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The S71904 ACD/P4AQBCC is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from durable chrome steel. Its sealed design and phenolic cage ensure smooth operation at high speeds up to 100,000 RPM.
With a 25° contact angle and moderate preload, it handles radial loads up to 3398 lbf, making it suitable for precise applications. The matched set of four bearings (QBC arrangement) enhances stability in demanding setups.
This bearing works efficiently in temperatures from -30°C to 110°C and comes pre-lubricated with grease for easy maintenance. Ideal for high-speed spindles or precision machinery where accuracy is key.
Weighing just 0.15kg, it’s lightweight yet robust, meeting P4A tolerance standards for reliable performance. Interchangeable with SKF bearings for convenient replacements.
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Performance Features of S71904 ACD/P4AQBCC Bearing
S71904 ACD/P4AQBCC Bearing features a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel construction ensures durability and resistance to wear under dynamic radial loads up to 3398 lbf.
The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 100,000 rpm, it delivers reliable performance in high-speed scenarios.
Sealed for protection, S71904 ACD/P4AQBCC Bearing operates efficiently in temperatures from -30°C to 110°C.
Its matched arrangement of four bearings ensures consistent performance and load handling.
Moderate preload class C provides stability, making it suitable for angular contact applications.
The grease lubrication reduces maintenance needs while ensuring long service life.
Essential Roles of S71904 ACD/P4AQBCC Bearing
S71904 ACD/P4AQBCC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding workshop conditions.
In robotics, S71904 ACD/P4AQBCC Bearing provides smooth motion control for articulated arms, thanks to its moderate preload and phenolic cage. The matched set arrangement further enhances stability in repetitive movements.
For dental drill handpieces, S71904 ACD/P4AQBCC Bearing’s grease lubrication and P4A tolerance class deliver quiet, vibration-free operation. Its compact 20mm bore fits neatly into handheld medical devices without compromising performance.
Automotive turbochargers benefit from S71904 ACD/P4AQBCC Bearing’s ability to handle 100,000 rpm speeds while maintaining radial load capacity. The chrome steel construction withstands engine heat without losing dimensional stability.
In 3D printer extruders, S71904 ACD/P4AQBCC Bearing’s 25° contact angle minimises deflection during precise filament feeding. The metric dimensions make it compatible with most European-designed additive manufacturing systems.
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