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The S71904 ACDGC/P4A is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from high-quality chrome steel. Its compact 9mm width makes it suitable for space-sensitive applications.
With a 25° contact angle and moderate preload, it handles radial loads up to 1287 lbf and spins smoothly at speeds up to 75,000 RPM. The sealed design keeps grease in and contaminants out for reliable performance.
The phenolic cage reduces friction, while the P4A tolerance class ensures exceptional precision. It operates in temperatures from -30°C to 110°C and comes in matched sets for back-to-back or face-to-face arrangements.
Ideal for high-speed applications like machine tool spindles or precision instruments where accuracy and durability are crucial. Weighing just 0.037kg, it offers robust performance in a lightweight package.
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Performance Features of S71904 ACDGC/P4A Bearing
S71904 ACDGC/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability while maintaining precision under dynamic radial loads up to 1287 lbf.
The phenolic cage ensures smooth operation at high speeds, reaching up to 75,000 rpm.
Sealed design and grease lubrication reduce maintenance needs, even in demanding conditions.
With P4A tolerance class, S71904 ACDGC/P4A Bearing delivers consistent performance in precision tasks.
Its matched arrangement options (back-to-back, face-to-face, or tandem) provide flexibility for various setups.
The temperature range of -30°C to 110°C allows reliable operation in diverse environments.
Weighing just 0.037 kg, it combines lightweight design with robust performance.
Industrial Uses of S71904 ACDGC/P4A Bearing
S71904 ACDGC/P4A Bearing is commonly used in high-speed machine tools, where its precision and moderate preload ensure accurate performance. The sealed design helps keep contaminants out, extending its lifespan in demanding environments.
In robotics, S71904 ACDGC/P4A Bearing supports articulated arms, providing smooth motion with minimal friction. Its angular contact design handles combined loads effectively, making it ideal for repetitive movements.
For medical imaging devices, S71904 ACDGC/P4A Bearing’s phenolic cage and chrome steel construction offer reliable operation. The P4A tolerance class ensures the consistency needed for sensitive diagnostic equipment.
Automotive vs Aerospace: Applications of S71904 ACDGC/P4A Bearing
In automotive systems, S71904 ACDGC/P4A Bearing is found in high-performance gearboxes, where its speed capability and load handling are key. The matched arrangement option allows for custom setups in racing applications.
Aerospace applications benefit from S71904 ACDGC/P4A Bearing’s lightweight design and precision. It’s often used in flight control systems, where reliability under varying conditions is critical.
Where Is S71904 ACDGC/P4A Bearing Used?
You’ll often see S71904 ACDGC/P4A Bearing in 3D printers, where its low friction and high-speed capability improve print quality. The grease lubrication ensures quiet operation, perfect for office or home environments.
In industrial fans, S71904 ACDGC/P4A Bearing’s sealed design protects against dust and moisture. Its durability makes it a cost-effective choice for continuous operation in ventilation systems.
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