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Super Precision Angular Contact Ball Bearings 71910 CB/P4A

Super Precision Angular Contact Ball Bearings 71910 CB/P4A

The 71910 CB/P4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and handles radial loads up to 1755 lbf, spinning smoothly at speeds up to 38,000 RPM.

Its open design and phenolic cage ensure durability and easy maintenance, while the P4 tolerance class guarantees high precision. The bearing operates efficiently in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings and can be matched for paired arrangements, making it versatile for precision applications. Ideal for use in machine tools or high-speed spindles where accuracy is crucial.

Weighing just 0.13kg, it’s lightweight yet robust, and comes pre-lubricated for immediate use. Compliant with industry standards for reliable performance.

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Product Parameters

  • Part Number 71910 CB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 29
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1755 lbf
  • Static Radial Load 1418 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 38000 rpm
  • Weight 0.13 kg
  • Price（$） 371.421
Super Precision Angular Contact Ball Bearings 71910 CB/P4A dimension drawing
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Features

Performance Features of 71910 CB/P4A Bearing

71910 CB/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls provide strong resistance to dynamic radial loads up to 1755 lbf.
The phenolic cage ensures smooth operation at high speeds, reaching up to 38,000 rpm.
With a P4 tolerance class, it delivers precision performance in demanding conditions.

Application

Common Applications of 71910 CB/P4A Bearing
71910 CB/P4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for continuous operation.

In automotive applications, 71910 CB/P4A Bearing supports gearbox systems, providing stable performance under angular loads. Its P4 tolerance class ensures reliability in demanding driving conditions.

For robotics, 71910 CB/P4A Bearing is ideal for articulated arms, offering smooth movement and long service life. The open design allows for easy lubrication, maintaining efficiency in automated systems.

Medical imaging devices benefit from 71910 CB/P4A Bearing’s low vibration and high precision. The chrome steel construction ensures durability in critical healthcare environments.

In consumer electronics, 71910 CB/P4A Bearing enhances the performance of high-end printers and scanners. Its compact size and precision make it a reliable choice for delicate mechanisms.

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