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Home / Couplings / ERSIID Aluminum Alloy Stepped Single/Double Coupling Stepper Motor High Torque Servo Motor Ball Screw Elastic

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Couplings
Origin -
Material High-Grade Aluminum Alloy
Coupling Type Single/Double Diaphragm Stepped
Application Stepper & Servo Motors, Ball Screws
Torque Capacity High Torque Transmission
Flexibility Elastic Compensation for Misalignment
Precision Level High Precision Zero Backlash
Surface Finish Anodized Corrosion Resistance
Operating Temperature -20°C to 80°C
Mounting Style Clamp-Type Hub Connection
Compatibility Universal Fit for Standard Shaft Sizes

6 reviews

A

Anonymous

Mar 31, 2026

Rating: 5/5

Perfect fit for my CNC upgrade

These couplings are exactly what I needed for my ball screw setup. The aluminum alloy feels robust, and the stepped design made installation incredibly easy. No vibration issues so far.

A

Anonymous

Mar 29, 2026

Rating: 5/5

High torque handling

I was worried about slippage under high load, but this coupling holds firm. The elastic properties absorb shocks well, protecting my servo motor. Highly recommended for industrial applications.

A

Anonymous

Mar 28, 2026

Rating: 5/5

Smooth operation

Installed these on my 3D printer gantry. The motion is noticeably smoother compared to the old rigid couplers. The anodized finish also looks very professional.

A

Anonymous

Mar 14, 2026

Rating: 4/5

Solid construction

Good value for money. The clamp mechanism is strong and doesn't damage the shafts. It handles the torque of my NEMA 23 motors without any hesitation.

A

Anonymous

Mar 11, 2026

Rating: 5/5

Excellent precision component

As an engineer, I appreciate the tight tolerances. There is virtually no backlash, which is critical for my positioning system. Will definitely order more for future projects.

A

Anonymous

Mar 08, 2026

Rating: 4/5

Great quality, fast shipping

Very precise manufacturing. The double diaphragm provides excellent flexibility for minor misalignments. Took off one star only because the instructions were a bit sparse, but the product itself is top-notch.

5 FAQ

Q: Can this handle axial misalignment?

A: Absolutely. The double diaphragm design is specifically engineered to compensate for axial, radial, and angular misalignments effectively.

Q: What is the maximum RPM rating for this model?

A: This aluminum alloy coupling is rated for up to 4000 RPM, making it suitable for most high-speed servo applications.

Q: Does it work with metric and imperial shafts?

A: We stock versions for both metric and imperial shaft diameters. Please select the specific combination you need from the dropdown options at checkout.

Q: Is special grease required for installation?

A: No special grease is needed. The unit comes pre-lubricated where necessary. Just ensure the shafts and hubs are clean before tightening the clamps.

Q: Does this coupling come in different bore sizes?

A: Yes, we offer various bore size combinations to fit standard stepper and servo motor shafts. Please check the selection menu or contact us for custom sizing.

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