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Super Precision Angular Contact Ball Bearings 71909 CE/P4A

Super Precision Angular Contact Ball Bearings 71909 CE/P4A

The 71909 CE/P4A is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 2340 lbf and operates smoothly at speeds up to 44,000 RPM.

With a 15° contact angle and open design, it offers excellent performance for angular contact applications. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This bearing is ideal for precision machinery like spindles or CNC tools, where accuracy and speed are crucial. It works within a temperature range of -30°C to 110°C, making it versatile for various environments.

Weighing just 0.13kg, it’s lightweight yet robust. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71909 CE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2340 lbf
  • Static Radial Load 1530 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 44000 rpm
  • Weight 0.13 kg
  • Price（$） 324.621
Super Precision Angular Contact Ball Bearings 71909 CE/P4A dimension drawing
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Features

Why Choose 71909 CE/P4A Bearing for Precision Tasks?

71909 CE/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and consistent performance under radial loads up to 2340 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing speed capabilities up to 44,000 rpm.
This design is ideal for applications requiring tight tolerances and reliable operation.

With a P4 tolerance class, 71909 CE/P4A Bearing delivers exceptional accuracy for demanding tasks.
Its open design allows for easy lubrication, ensuring smooth performance over time.

The bearing operates efficiently within a temperature range of -30° to 110°C, suitable for various environments.
Its lightweight design at 0.13 kg makes it easy to integrate into precision systems.

Application

Industrial Uses of 71909 CE/P4A Bearing
71909 CE/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The open seal type allows for efficient lubrication, extending its lifespan in demanding conditions.

Where Is 71909 CE/P4A Bearing Used?
In automotive applications, 71909 CE/P4A Bearing supports components like wheel hubs and transmissions, thanks to its high-speed capability and radial load handling. Its phenolic cage reduces friction, making it suitable for smooth, long-term use.

Perfect Fit for Automation: 71909 CE/P4A Bearing
For robotics and automation systems, 71909 CE/P4A Bearing provides reliable motion control in mechanical arms and CNC machines. The P4 tolerance class ensures minimal vibration, crucial for precision tasks.

Medical vs Industrial: Where 71909 CE/P4A Bearing Excels
In medical imaging devices, 71909 CE/P4A Bearing offers quiet and stable operation, essential for sensitive equipment. Its chrome steel construction also makes it durable for industrial uses like pumps and compressors.

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