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Home / Couplings / Bojia LB Bellows Coupling CNC Lathe Servo Coupling High Torque Elastic Aluminum Alloy Coupling

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Couplings
Origin -
Material Aluminum Alloy
Coupling Type Bellows Coupling
Application CNC Lathe Servo Systems
Torque Capacity High Torque Transmission
Flexibility Elastic Compensation
Precision Zero Backlash
Surface Finish Anodized
Operating Temperature -20°C to 80°C
Mounting Style Clamp Hub
Brand Bojia

6 reviews

A

Anonymous

Mar 28, 2026

Rating: 5/5

Reliable component

We use these in our workshop for multiple machines. They hold up well under continuous operation and are easy to install.

A

Anonymous

Mar 14, 2026

Rating: 5/5

Excellent vibration damping

The bellows design really helps with misalignment compensation. My machine runs smoother now with less vibration noise.

A

Anonymous

Mar 13, 2026

Rating: 4/5

Solid construction

High quality machining on the hubs. The clamp mechanism is tight and secure. Would recommend checking shaft tolerance before ordering.

A

Anonymous

Mar 12, 2026

Rating: 4/5

Good value for industrial use

Works as expected for high torque applications. The aluminum alloy is lightweight yet durable. Delivery was slightly slower than anticipated.

A

Anonymous

Mar 11, 2026

Rating: 5/5

Great replacement part

Replaced an old worn coupling with this Bojia unit. The difference in precision is immediately noticeable during fine cutting operations.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Perfect fit for my CNC retrofit

Installed this on my lathe servo motor and the performance is excellent. Zero backlash noticed and the build quality feels very solid.

5 FAQ

Q: What shaft diameters does this coupling support?

A: This model supports a range of shaft diameters depending on the specific sub-model selected. Please refer to the size chart in the product images or contact us for custom bore sizing.

Q: What is the maximum operating temperature?

A: The coupling is rated for continuous operation between -20°C and 80°C. Extreme temperatures may affect the elasticity of the bellows.

Q: Can this handle angular misalignment?

A: Absolutely. The bellows element is designed to compensate for angular, parallel, and axial misalignments effectively.

Q: Does it come with screws for the clamp hubs?

A: Yes, all necessary mounting screws and Allen keys are included in the package for immediate installation.

Q: Is this suitable for high-speed spindle applications?

A: Yes, the balanced aluminum alloy construction makes it suitable for high-speed servo applications typically found in CNC lathes.

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