JFK compensation rings
JFK Locking rings
- Play-free bearing mounting
- Various diameters and thicknesses
JFK compensation rings, also known as compensation springs, are mechanical components designed for play-free mounting of ball bearings, ensuring assembly precision, stability, and proper load distribution within the system. Thanks to their controlled elasticity, they compensate for dimensional tolerances and axial variations between mating components, helping maintain the correct bearing preload and improving the dynamic performance of the application.
The use of compensation rings allows higher operating speeds, reduced noise and vibration, improved wear resistance, and extended component service life, even under demanding operating conditions or continuous-duty cycles.
Made of high-performance spring steel, JFK compensation rings are available in different diameters and thicknesses to suit various application requirements, ensuring precision, reliability, and easy installation.
Performances
Design and performance features
Controlled elasticity in spring steel for dimensional tolerance compensation and consistent preload over time.
Play-free bearings mounting
They enable play-free axial mounting of ball bearings, ensuring the correct preload and assembly precision.
Controlled for tolerance compensation
The controlled elasticity of spring steel compensates for dimensional tolerances and axial variations between mating components, adapting to operating conditions.
High-performance spring steel
Made of spring steel to ensure elasticity, fatigue resistance, and long operating life, even under demanding conditions.
Reduction of noise, vibration and wear
Eliminating axial clearance reduces noise and vibration, improves wear resistance, and extends the service life of the bearings and the overall application.
Availability
Available in a wide range of diameters and thicknesses to suit different application requirements and different types of ball bearings.
Mounting
Installation of compensation rings
The compensation ring is positioned between the locknut (or the housing shoulder) and the bearing face, before final tightening. The ring thickness should be selected according to the residual axial clearance measured during assembly, to achieve the specified preload without overloading the bearing.
Mounting methods
- Measurement of axial clearanceBefore installing the ring, measure the residual axial clearance between the bearing and the mating component to select the most suitable compensation ring thickness.
- Positioning and clampingInsert the ring into the designated seat and proceed with the final tightening of the locknut or locking component, checking that the resulting preload is within the values specified by the bearing manufacturer.
Technical data
- Available thicknesses
- From 0.1 mm to 1.0 mm, in increases of 0.05–0.1 mm
- Material
- Spring steel (type C75/C100)
Applications
Applications
Components and application support for every industrial environment.
Electric motors
Play-free bearing mounting ensures quiet operation and reduced vibration, which are essential for the quality and service life of electric motors.
Gearboxes and transmissions
The correct bearing preload, ensured by compensation rings, improves dynamic performance and service life in gearboxes and drive systems.
Machine tools
The assembly precision ensured by compensation rings is essential for machine tools, where mounting quality directly affects machining accuracy.Automotive and industrial plants
Applications involving continuous-duty cycles and demanding operating conditions. Reduced noise and vibration, along with extended component service life, are key advantages in these sectors.Agriculture
Reliable components for heavy loads, dirt, moisture and reduced maintenance in agricultural machinery.
Gate automation systems
Guides, actuators and sliding components for reliable, quiet automatic gate operation.
Industrial automation
Precision, repeatability and operational continuity for automated lines, robots, actuators and handling systems.Contacts
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