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Home / Connectors and Fasteners / UNCA/CSCA/CPCA Single-Joint Precision Universal Joint Cross Coupling with Pin and Snap Ring, UNCW Small Coupling
Connectors and Fasteners

Attributes

Brand -
Category Industrial Small Parts / Connectors and Fasteners
Origin -
Material 45# Carbon Steel
Surface Finish Black Oxide Coating
Bore Diameter 5mm - 20mm (Customizable)
Rated Torque 15 Nm - 50 Nm
Max Rotational Speed 4000 RPM
Max Working Angle 45 Degrees
Bearing Style Needle Roller Bearing
Connection Type Pin & Circlip
Model Series UNCA / CSCA / CPCA
Unit Weight 0.15 kg

5 reviews

A

Anonymous

Apr 21, 2026

Rating: 5/5

Durable coupling

Been running for 3 months without issues. Highly recommend for light industrial use.

A

Anonymous

Mar 23, 2026

Rating: 4/5

Good quality steel

Solid build, though shipping took a bit longer than expected. Product itself is great.

A

Anonymous

Mar 17, 2026

Rating: 5/5

Perfect for my CNC setup

Fits perfectly on the 10mm shaft. Smooth operation with no noticeable vibration.

A

Anonymous

Feb 14, 2026

Rating: 4/5

Value for money

Does the job well for the price point. Circlips are sturdy and easy to install.

A

Anonymous

Feb 03, 2026

Rating: 5/5

High precision

Minimal backlash observed. Great for precision applications requiring tight tolerances.

5 FAQ

Q: Is this compatible with stainless steel shafts?

A: Yes, it works with stainless shafts provided the diameter matches the bore size.

Q: Can I use this for high-speed applications above 5000 RPM?

A: We recommend staying within the 4000 RPM limit for optimal lifespan and safety.

Q: What is the hardness of the material?

A: The carbon steel is heat-treated to approximately HRC 45-50.

Q: Does this come pre-lubricated?

A: Yes, it comes with standard grease packed in the needle bearings.

Q: Are replacement circlips available separately?

A: Yes, you can find them under our spare parts section or contact support.

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