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The 71903 CE/P4A is a super precision angular contact ball bearing with a compact size of 17mm by 30mm by 7mm, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for angular contact loads, offering smooth operation at high speeds.
With a dynamic radial load capacity of 760 lbf and a maximum speed of 106,000 RPM, this bearing is built for demanding applications. Its phenolic cage ensures durability and reduces friction, while the open design allows for easy lubrication.
The P4 tolerance class (ABEC-7) guarantees exceptional precision, making it ideal for high-performance machinery. Weighing just 0.016kg, it’s lightweight yet robust, suitable for applications like spindles or precision tools.
Compatible with SKF bearings, it’s a reliable choice for replacements. Works well in temperatures from -30°C to 110°C, ensuring versatility in various environments.
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Performance Features of 71903 CE/P4A Bearing
71903 CE/P4A Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 15° contact angle allows for efficient handling of combined radial and axial loads.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 106,000 rpm, it is ideal for high-speed applications.
71903 CE/P4A Bearing operates smoothly within a temperature range of -30° to 110°C.
Its P4 tolerance class ensures consistent accuracy in demanding conditions.
The open design simplifies lubrication, promoting long service life.
Dynamic radial load capacity of 760 lbf makes it reliable for various industrial uses.
Key Fields for 71903 CE/P4A Bearing
71903 CE/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The open seal type allows for efficient lubrication, extending service life in demanding conditions.
In robotics, 71903 CE/P4A Bearing provides smooth motion control for articulated arms, thanks to its 15° contact angle and phenolic cage. Its compact size makes it ideal for space-constrained applications.
For dental handpieces, 71903 CE/P4A Bearing’s high-speed capability (up to 106,000 rpm) and low friction are essential. The chrome steel construction ensures durability even with frequent sterilisation cycles.
What Makes 71903 CE/P4A Bearing a Preferred Choice?
71903 CE/P4A Bearing excels in optical equipment like lens positioning systems, where minimal vibration is critical. The ABEC-7 tolerance guarantees consistent performance over time.
In small electric motors, this bearing’s lightweight design (just 16g) reduces inertia while handling radial and axial loads. The preload option further enhances stability for precision applications.
Built for Heavy-Duty Use: 71903 CE/P4A Bearing
71903 CE/P4A Bearing handles thrust loads in industrial pumps, withstanding constant use thanks to its chrome steel balls. The 3.969mm ball diameter optimises load distribution.
For CNC lathes, this bearing’s 760 lbf dynamic radial load capacity ensures reliable operation during heavy cutting. The temperature range (-30° to 110°C) suits most workshop environments.
Medical vs Industrial: Where 71903 CE/P4A Bearing Excels
In surgical drills, 71903 CE/P4A Bearing’s phenolic cage prevents contamination risks while maintaining high RPM performance. The lubricated design reduces maintenance needs.
For textile machinery, its 30mm outer diameter fits standard housings, and the 7mm width saves space. The 13-ball configuration balances load capacity with smooth rotation.
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