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The 71804 ACD/P4QBCA is a super precision angular contact ball bearing with a 20mm bore and 32mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched set of four bearings for balanced performance.
Designed for angular contact loads, it handles dynamic radial loads up to 2151 lbf and spins smoothly at speeds up to 121,000 RPM. The phenolic cage ensures quiet operation and durability.
Its open design allows easy lubrication, while the extra light preload (Class A) ensures minimal friction. Ideal for high-precision applications like machine tool spindles or medical equipment.
Weighing just 0.072kg, it’s lightweight yet robust. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for reliable replacements. Works well in temperatures from -30°C to 110°C.
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Performance Features of 71804 ACD/P4QBCA Bearing
71804 ACD/P4QBCA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.
With a dynamic radial load capacity of 2151 lbf, it handles demanding conditions reliably.
The bearing’s P4 tolerance class guarantees high precision, making it suitable for critical tasks.
Common Applications of 71804 ACD/P4QBCA Bearing
71804 ACD/P4QBCA Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle rotation. The phenolic cage reduces friction, making it suitable for continuous operation.
In robotics, 71804 ACD/P4QBCA Bearing supports articulated arms, providing smooth movement and reliability. Its matched arrangement of four bearings enhances stability in dynamic applications.
For medical imaging devices, 71804 ACD/P4QBCA Bearing’s chrome steel construction offers durability and consistent performance. The extra light preload ensures minimal vibration, crucial for sensitive equipment.
In automotive transmissions, 71804 ACD/P4QBCA Bearing handles angular loads efficiently, contributing to smoother gear shifts. The open seal design allows for easy lubrication maintenance.
Consumer electronics like high-end printers benefit from 71804 ACD/P4QBCA Bearing’s quiet operation and precision. Its metric sizing ensures compatibility with various compact designs.
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