Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Couplings
Origin	-
Model Number	KC6018
Material	45# Steel / C45 Carbon Steel
Surface Treatment	Black Oxide / Phosphating
Chain Type	Double Roller Chain (GL Series)
Max Torque Capacity	2800 N·m
Max Speed	3000 RPM
Bore Diameter Range	30mm - 90mm
Origin	Shanghai, China
Application	Pumps, Fans, Compressors, Conveyors
Package Weight	4.5 kg

6 reviews

Anonymous

Mar 13, 2026

Rating: 5/5

Excellent customer support and product

Had a question about the max bore size before purchasing. The team responded quickly. The coupling arrived as described and works flawlessly in our testing rig.

Anonymous

Mar 10, 2026

Rating: 4/5

Good value for money

Solid construction and heavy-duty feel. It handles the torque requirements of our conveyor system well. Delivery from Shanghai was faster than expected. Only minor issue was the packaging could be slightly more robust.

Anonymous

Mar 08, 2026

Rating: 5/5

Exact replacement part

Needed a specific size for a legacy machine. This KC6018 model matched perfectly. The black oxide finish looks professional and seems to offer good corrosion resistance.

Anonymous

Mar 06, 2026

Rating: 4/5

Sturdy and well-made

The gear teeth are cut precisely. We use these in our fabrication shop for various motor setups. Great product overall, just ensure you measure your shaft diameter carefully before ordering.

Anonymous

Mar 04, 2026

Rating: 5/5

Perfect fit for our industrial pump

We ordered the KC6018 to replace an old coupling on a water pump. The machining quality is excellent, and the bore tolerance was spot on. Installation was straightforward with the provided chain.

Anonymous

Mar 04, 2026

Rating: 5/5

Reliable performance

Been running this coupling for three months now in a dusty environment. No signs of wear on the sprockets or the chain yet. Very satisfied with the durability.

5 FAQ

Q: What is the maximum misalignment this coupling can tolerate?

A: The KC series chain couplings can typically accommodate angular misalignment up to 1.5 degrees and parallel misalignment up to 0.3mm, depending on installation conditions.

Q: Is lubrication required after installation?

A: Yes, regular lubrication of the chain and sprocket teeth is recommended to ensure long service life and smooth operation. Please refer to the manual for grease specifications.

Q: Does this coupling come with the roller chain included?

A: Yes, the KC6018 package includes both sprocket hubs and the double roller chain required for assembly.

Q: Can this be used in high-temperature environments?

A: Standard carbon steel models are suitable for temperatures up to 120°C. For higher temperatures, please contact us for specialized material options.

Q: Do you offer custom bore sizes if my shaft is non-standard?

A: We primarily stock standard metric bores. However, for large volume orders, we can discuss custom machining options. Please reach out to our sales team directly.

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