Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Aluminum Alloy 6061
Coupling Type	Three-Jaw Spider
Connection Method	Keyway and Setscrew
Spider Material	Polyurethane Elastomer
Rated Torque	45 Nm
Max Speed	4000 RPM
Misalignment Type	Angular and Parallel
Surface Finish	Black Anodized
Operating Temp	-30°C to 80°C
Motor Fit	Stepper and Servo Motors

5 reviews

Anonymous

Mar 21, 2026

Rating: 5/5

Perfect for my CNC router

These couplings fit perfectly on my NEMA 23 motors. Very sturdy construction and the keyway alignment was precise.

Anonymous

Mar 15, 2026

Rating: 4/5

Good quality

Solid aluminum build. The spider insert is a bit stiff initially but loosened up after use.

Anonymous

Mar 05, 2026

Rating: 5/5

High torque handling

No slippage under load. Great for high-torque applications where belt drives are not an option.

Anonymous

Mar 03, 2026

Rating: 5/5

Exact specs

Matched the technical drawings exactly. Easy to install with the provided setscrews.

Anonymous

Feb 19, 2026

Rating: 4/5

Reliable component

Using them on a 3D printer upgrade. Vibration damping is noticeable compared to rigid couplings.

5 FAQ

Q: Does this require regular lubrication?

A: No, the spider coupling is maintenance-free and does not require external lubrication.

Q: What shaft diameters are available?

A: We offer bore sizes ranging from 5mm to 20mm. Please select the specific size from the dropdown menu.

Q: Can I buy replacement spider inserts?

A: Yes, replacement polyurethane spiders are sold separately in our accessories section.

Q: Is this suitable for outdoor use?

A: The anodized finish provides corrosion resistance, but we recommend shielding it from direct rain for longevity.

Q: What is the maximum angular misalignment?

A: This coupling can compensate for angular misalignment up to 1 degree depending on the specific size.

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