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The 71901 ACE/P4A is a super precision angular contact ball bearing, measuring 12mm by 24mm by 6mm. Made from chrome steel with a phenolic cage, it’s designed for high-speed applications, reaching up to 123,000 RPM.
With a 25° contact angle, it handles both radial and axial loads efficiently. The open design allows for easy lubrication, ensuring smooth operation in temperatures from -30°C to 110°C.
Its P4 tolerance class (ABEC-7) guarantees exceptional accuracy, making it ideal for precision machinery like spindles or dental tools. Weighing just 0.01kg, it’s lightweight yet durable.
This bearing is interchangeable with SKF models and can be supplied as a matched set for enhanced performance. Perfect for applications where speed and precision are critical.
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Why Choose 71901 ACE/P4A Bearing for Precision Tasks?
71901 ACE/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with high precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.
With a dynamic radial load capacity of 457 lbf, it performs reliably in demanding applications.
The P4 tolerance class guarantees exceptional accuracy, making it suitable for high-speed operations up to 123,000 rpm.
Its compact size (12 mm×24 mm×6 mm) allows for easy integration into precision machinery.
The open design simplifies lubrication, ensuring consistent performance across a temperature range of -30° to 110°C.
Common Applications of 71901 ACE/P4A Bearing
71901 ACE/P4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle rotation. The open seal type allows for efficient lubrication, extending service life in demanding conditions.
In robotics, 71901 ACE/P4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. Its compact size makes it ideal for space-constrained applications without compromising performance.
For medical imaging devices, 71901 ACE/P4A Bearing’s P4 tolerance class ensures minimal vibration, crucial for clear diagnostic results. The chrome steel construction also resists wear in continuous operation.
Automotive applications like electric power steering benefit from 71901 ACE/P4A Bearing’s dynamic load capacity. Its matched arrangement option further enhances stability in high-precision systems.
In 3D printers, 71901 ACE/P4A Bearing’s low friction and high-speed capability contribute to precise layer deposition. The lightweight design also reduces moving part inertia for better print quality.
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