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The 71901 ACE/P4AQBCB is a super precision angular contact ball bearing with a compact 12mm bore and 24mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 1215 lbf and spins smoothly at speeds up to 140,000 RPM.
Its 25° contact angle and light preload (Class B) ensure stable performance in high-speed applications. The phenolic cage reduces friction and wear, while the open design allows easy lubrication.
This set includes four matched bearings (QBC arrangement), ideal for precise alignment in spindle or tooling systems. Suitable for temperatures from -30°C to 110°C.
Weighing just 0.04kg per unit, it’s a lightweight yet robust choice for precision machinery like CNC routers or dental equipment. Compliant with P4A tolerance standards for accuracy.
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Performance Features of 71901 ACE/P4AQBCB Bearing
71901 ACE/P4AQBCB Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 1215 lbf.
The phenolic cage maintains ball alignment, reducing friction and wear during high-speed rotations.
With a maximum speed of 140,000 rpm, it delivers reliable performance in demanding conditions.
71901 ACE/P4AQBCB Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its matched arrangement of four bearings ensures consistent performance and load handling.
The light preload design enhances precision while minimising unnecessary friction.
This makes 71901 ACE/P4AQBCB Bearing suitable for applications requiring high accuracy and reliability.
Industrial Uses of 71901 ACE/P4AQBCB Bearing
71901 ACE/P4AQBCB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage offers smooth operation at high speeds, reducing friction and heat buildup.
In robotics, 71901 ACE/P4AQBCB Bearing provides reliable support for articulated arms, thanks to its light preload and matched arrangement. Its compact size makes it ideal for space-constrained applications.
For medical imaging devices, 71901 ACE/P4AQBCB Bearing’s P4A tolerance class guarantees consistent performance in sensitive equipment. The chrome steel construction ensures durability even with frequent use.
Automotive applications like electric vehicle motors benefit from 71901 ACE/P4AQBCB Bearing’s high-speed capabilities. The 25° contact angle helps manage both radial and axial loads efficiently.
In consumer electronics, 71901 ACE/P4AQBCB Bearing is often found in precision instruments like 3D printers. Its lightweight design and low noise operation enhance overall device performance.
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