Centa Centaflex M Flexible Couplings – Vibration-Damping Marine Couplings for Yachts (M-127 / M-160, up to 500 Nm, up to 4500 rpm)
The Centaflex M Flexible Coupling is designed for yachts where vibration attenuation is crucial. It providessmooth and efficient torque transmission, including in conditions where the rubber element experiences wear.The coupling range is suitable for engines in the 40 hp to 80 hp class (depending on propeller shaft speed) andhas been used on motorboats and sailing yachts for decades.
The design includes a turning retainer intended to maintain vessel control if the rubber element breaks. TheCentaflex M series is available in multiple shaft diameter configurations and torque capacities up to 500 Nm.
Key Features
- Flexible marine coupling for vibration attenuation
- Efficient torque transmission even with rubber element wear
- Turning retainer concept to maintain vessel control if the rubber element breaks
- Suitable for yachts and small craft propulsion systems
- Engine application range: 40 hp to 80 hp (depending on propeller shaft speed)
- Torque capacity up to 500 Nm (model dependent)
Technical Data (Type Overview)
| Type | Shaft Diameter | L | øR | O | S | øD | Max Torque | Max RPM | Art. Code |
|---|---|---|---|---|---|---|---|---|---|
| M-127 | 25–35 mm | 89 mm | 153 mm | 11 mm | 53 mm | 73 mm | 250 Nm | 4500 rpm | 94701 |
| M-127 | 25 mm | 89 mm | 153 mm | 11 mm | 53 mm | 73 mm | 250 Nm | 4500 rpm | 94701.025YAN |
| M-127 | 30 mm | 89 mm | 153 mm | 11 mm | 53 mm | 73 mm | 250 Nm | 4500 rpm | 94701.030YAN |
| M-160 | 25–40 mm | 120 mm | 195 mm | 13 mm | 79 mm | 100 mm | 500 Nm | 3500 rpm | 94702 |
Available Coupling Items (Single Piece)
| Item | Product Number | EAN | Brand | Unit |
|---|---|---|---|---|
| Centaflex M127 Excl. Hub Connection 4″ | 94701.001 | 8720193074450 | Centa | 1 Piece |
| Centaflex M127 Excl. Hub Connection Volvo | 94701.002 | 8720193074467 | Centa | 1 Piece |
| Centaflex M127 Excl. Hub Connection 4″ Yanmar | 94701.003 | 8720763500303 | Centa | 1 Piece |
| Centaflex M127 Incl. Hub Yanmar 4″ Hub ø35 mm | 94701.035YAN | 8720193036410 | Centa | 1 Piece |
| Centaflex M160 Excl. Hub Connection 4″/5″ | 94702.001 | 8720193074474 | Centa | 1 Piece |
| Centaflex M160 Excl. Hub Connection Paragon | 94702.PARAGON | 8720193036427 | Centa | 1 Piece |
Typical Applications
- Yacht propulsion systems requiring vibration attenuation
- Motorboats and sailing yachts
- Marine installations where smooth torque transmission is required








