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The 71902 ACE/P4A is a super precision angular contact ball bearing with a compact size of 15mm by 28mm by 7mm, crafted from high-quality chrome steel. It features a 25° contact angle for efficient load handling and can spin at speeds up to 106,000 RPM.
Its open design and phenolic cage ensure smooth operation and durability, while the P4 tolerance class guarantees high precision. The bearing is preloaded and available in matched sets for enhanced performance.
This model is interchangeable with SKF bearings, making it a versatile choice for replacements. Ideal for applications like machine tools or high-speed spindles where precision and speed are crucial.
Weighing just 0.015kg, it’s lightweight yet robust, and operates well in temperatures from -30°C to 110°C. Compliant with industry standards for reliable use.
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Engineered for Precision: 71902 ACE/P4A Bearing
71902 ACE/P4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under radial loads up to 691 lbf.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 106,000 rpm, it excels in high-speed scenarios.
71902 ACE/P4A Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its P4 tolerance class guarantees consistent precision, making it ideal for demanding tasks.
The open design allows for easy lubrication, ensuring long-lasting performance.
Its compact size (15 mm×28 mm×7 mm) makes it suitable for space-constrained applications.
Common Applications of 71902 ACE/P4A Bearing
71902 ACE/P4A Bearing is widely used in machine tools, where its high 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, 71902 ACE/P4A Bearing supports articulated arms, providing smooth movement with minimal friction. Its phenolic cage material helps reduce weight while maintaining stability during high-speed operations.
For dental drills and other medical instruments, 71902 ACE/P4A Bearing offers reliable performance due to its chrome steel construction. The P4 tolerance class ensures consistent precision, which is essential for delicate procedures.
Industrial Uses of 71902 ACE/P4A Bearing
71902 ACE/P4A Bearing is a go-to choice for CNC machinery, where its matched arrangement capability enhances alignment accuracy. The 25° contact angle effectively handles combined radial and axial loads.
In packaging equipment, 71902 ACE/P4A Bearing’s high-speed rating (up to 106,000 rpm) ensures efficient production lines. Its compact size (15 mm×28 mm×7 mm) makes it ideal for space-constrained applications.
What Makes 71902 ACE/P4A Bearing a Preferred Choice?
71902 ACE/P4A Bearing stands out in aerospace applications due to its lightweight phenolic cage and superior dynamic load capacity (691 lbf). The ABEC-7 tolerance guarantees precision even under extreme conditions.
For 3D printers, 71902 ACE/P4A Bearing’s low friction and high-speed capability contribute to smoother print quality. Its compatibility with SKF equivalents also simplifies maintenance and replacements.
Built for Heavy-Duty Use: 71902 ACE/P4A Bearing
71902 ACE/P4A Bearing excels in electric motors, where its preload option reduces vibration and noise. The chrome steel balls and rings provide durability under continuous operation.
In optical equipment like lens positioning systems, 71902 ACE/P4A Bearing’s precision ensures repeatable adjustments. The temperature range (-30° to 110 °C) allows reliable performance in various environments.
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