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Motor Couplings

Oldham couplings are ideal for many motion control applications. Comprised of aluminum hubs with drive tenons that mate to a torque transmitting plastic disc, their design allows for easy sliding to accommodate misalignment with a very light bearing load. Oldham couplings also have the advantages of electrical isolation, low inertia and a balanced design for higher rpm applications. While the couplings accommodate a small amount of angular and axial misalignment, they are especially useful in applications with parallel misalignment.

Oldham couplings are offered in most normal shaft sizes with set screw (or clamp style hubs by request) with bore from 1/4" (5mm) to 5/8" (16mm). The hubs are anodized for improved lubricity and increased life. The center disks are acetal. Acetal discs are designed for precision applications requiring zero backlash and high torque capacity. Since the discs are replaceable, they may be used as a torque limiter.




Product Image Item Name- Price
1/2" X 1/2" High Torque Oldham Coupling

1/2" X 1/2" High Torque Oldham Coupling

Ruland 1/2" X 1/2" Clamp Style High Torque Oldham Coupling Oldham couplings are ideal for stepper motor applications.  The balanced split hub...
$32.82

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1/2" X 5/8" High Torque Oldham Coupling

1/2" X 5/8" High Torque Oldham Coupling

Ruland 1/2" X 5/8" Clamp Style High Torque Oldham Coupling Oldham couplings are ideal for stepper motor applications.  The balanced split hub...
$32.82

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1/4" X 1/2" Oldham Coupling

1/4" X 1/2" Oldham Coupling

Ruland 1/4" X 1/2" Clamp Style Oldham Coupling Oldham couplings are ideal for stepper motor applications.  The balanced split hub and disc...
$22.87

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1/4" X 1/4" Oldham Coupling

1/4" X 1/4" Oldham Coupling

Ruland 1/4" X 1/4" Clamp Style Oldham Coupling Oldham couplings are ideal for stepper motor applications.  The balanced split hub and disc...
$16.54

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1/4" X 3/8" Oldham Coupling

1/4" X 3/8" Oldham Coupling

Ruland 1/4" X 3/8" Clamp Style Oldham Coupling Oldham couplings are ideal for stepper motor applications.  The balanced split hub and disc...
$22.87

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3/8" X 1/2" High Torque Oldham Coupling

3/8" X 1/2" High Torque Oldham Coupling

Ruland 3/8" X 1/2" Clamp Style High Torque Oldham Coupling Oldham couplings are ideal for stepper motor applications.  The balanced split hub...
$32.82

Add:

3/8" X 1/2" Oldham Coupling

3/8" X 1/2" Oldham Coupling

Ruland 3/8" X 1/2" Clamp Style Oldham Coupling Oldham couplings are ideal for stepper motor applications.  The balanced split hub and disc...
$22.87

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