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The 71904 CDGA/P4A is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and is designed for high-speed operations up to 100,000 RPM.
With a dynamic radial load capacity of 1361 lbf, this bearing handles demanding applications smoothly. Its phenolic cage ensures quiet and efficient performance, even under extra light preload conditions.
The open design allows for easy lubrication, while the P4A tolerance class guarantees precision. It works reliably in temperatures ranging from -30°C to 110°C.
Ideal for precision machinery like spindles or high-speed tools, this bearing can be paired in back-to-back, face-to-face, or tandem arrangements. Weighing just 0.035kg, it’s lightweight yet robust for its size.
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Performance Features of 71904 CDGA/P4A Bearing
71904 CDGA/P4A Bearing is crafted with chrome steel rings and balls, ensuring durability and precision.
Its 15° contact angle provides excellent angular contact performance, ideal for high-speed applications.
The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 100,000 rpm, it delivers reliable performance in demanding conditions.
Industrial Uses of 71904 CDGA/P4A Bearing
71904 CDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The open seal type allows for efficient lubrication, extending its lifespan in demanding conditions.
In automotive applications, 71904 CDGA/P4A Bearing supports components like electric motors and transmissions, thanks to its extra light preload and high-speed capability. Its metric sizing makes it a versatile choice for various vehicle models.
For automation systems, 71904 CDGA/P4A Bearing is ideal for robotic arms and CNC machines, where its phenolic cage reduces friction and noise. The P4A tolerance class ensures consistent operation in precision-driven environments.
Medical equipment benefits from 71904 CDGA/P4A Bearing’s reliability, particularly in imaging devices and surgical tools. The chrome steel construction provides durability while maintaining smooth rotation under radial loads.
In consumer electronics, 71904 CDGA/P4A Bearing can be found in high-performance fans and printers, where its compact size and high-speed capacity are advantageous. The lubricated design ensures quiet operation for everyday use.
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