Centaflex 50A coupling CF-A-050-0-50 is one of the most popular and versatile OEM couplings in the CENTAFLEX A series — a proven solution for construction machinery, industrial engines, and marine systems worldwide.
Developed and produced by CENTA Germany, it combines torsional flexibility, vibration damping, and alignment tolerance in a compact, maintenance-free design.
Used by numerous engine and equipment manufacturers, this element is widely installed in excavators, compressors, forklifts, concrete pumps, agricultural machines, generator sets, and small marine drives.Its 50 Shore natural-rubber compound ensures optimal damping in vibration-sensitive applications, protecting both the engine and driven components.
Technical Specifications
• Nominal torque (TKN): 0.7 kNm
• Maximum torque (TKmax): 2.1 kNm
• Continuous vibratory torque (TKW): 0.3 kNm
• Maximum speed: 4000 rpm
• Temperature range (natural rubber): –45 °C to +80 °C
• Shore hardness: 50 Shore A
• Connection type: Type 0 – bolt connection
• ATEX certification: available on request
• Maximum torque (TKmax): 2.1 kNm
• Continuous vibratory torque (TKW): 0.3 kNm
• Maximum speed: 4000 rpm
• Temperature range (natural rubber): –45 °C to +80 °C
• Shore hardness: 50 Shore A
• Connection type: Type 0 – bolt connection
• ATEX certification: available on request
Why the Centaflex A 50A Became the Industry Standard
The CF-A-50’s success lies in its balance between performance and size.
It can handle medium torque levels while maintaining high elasticity — absorbing torsional vibrations, misalignment, and shocks that occur during variable load operation.
This makes it especially suitable for equipment with frequent starts, stops, or load fluctuations.
It can handle medium torque levels while maintaining high elasticity — absorbing torsional vibrations, misalignment, and shocks that occur during variable load operation.
This makes it especially suitable for equipment with frequent starts, stops, or load fluctuations.
Many OEM engine and machinery manufacturers specify CENTAFLEX 50A couplings as standard factory installations because they provide:
• Proven reliability under mechanical and thermal stress
• High vibration damping for operator comfort and noise reduction
• Compact mounting dimensions and easy assembly
• Maintenance-free operation over a long service life
• High vibration damping for operator comfort and noise reduction
• Compact mounting dimensions and easy assembly
• Maintenance-free operation over a long service life
Applications and Compatibility
The CF-A-50-0-50 coupling is commonly found in:
• Construction machinery (excavators, loaders, compaction units)
• Industrial generator sets and pumps
• Agricultural and forestry machinery
• Hydraulic power units and compressor drives
• Marine auxiliary drives and small propulsion systems
• Mobile machinery with diesel or hybrid power sources
• Construction machinery (excavators, loaders, compaction units)
• Industrial generator sets and pumps
• Agricultural and forestry machinery
• Hydraulic power units and compressor drives
• Marine auxiliary drives and small propulsion systems
• Mobile machinery with diesel or hybrid power sources
Fitment Type
Type 0 (Bolt Connection) – CENTA’s axial-radial mounting system ensuring stable installation and consistent torque transfer.
This standard fitment is preferred by OEMs due to its balance of rigidity, precision, and minimal maintenance requirements.
This standard fitment is preferred by OEMs due to its balance of rigidity, precision, and minimal maintenance requirements.
OEM Manufacturing Quality
Produced exclusively in Germany under CENTA’s ISO-certified processes, each CF-A-50-0-50 coupling element is tested for mechanical integrity, compound quality, and torsional performance.
Genuine CENTA OEM parts guarantee:
• Precise torsional stiffness and TVA-calibrated damping performance
• Dimensional accuracy and perfect alignment fit
• Extended service life and resistance to fatigue or cracking under load
Genuine CENTA OEM parts guarantee:
• Precise torsional stiffness and TVA-calibrated damping performance
• Dimensional accuracy and perfect alignment fit
• Extended service life and resistance to fatigue or cracking under load
Advantages Over Non-Original Replacements
Aftermarket copies may look similar but rarely replicate the dynamic stiffness or compound behavior of the original.
Using a non-OEM coupling in critical systems such as construction engines or marine auxiliaries can lead to:
• Vibration increase and structural resonance
• Shaft misalignment and bearing wear
• Unplanned downtime or costly repairs
Using a non-OEM coupling in critical systems such as construction engines or marine auxiliaries can lead to:
• Vibration increase and structural resonance
• Shaft misalignment and bearing wear
• Unplanned downtime or costly repairs
The original CENTAFLEX 50A coupling ensures equipment uptime, operator comfort, and mechanical reliability across thousands of installations globally.
Identification and Patents
All authentic CENTAFLEX A couplings carry D.B.P. 2019608 and JAP.Pat. 778322 markings — proof of OEM design and patent protection.
These markings verify that your coupling is a genuine CENTA Germany product. Learn more in our technical article available under BLOG : Understanding D.B.P. 2019608 and JAP.Pat. 778322 on your Centaflex A Coupling.
These markings verify that your coupling is a genuine CENTA Germany product. Learn more in our technical article available under BLOG : Understanding D.B.P. 2019608 and JAP.Pat. 778322 on your Centaflex A Coupling.
Further Documentation
Availability and Ordering
AWELASTIC.com supplies only new, original OEM CENTA couplings from German stock with express worldwide shipping and professional B2B support.
Product code: CF-A-050-0-50 | Type 0 (bolt connection) | Material: Natural Rubber 50 Shore A | Origin: Germany.
Product code: CF-A-050-0-50 | Type 0 (bolt connection) | Material: Natural Rubber 50 Shore A | Origin: Germany.
Keywords
Centaflex 50A coupling; CF-A-050-0-50; 50A coupling; OEM Centaflex Germany; 2019608; 778322; Centaflex bolt connection; Centaflex A 50 Shore; CENTA flexible coupling A 50; construction machinery coupling; generator coupling; marine coupling; original vs copy Centaflex.
Additional information
| Weight | 1.68 kg |
|---|---|
| Dimensions | 25 × 25 × 10 cm |
| Centaflex A Type | |
| Centaflex A Size | |
| Centaflex A Shore | 50 |
| Material | |
| Temperature Range | –45 °C to +80 °C |
| Manufacturer | |
| Country of origin | Germany |
| Condition | OEM New |
Shipping
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🔍 Track delivery progress in real time
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