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Home / Connectors and Fasteners / Bojia LB Bellows Coupling for CNC Lathe Servo - High Torque Elastic Aluminum Alloy Coupling

Attributes

Brand -
Category Industrial Small Parts / Connectors and Fasteners
Origin -
Material Aluminum Alloy
Maximum Torque 50 Nm
Maximum Speed 10,000 RPM
Shaft Diameter 5mm - 20mm
Overall Length 45mm
Outer Diameter 30mm
Operating Temperature -20°C to 80°C
Surface Finish Anodized
Connection Type Clamping Screw
Country of Origin China

5 reviews

A

Anonymous

Apr 19, 2026

Rating: 5/5

High quality build

Aluminum feels solid and lightweight. Noticed less vibration after swapping out the old coupling.

A

Anonymous

Mar 09, 2026

Rating: 5/5

Perfect for my CNC upgrade

Fits perfectly on my lathe servo motor. The build quality is excellent and installation was straightforward.

A

Anonymous

Feb 18, 2026

Rating: 5/5

Zero backlash

Precision is key for my projects. This coupling maintains alignment without any noticeable backlash.

A

Anonymous

Feb 16, 2026

Rating: 5/5

Fast shipping

Arrived early and well packaged. No damage during transit and ready to install immediately.

A

Anonymous

Feb 05, 2026

Rating: 4/5

Good value

Works well for the price. The set screws were a bit tight initially but loosened up after use.

5 FAQ

Q: What is the maximum misalignment angle?

A: This coupling can accommodate an angular misalignment of up to 1 degree.

Q: Does this come with installation screws?

A: Yes, the package includes the necessary clamping screws for installation.

Q: Can it handle exposure to cutting oil?

A: The anodized finish provides protection against mild oil exposure, but regular cleaning is recommended.

Q: What is the warranty period?

A: This product comes with a standard 12-month manufacturer warranty.

Q: Is this compatible with NEMA 23 motors?

A: Compatibility depends on the shaft diameter. Please check your motor shaft size against our diameter range.

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