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CF-RS

Product catalog summary

Introduction
The CENTAFLEX-R is a highly flexible roller coupling designed for heavy-duty applications, particularly in marine and industrial drives. It features a progressive torsional characteristic, offering low stiffness at low torque to prevent gear chatter.

Key Features and Advantages

Progressive torsional characteristic with low stiffness at low torque and moderate stiffness at high torque.
Fail-safe design with no bonding, using rubber in compression.
Temperature-resistant elastomer CENTALAN, suitable for high ambient temperatures over 100°C (212°F).
Special HD rubber rollers for oil resistance in heavy-duty applications.
High energy loss allowance due to intensive ventilation.
Suitable for blind fitting in bell housings and easy maintenance.
Protected by international patents.

Technical Data
The document provides a table of rated torque values for different sizes and applications, emphasizing the need for torsional and dimensional compatibility, which is the responsibility of the drive train assembler.

Design and Variations

Standard flange designs based on SAE J620c flywheels, with custom sizes available.
Accommodates various shaft designs, including splined, tapered, and parallel shafts.
Uni-directional couplings based on CCW rotation, with options for CW rotation in larger sizes.
Optional removal of the fail-safe feature.

Applications
The CENTAFLEX-R is suitable for flange-mounted units or well-aligned independently mounted units on rigid mounts. It is part of the CENTA family, which includes a range of marine drive couplings.

Company Overview
CENTA is a leading producer of flexible couplings for industrial, marine, and power-generating applications, with a global presence and over 15 million couplings installed since 1970.

Catalog excerpts

POWER TRANSMISSION LEADING BY INNOVATION HIGHLY FLEXIBLE COUPLINGS FOR HEAVY DUTY APPLICATIONS

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CENTAFLEX®-R The CENTAFLEX-R is a simple robust ROLLER coupling with a progressive torsional characterisation. Ideal for boat drives, providing a very low stiffness at low torque (& speed) which shifts the torsional resonance below idle speed and prevents gearhammer (gear chatter). And there are also numerous applications for this kind of coupling in many different industrial drives. Using the rubber-in-compression principle with rubber rollers between cams, the coupling offers high reliability as it is free from a bonding process common in couplings of equal performance. The associated cams...

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Application examples: Design variations Standard flange designs are based on SAEJ620c flywheels but special sizes are available upon request. All shaft designs can be accomodated as the hubs are made of high grade steel and splined, tapered (including oil injection fitted) and parallel shafts can be designed. Detailed drawings of customized coup I ings for all important marine gear series are available on request. Fixed or floating splined input shafts can be accomodated, as the floating spline design has an integral axial location with thrust capacity. Both designs are of the same overall dimensions. Couplings...

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For small gears with splined input shaft, on which the coupling can float axially, a steelplate on the outer flange holds the coupling together axially (sizes 94, 114, 134, 136) If required by the torsional situation, a steel disc as additional secondary inertia can be added. Coupling design for exchange of rollers, normal working conditions. This design is also suitable for free standing, non flanged gears, provided the engine is on rigid mounts and well aligned. Exchange of rollers. The side plate of the output hub can optionally be bolted on and off. This feature allows easy and quick change...

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CENTA - the complete range of advanced flexible couplings and shafts for all kinds of boat drives. CENTA Couplings for flange mounted gears CENTAMAX-S linear disc type coupling T = 0,25 - 40 kNm CENTAFLEX-DS progressive dual stage coupling T = 0,25 - 2 kNm CENTAFLEX-R progressive roller coupling T = 0,25 - 15 kNm Free standing gears - close coupled CENTAMAX-B for slight misalignment T = 0,25 - 20 kNm CENTAX-N for reasonable misalignment T = 1,1 - 25 kNm CENTAX-L for substantial misalignment T = 2 - 90 kNm CENTA Couplings for remote mounted gears, V-drives, stern-drives and water jets CENTAX-V...

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HEAD OFFICE CENTA Antriebe Kirschey GmbH Bergische Strasse 7 42781 Haan/Germany +49-2129-9120 Phone +49-2129-2790 Fax [email protected] www.centa.info CENTA POWER TRANSMISSION LEADING BY INNOVATION CENTA is the leading producer of flexible couplings for industrial, marine and power generating applications. Worldwide. A family business with headquarters in Haan, Germany Subsidiaries in 10 major industrial countries. Agencies in 25 other countries. Worldwide after-sales service with over 300 staff. Our success: over 15 million CENTA couplings installed since 1970. WOLRD WIDE NETWORK Australia ^ Austria Belgium Bulgaria Brazil Canada...

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