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The 71903 ACD/P4ADBD is a super precision angular contact ball bearing with a 17mm bore and 30mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes in a matched set of two bearings for heavy preload applications.
This bearing handles radial loads up to 1462 lbf and spins smoothly at speeds up to 103,000 RPM. Its open design allows easy lubrication, while the phenolic cage ensures quiet operation and long service life.
The P4A tolerance class ensures high precision, making it ideal for demanding applications like machine tool spindles or high-speed robotics. It operates reliably in temperatures from -30°C to 110°C.
Weighing just 0.034kg, it’s lightweight yet robust. The matched set arrangement (DB) provides stability under angular loads. Compatible with SKF bearings for easy replacement.
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Performance Features of 71903 ACD/P4ADBD Bearing
71903 ACD/P4ADBD Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 1462 lbf.
The phenolic cage ensures smooth operation at high speeds, reaching up to 103,000 rpm.
With a preload class D, it maintains precision even under heavy operational demands.
71903 ACD/P4ADBD Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its matched arrangement of two bearings provides stability and balanced performance.
The open seal design allows for easy lubrication, reducing friction and wear.
This bearing is ideal for applications requiring high-speed and high-precision performance.
Key Fields for 71903 ACD/P4ADBD Bearing
71903 ACD/P4ADBD Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The heavy preload and P4A tolerance make it ideal for applications demanding minimal deflection.
In robotics, 71903 ACD/P4ADBD Bearing supports articulated arms, providing smooth motion and reliability. The matched arrangement of two bearings enhances stability in dynamic operations.
For aerospace components, 71903 ACD/P4ADBD Bearing’s chrome steel construction handles both radial and axial loads efficiently. Its high-speed capability and temperature resistance make it suitable for demanding environments.
Medical imaging devices benefit from 71903 ACD/P4ADBD Bearing’s precision and low noise operation. The phenolic cage reduces friction, ensuring consistent performance in sensitive equipment.
In automotive systems, 71903 ACD/P4ADBD Bearing is used in electric power steering, where its durability and load capacity are essential. The metric sizing ensures compatibility with various vehicle designs.
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