipment driveline applications.Multi-directional misalignment capabilities make them ideally suited for fractional horsepower drivelines de

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