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The 71903 CEGA/P4A is a super precision angular contact ball bearing with a compact size of 17mm by 30mm by 7mm, crafted from durable chrome steel. It handles radial loads up to 760 lbf and spins smoothly at high speeds up to 80,000 RPM.
With a 15° contact angle and extra light preload, it offers precise performance for angular contact applications. The open design and phenolic cage ensure reliable operation in temperatures from -30°C to 110°C.
This bearing is interchangeable with SKF models and comes lubricated for immediate use. Ideal for high-speed machinery like spindles or small motors where precision is key.
Weighing just 0.016kg, it’s lightweight yet robust. The P4A tolerance class guarantees consistent performance in demanding conditions.
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How Does 71903 CEGA/P4A Bearing Ensure Precision in High-Speed Applications?
71903 CEGA/P4A Bearing features a 15° contact angle, optimised for angular contact loads and high-speed performance.
The chrome steel rings and balls provide durability, while the phenolic cage reduces friction and wear.
With a maximum speed of 80,000 rpm, it maintains precision under demanding conditions.
Its extra light preload (Class A) ensures smooth operation, ideal for precision instruments.
The open design allows easy lubrication, enhancing longevity and reducing maintenance needs.
Its P4A tolerance class guarantees consistent performance in critical applications.
Practical Applications of 71903 CEGA/P4A Bearing
71903 CEGA/P4A Bearing is commonly used in high-speed machine tool spindles, where its precision and angular contact design ensure accurate performance. The extra light preload makes it suitable for applications requiring minimal friction.
In robotics, 71903 CEGA/P4A Bearing supports articulated arms and joints, providing smooth movement and reliability. Its phenolic cage offers durability while reducing weight, which is ideal for dynamic applications.
For dental handpieces, 71903 CEGA/P4A Bearing’s chrome steel construction ensures long-lasting performance under frequent use. The P4A tolerance class guarantees the precision needed for medical-grade equipment.
Where Is 71903 CEGA/P4A Bearing Used?
You’ll find 71903 CEGA/P4A Bearing in optical equipment like lens positioning systems, where its high-speed capability and precision are key. The open design allows for easy lubrication, maintaining performance over time.
In small electric motors, 71903 CEGA/P4A Bearing handles radial and axial loads efficiently, making it a versatile choice. Its compact size fits well in space-constrained designs without compromising on reliability.
Built for Heavy-Duty Use: 71903 CEGA/P4A Bearing
71903 CEGA/P4A Bearing excels in aerospace applications, such as gyroscopes, where stability and precision are critical. The chrome steel rings and balls provide the strength needed for demanding environments.
For industrial pumps, 71903 CEGA/P4A Bearing offers reliable performance under continuous operation. Its temperature range ensures it can handle both hot and cold conditions without issues.
Automotive vs Aerospace: Applications of 71903 CEGA/P4A Bearing
In automotive transmissions, 71903 CEGA/P4A Bearing supports gear shafts, ensuring smooth shifts and durability. Its metric sizing makes it compatible with a wide range of vehicle designs.
For aerospace actuators, 71903 CEGA/P4A Bearing’s high-speed tolerance and precision are essential. The lightweight phenolic cage helps reduce overall system weight, which is crucial in aviation.
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