Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Couplings
Origin	-
Material	High-Carbon Steel
Surface Treatment	Black Oxide Coating
Shaft Diameter Range	3mm - 10mm
Max Torque Capacity	5.5 Nm
Operating Angle	Up to 45 Degrees
Bearing Type	Needle Roller Bearing
Application	RC Cars, Drones, Small Machinery
Package Weight	45 grams
Compatibility	Universal Fit for Standard Shafts
Warranty	1 Year Manufacturer Warranty

6 reviews

Anonymous

Mar 30, 2026

Rating: 5/5

Excellent durability

I've been running this in a high-speed test rig for two weeks straight. No signs of wear or heating. The needle bearings are top-notch.

Anonymous

Mar 28, 2026

Rating: 4/5

Good quality but tight fit

Great build quality and the black oxide finish looks professional. It was a bit tight initially requiring some break-in time, but now it spins smoothly.

Anonymous

Mar 22, 2026

Rating: 5/5

Best miniature joint I've found

I have tried several brands, and this one offers the best balance of price and performance. The angular movement is smooth even at extreme angles.

Anonymous

Mar 13, 2026

Rating: 5/5

Exactly as described

Small, compact, and very precise. It solved the alignment issue I was having with my motor setup. Delivery was fast too.

Anonymous

Mar 08, 2026

Rating: 4/5

Solid component

Works well for my RC car drivetrain. The only reason for 4 stars is that the set screws could be slightly longer for better grip on smooth shafts.

Anonymous

Mar 07, 2026

Rating: 5/5

Perfect for my drone project

The precision on this joint is incredible. It fits perfectly on my 5mm shafts and handles the torque without any wobble. Highly recommended for DIY robotics.

5 FAQ

Q: Does this come with set screws?

A: Yes, each unit includes two high-strength set screws per hub for secure shaft attachment.

Q: Is this suitable for outdoor use in wet conditions?

A: While the black oxide coating provides some corrosion resistance, we recommend additional lubrication and protection if used in consistently wet environments.

Q: Can I use this with a 12mm shaft?

A: No, the maximum supported shaft diameter for this specific miniature model is 10mm. Using a larger shaft may damage the coupling.

Q: How often does the bearing need lubrication?

A: The needle roller bearings come pre-lubricated. For heavy-duty continuous use, we suggest re-lubricating every 50 hours of operation.

Q: What is the maximum operating speed for this coupling?

A: This coupling is rated for speeds up to 10,000 RPM, depending on the specific shaft alignment and lubrication conditions.

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