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The 71905 CD/P4A is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle for handling combined radial and axial loads efficiently.
With a dynamic radial load capacity of 1521 lbf, it spins smoothly at speeds up to 56,000 RPM. The open design allows easy lubrication, while the phenolic cage ensures quiet operation and durability.
This bearing meets P4 (ABEC-7) tolerance standards for exceptional precision. Ideal for high-speed applications like machine tool spindles or precision instruments where accuracy is crucial.
Weighing just 0.042kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial environments. Interchangeable with SKF bearings for easy replacement.
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Why Choose 71905 CD/P4A Bearing for Precision Tasks?
71905 CD/P4A Bearing features a 15° contact angle, optimising performance in angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 1521 lbf.
The phenolic cage maintains ball alignment, reducing friction and enhancing precision.
With a maximum speed of 56,000 rpm, it excels in high-speed scenarios.
71905 CD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class guarantees consistent accuracy for demanding tasks.
Industrial Uses of 71905 CD/P4A Bearing
71905 CD/P4A Bearing is commonly used in high-speed machine spindles, where its 15° contact angle ensures precise radial and axial load handling. The open design and phenolic cage make it suitable for applications requiring minimal friction and heat generation.
In automotive applications, 71905 CD/P4A Bearing supports components like turbochargers and transmission systems, offering reliable performance under high rotational speeds. Its P4 tolerance class ensures consistent operation in demanding conditions.
For robotics and automation, 71905 CD/P4A Bearing provides the accuracy needed for robotic arms and CNC machines. The chrome steel construction enhances durability, while the lubricated design reduces maintenance needs.
Where Is 71905 CD/P4A Bearing Used?
You’ll often find 71905 CD/P4A Bearing in precision instruments like dental drills and optical equipment, where its high-speed capabilities are crucial. The ABEC-7 tolerance ensures smooth operation in sensitive environments.
In consumer electronics, 71905 CD/P4A Bearing is used in devices like high-performance fans and small motors. Its compact size and lightweight design make it ideal for space-constrained applications.
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