A
Anonymous
Mar 26, 2026
Rating: 5/5
Exactly as described
The stainless steel option is great for corrosive environments. No rust so far.
Description
This flexible motor coupling connects shafts to transmit torque while accommodating misalignment in industrial machinery. Constructed from 45 steel, it features a single diaphragm design with a keyway for secure attachment. The unit is engineered for durability in demanding mechanical applications. Regular inspection of the diaphragm and keyway fit is recommended to maintain optimal performance.
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | 45# Steel / Stainless Steel |
| Coupling Type | Single/Double Disc Elastic |
| Bore Diameter | 10mm to 50mm |
| Rated Torque | 50 N.m to 500 N.m |
| Maximum Speed | 3000 to 6000 RPM |
| Keyway Standard | GB/DIN/ISO Included |
| Surface Finish | Black Oxide or Polished |
| Operating Temperature | -20°C to 80°C |
| Misalignment Compensation | Angular and Parallel |
| Package Weight | 0.5 kg to 2.0 kg |
5 reviews
A
Anonymous
Mar 23, 2026
Rating: 5/5
Reliable coupling
Been running for 3 months without vibration issues. Highly recommend for industrial motors.
A
Anonymous
Feb 28, 2026
Rating: 4/5
Good value
Works well for the price. Had to file the keyway slightly for a smoother fit but overall satisfied.
A
Anonymous
Feb 06, 2026
Rating: 4/5
Good quality steel
Solid construction and feels durable. Shipping took a bit longer than expected but worth the wait.
A
Anonymous
Jan 24, 2026
Rating: 5/5
Perfect for my pump setup
Fits perfectly on the motor shaft. Keyway was precise and installation was straightforward.
5 FAQ
Q: Difference between DJM and ZJM?
A: DJM is made of 45# steel, while ZJM is stainless steel for better corrosion resistance.
Q: Can I request specific bore sizes?
A: Yes, please contact us directly for custom boring specifications before ordering.
Q: Does this require lubrication?
A: No, the elastic element design is maintenance-free and does not require lubrication.
Q: What is the max RPM for the DJM model?
A: Typically up to 6000 RPM depending on the specific size and balance grade.
Q: Is the keyway pre-cut?
A: Yes, standard keyways are included and pre-cut as per the specification sheet.
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