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The 71905 CEGA/HCPA9A is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, designed for high-speed applications. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 1186 lbf.
With an extra light preload and open design, it spins effortlessly at speeds up to 83,000 RPM. The phenolic cage and chrome steel rings provide durability while keeping weight low at just 0.036kg.
This bearing works in temperatures from -30°C to 110°C and comes pre-lubricated for easy use. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile setups.
Ideal for precision machinery like spindles or dental tools where accuracy and speed matter. Its PA9A tolerance class ensures reliable performance in demanding conditions.
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Performance Features of 71905 CEGA/HCPA9A Bearing
71905 CEGA/HCPA9A Bearing is crafted with chrome steel rings and ceramic balls, offering a balance of strength and smooth operation.
Its 15° contact angle ensures efficient handling of combined radial and axial loads.
The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a dynamic radial load capacity of 1186 lbf, it performs reliably in precision applications.
71905 CEGA/HCPA9A Bearing operates at speeds up to 83,000 rpm, making it suitable for high-speed machinery.
Its extra light preload (Class A) ensures minimal resistance and optimal performance.
The open design allows for easy lubrication, extending the bearing’s service life.
It functions within a temperature range of -30°C to 110°C, adapting to various working conditions.
71905 CEGA/HCPA9A Bearing’s universal matching capability enables flexible arrangement options.
Its compact size (25 mm×42 mm×9 mm) makes it ideal for space-constrained applications.
Key Fields for 71905 CEGA/HCPA9A Bearing
71905 CEGA/HCPA9A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for applications demanding smooth operation.
In robotics, 71905 CEGA/HCPA9A Bearing supports articulated arms, providing stability during repetitive movements. Its lightweight phenolic cage helps maintain balance in dynamic applications.
For dental drills, 71905 CEGA/HCPA9A Bearing’s extra light preload allows for precise control at high speeds. The chrome steel rings offer durability in sterilisation processes.
Where Is 71905 CEGA/HCPA9A Bearing Used?
71905 CEGA/HCPA9A Bearing fits well in 3D printers, where its low friction and high-speed capabilities improve print accuracy. The open design allows for easy lubrication maintenance.
In electric motors, 71905 CEGA/HCPA9A Bearing handles radial and axial loads efficiently. Its PA9A tolerance class ensures consistent performance in demanding conditions.
Built for Heavy-Duty Use: 71905 CEGA/HCPA9A Bearing
71905 CEGA/HCPA9A Bearing excels in CNC machining centres, where its high-speed rating supports prolonged operation. The ceramic balls minimise heat generation.
For aerospace applications, 71905 CEGA/HCPA9A Bearing’s temperature range makes it reliable in varying conditions. The universal matching option simplifies installation in complex assemblies.
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