Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Couplings
Origin	-
Model Number	DBN45
Material	Carbon Steel
Coupling Type	Diaphragm Clamping
Configuration	Single/Double Diaphragm Options
Connection Method	Keyway with Clamping Screws
Torque Capacity	High Torque Transmission
Misalignment Compensation	Angular and Parallel
Surface Treatment	Black Oxide Finish
Operating Temperature	-20°C to +120°C
Application	Servo Motors and Stepper Systems

6 reviews

Anonymous

Mar 29, 2026

Rating: 4/5

Solid construction

Very robust steel construction. I opted for the double diaphragm version for extra flexibility. Installation was straightforward, though the instructions could be slightly more detailed.

Anonymous

Mar 25, 2026

Rating: 5/5

Reliable component

We have installed ten of these units in our production line. No failures so far after three months of continuous operation. The clamping type makes maintenance easy.

Anonymous

Mar 24, 2026

Rating: 5/5

Great torque transmission

Using this in an industrial automation project. It handles the high torque requirements effortlessly with zero backlash. Highly recommended for serious machinery.

Anonymous

Mar 22, 2026

Rating: 4/5

Good but heavy

Does exactly what it is supposed to do. The only downside is that it is a bit heavier than aluminum alternatives, but that is expected given the steel material.

Anonymous

Mar 19, 2026

Rating: 5/5

Perfect fit for my CNC setup

The DBN45 coupling arrived quickly and the build quality is excellent. The keyway fits perfectly on my motor shaft, and the clamping mechanism holds tight without slipping under high load.

Anonymous

Mar 08, 2026

Rating: 5/5

Excellent value

Compared to other brands, this offers the same performance at a better price point. The carbon steel material feels durable and the finish protects against minor corrosion.

5 FAQ

Q: Can this handle axial misalignment?

A: While primarily designed for angular and parallel misalignment, the diaphragm design allows for minimal axial movement. For significant axial issues, we recommend a different coupling series.

Q: What is the maximum bore size available for the DBN45 model?

A: The DBN45 supports bore sizes ranging from 10mm up to 25mm. Please check the specific sizing chart in the product manual for tolerance details.

Q: How often should the clamping screws be retightened?

A: We recommend checking the clamping screw torque after the first 24 hours of operation and then during regular scheduled maintenance intervals every 6 months.

Q: Is the keyway standard metric or imperial?

A: The keyway dimensions follow standard metric specifications (DIN 6885). Custom imperial keyways can be requested via our custom order form.

Q: Does this coupling come with the clamping screws included?

A: Yes, the DBN45 package includes all necessary high-strength clamping screws for immediate installation.

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