Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Couplings
Origin	-
Material	45# Carbon Steel
Coupling Type	Star Elastic (Spider)
Model Series	XL Series
Application	Air Compressor, Fan, Water Pump
Torque Capacity	High Torque Transmission
Elastic Element	Polyurethane Spider Insert
Feature	Vibration Damping & Noise Reduction
Installation	Easy Assembly with Keyway
Durability	Wear Resistant & Long Service Life
Finish	Black Oxide Coating

6 reviews

Anonymous

Mar 30, 2026

Rating: 5/5

Great value for money

I've tried several brands, and this XL star coupling holds up just as well as the expensive name brands. The steel is hard and the tolerances are tight. Will definitely buy again.

Anonymous

Mar 24, 2026

Rating: 5/5

Handles high torque well

We use these on our air compressors which run under heavy load. After three months of continuous operation, there is no sign of wear on the steel hubs or the elastic spider. Highly recommended for industrial use.

Anonymous

Mar 13, 2026

Rating: 4/5

Good quality, fast shipping

Bought this for a water pump repair project. The machining looks precise and the keyway alignment was perfect. Only giving 4 stars because the instructions were minimal, but if you know mechanics, it's easy to figure out.

Anonymous

Mar 11, 2026

Rating: 5/5

Reliable component

The build quality is excellent for the price point. The black oxide finish provides decent corrosion resistance in our workshop environment. It absorbs shock loads effectively, protecting the motor shaft.

Anonymous

Mar 09, 2026

Rating: 5/5

Perfect fit for our industrial fan

This coupling replaced an old worn-out part on our warehouse ventilation fan. The 45# steel feels very robust, and the spider insert fits snugly. Installation was straightforward, and the vibration has decreased significantly since the swap.

Anonymous

Mar 08, 2026

Rating: 4/5

Solid replacement part

Works exactly as described. The elastic element does a good job dampening noise. I wish it came with extra spiders, but overall a solid purchase for maintaining older machinery.

5 FAQ

Q: Does this coupling come with the rubber spider insert included?

A: Yes, the package includes both the steel hubs and the polyurethane spider elastic element pre-assembled or ready for assembly.

Q: Is this compatible with standard NEMA motor shafts?

A: This XL series is designed with standard metric keyways. If you need specific bore sizes or imperial keyways for NEMA motors, please message us with your requirements before ordering.

Q: Can this be used for reversible rotation applications?

A: Absolutely. The symmetrical design of the star coupling allows it to transmit torque efficiently in both clockwise and counter-clockwise directions.

Q: What is the maximum operating temperature for the elastic element?

A: The standard polyurethane spider is rated for continuous operation between -40°C and +80°C. For higher temperatures, please contact us for specialized materials.

Q: How often should the spider insert be replaced?

A: Replacement frequency depends on usage intensity and alignment. Generally, we recommend inspecting the spider every 6 months and replacing it if cracks or significant deformation are visible.

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