Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material Composition	45# Steel and Aluminum Alloy
Coupling Design	Dual-Diaphragm Elastic
Primary Application	Servo and Stepper Motors
Rated Torque	Up to 50 N·m
Bore Diameter Range	5mm to 20mm
Total Length	55mm
Outer Diameter	42mm
Surface Treatment	Black Oxide Coating
Operating Temperature	-20°C to 80°C
Warranty Period	1 Year Manufacturer Warranty

5 reviews

Anonymous

Apr 21, 2026

Rating: 5/5

Reliable Component

Exactly what I needed for my servo motor setup. Dimensions matched the drawing perfectly. Will order again.

Anonymous

Apr 18, 2026

Rating: 5/5

Excellent Torque Handling

Using this for a high-load automation project. It handles the torque without slipping. Very satisfied with performance.

Anonymous

Feb 14, 2026

Rating: 5/5

Solid Build Quality

The steel feels very durable. No signs of wear after two months of continuous operation. Great factory direct price.

Anonymous

Feb 13, 2026

Rating: 5/5

Perfect for CNC Retrofit

Installed this on my milling machine spindle. The alignment was perfect and vibration is minimal. Highly recommend for industrial use.

Anonymous

Jan 25, 2026

Rating: 4/5

Good Value for Money

Works as described. Took off one star because the shipping packaging could be better, but the product itself is fine.

5 FAQ

Q: What is the maximum RPM rating?

A: This model supports up to 8000 RPM depending on the specific bore size and balance grade.

Q: Is lubrication required before installation?

A: No, the coupling comes pre-lubricated from the factory. Do not add additional grease.

Q: Is this made of stainless steel?

A: No, this is made from 45# Steel and Aluminum Alloy for optimal torque and weight balance.

Q: Does this fit a Nema 23 motor?

A: Yes, provided the bore diameter matches your shaft size. We offer custom boring services.

Q: Can I return this if the size is wrong?

A: Yes, we accept returns within 30 days if the item is unused and in original packaging.

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