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The 71905 FEGA/HCP4A is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, measuring just 9mm wide. Made from chrome steel with ceramic balls, it offers smooth operation and durability.
It handles radial loads up to 1186 lbf and spins at speeds up to 71,500 RPM, making it suitable for high-performance applications. The phenolic cage ensures stability and reduces friction.
With an 18° contact angle and extra light preload, it provides precise movement and low noise. The open design allows for easy lubrication and maintenance.
Ideal for machine tools, spindles, or other high-speed equipment where accuracy is key. It can be used in back-to-back, face-to-face, or tandem arrangements for versatile setups. Weighing only 0.036kg, it’s lightweight yet robust.
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Performance Features of 71905 FEGA/HCP4A Bearing
71905 FEGA/HCP4A Bearing is designed with a precise 18° contact angle, optimising load distribution for angular contact applications.
The ceramic balls and chrome steel rings enhance durability while reducing friction during high-speed operation.
With a maximum speed of 71,500 rpm, it delivers smooth performance in demanding conditions.
The phenolic cage ensures stability, keeping the balls aligned for consistent operation.
Its extra-light preload (Class A) minimises vibration, making it suitable for precision tasks.
The open design allows for easy lubrication, maintaining efficiency over time.
71905 FEGA/HCP4A Bearing operates reliably within a temperature range of -30°C to 110°C.
The P4A tolerance class ensures high precision, meeting strict industry standards.
Ideal for Precision: 71905 FEGA/HCP4A Bearing
71905 FEGA/HCP4A Bearing is commonly used in high-speed machine spindles, where its 18° contact angle ensures accurate radial and axial load distribution. The ceramic balls reduce friction, making it suitable for precision grinding applications.
In robotics, 71905 FEGA/HCP4A Bearing provides smooth motion control in articulated arms, thanks to its phenolic cage and P4A tolerance class. The extra light preload further enhances positional accuracy in automated systems.
For dental handpieces, 71905 FEGA/HCP4A Bearing’s lubricated design and high-speed capability (up to 71,500 rpm) ensure reliable performance. The chrome steel rings offer durability in sterilisation-friendly environments.
Where Is 71905 FEGA/HCP4A Bearing Used?
You’ll often find 71905 FEGA/HCP4A Bearing in optical equipment like lens positioning systems, where its minimal vibration maintains image clarity. The open seal design allows for easy re-lubrication during maintenance cycles.
In small electric motors, 71905 FEGA/HCP4A Bearing handles combined loads efficiently due to its angular contact design. The metric dimensions make it compatible with compact motor housings across various industries.
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