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The 71909 CD/P4ATBTB is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 6322 lbf and spins smoothly at speeds up to 41,000 RPM.
Its 15° contact angle and matched arrangement of three bearings (TBT) provide excellent stability under angular loads. The phenolic cage ensures quiet operation and long service life.
Designed for light preload (Class B), this bearing is ideal for high-precision applications like machine tool spindles or medical equipment. It operates reliably in temperatures from -30°C to 110°C.
Weighing just 0.39kg, it’s a lightweight yet robust choice for demanding environments. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.
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Performance Features of 71909 CD/P4ATBTB Bearing
71909 CD/P4ATBTB Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls provide durability, while the phenolic cage ensures smooth operation at high speeds.
The matched arrangement of three bearings offers enhanced stability for precision applications.
With a maximum speed of 41,000 rpm, it delivers reliable performance in demanding conditions.
71909 CD/P4ATBTB Bearing’s P4A tolerance class ensures high precision and consistent performance.
Its dynamic radial load capacity of 6322 lbf makes it suitable for heavy-duty applications.
The open seal design allows for easy lubrication, maintaining optimal performance.
Operating between -30°C to 110°C, it adapts well to varying temperature environments.
Industrial Uses of 71909 CD/P4ATBTB Bearing
71909 CD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of three bearings provides stability in demanding industrial environments.
Where Is 71909 CD/P4ATBTB Bearing Used?
In automotive applications, 71909 CD/P4ATBTB Bearing supports high-speed components like turbochargers and gearboxes. Its light preload and phenolic cage contribute to smooth operation under angular loads.
Built for Heavy-Duty Use: 71909 CD/P4ATBTB Bearing
For automation systems, 71909 CD/P4ATBTB Bearing is ideal for robotic arms and CNC machines, offering reliable performance at high speeds. The chrome steel construction ensures durability in continuous operation.
Medical vs Industrial: Where 71909 CD/P4ATBTB Bearing Excels
In medical imaging devices, 71909 CD/P4ATBTB Bearing provides precise movement for scanners and diagnostic equipment. Its P4A tolerance class makes it suitable for applications requiring minimal vibration.
Practical Applications of 71909 CD/P4ATBTB Bearing
71909 CD/P4ATBTB Bearing is often found in 3D printers, where its high-speed capability and angular contact design ensure precise layer deposition. The lubricated construction reduces maintenance needs for long-term use.
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