A
Anonymous
Mar 07, 2026
Rating: 5/5
Robust build quality
The anodizing is thick and the machining tolerances are spot on. Highly recommend.
Description
Aluminum Alloy Single/Double Disc Coupling for Servo Motors, Elastic Variable Bore Encoder Motor Flange Keyway Connector
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Aluminum Alloy 7075 |
| Surface Treatment | Black Anodized |
| Coupling Design | Single/Dual Diaphragm |
| Shaft Bore Range | 5mm to 20mm |
| Rated Torque | 10 Nm |
| Max Rotational Speed | 10,000 RPM |
| Torsional Stiffness | High Rigidity |
| Parallel Misalignment | ±0.2 mm |
| Operating Temperature | -20°C to 80°C |
| Package Weight | 0.15 kg |
5 reviews
A
Anonymous
Feb 26, 2026
Rating: 4/5
Good value
Works well for my robotic arm. Set screws could be slightly higher grade but overall satisfied.
A
Anonymous
Feb 25, 2026
Rating: 5/5
Excellent precision
Used this for a CNC spindle upgrade. Zero backlash and very smooth operation.
A
Anonymous
Jan 31, 2026
Rating: 5/5
Perfect fit
Ordered custom bore sizes and they matched perfectly with my encoder shaft.
A
Anonymous
Jan 26, 2026
Rating: 5/5
Reliable component
We use these in our automated assembly lines. No failures so far after 6 months.
5 FAQ
Q: Is it compatible with NEMA 23 motors?
A: Yes, provided the shaft diameter matches the bore size selected for the coupling.
Q: What is the maximum angular misalignment?
A: This model supports up to 1 degree of angular misalignment comfortably.
Q: Does this coupling require lubrication?
A: No, the diaphragm design is maintenance-free and does not require lubrication.
Q: Can I request specific bore sizes?
A: Yes, please contact us before ordering to specify your required shaft diameters.
Q: Is the keyway standard or optional?
A: Keyway options are available. Please select the keyway variant during checkout if needed.
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
