A
Anonymous
Apr 01, 2026
Rating: 4/5
Fast Shipping
Product as described. Packaging could be better but item undamaged.
Description
45# Steel DJM Single Diaphragm Coupling with Keyway, Double Diaphragm Coupling, Flexible Motor Connector for High Torque FES
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | 45# Carbon Steel |
| Surface Finish | Black Oxide Coating |
| Rated Torque | 150 N·m |
| Max Speed | 4000 RPM |
| Bore Diameter | 20mm - 50mm |
| Keyway Standard | GB/T 1096 |
| Model Series | FES-DJM |
| Operating Temp | -20°C to 80°C |
| Net Weight | 1.2 kg |
| Application | Servo Motor Connection |
5 reviews
A
Anonymous
Apr 01, 2026
Rating: 5/5
Perfect Fit
Keyway aligned perfectly with our setup. Very precise machining.
A
Anonymous
Feb 17, 2026
Rating: 5/5
Excellent Torque Transfer
Installed on our lathe motor shaft. No slippage under heavy load.
A
Anonymous
Feb 11, 2026
Rating: 4/5
Good Quality Steel
Solid construction and finish. Slight delay in shipping but worth it.
A
Anonymous
Feb 04, 2026
Rating: 5/5
Reliable Performance
Running for 6 months in automated assembly line without issues.
5 FAQ
Q: Can I request a custom bore size?
A: Yes, custom bores are available upon request through customer service.
Q: Does this coupling require regular maintenance?
A: No, this unit is maintenance-free during its operational lifespan.
Q: Is this suitable for high vibration environments?
A: Yes, the diaphragm design helps absorb vibration effectively.
Q: Is the keyway machined on both sides?
A: Yes, the keyway is precision machined into both hubs for alignment.
Q: What is the hardness rating of the steel?
A: The material is treated to approximately HRC 30 for durability.
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