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Home / Connectors and Fasteners / High-Torque Single/Dual Diaphragm Coupling Elastic Connector Zero-Backlash for Stepper Servo Encoder Applications

Attributes

Brand -
Category Industrial Small Parts / Connectors and Fasteners
Origin -
Material High-Grade Carbon Steel
Outer Diameter 150 mm
Connection Type Bolted Flange
Hub Design Back-to-Back Dual Hub
Keyway Standard ISO R773
Surface Coating Zinc Plated
Unit Weight 4.8 kg
Rated Torque 2500 Nm
Bolt Circle Diameter 120 mm
Max Operating Temp 120°C

5 reviews

A

Anonymous

Mar 31, 2026

Rating: 4/5

Sturdy Construction

Heavy but fits well. Bolts not included.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Reliable Component

Second time ordering. Consistent quality.

A

Anonymous

Feb 26, 2026

Rating: 5/5

Excellent Torque Transfer

Installed on industrial mixer. No slip.

A

Anonymous

Feb 08, 2026

Rating: 5/5

Precise Keyway

Keyway alignment was perfect.

A

Anonymous

Jan 24, 2026

Rating: 3/5

Good Product, Late Delivery

Coupling works fine but shipping was slow.

5 FAQ

Q: Does it come with keys?

A: No, keys must be purchased separately.

Q: What bolt size fits this flange?

A: M10 bolts are recommended for this flange pattern.

Q: Can this be used outdoors?

A: Yes, zinc plating provides basic corrosion resistance.

Q: Is the bore size customizable?

A: Yes, please contact us for specific bore machining.

Q: What is the maximum RPM?

A: Rated for up to 3000 RPM under balanced load.

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