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Super Precision Angular Contact Ball Bearings 71911 CDTP/P4B

Super Precision Angular Contact Ball Bearings 71911 CDTP/P4B

The 71911 CDTP/P4B is a super precision angular contact ball bearing, measuring 55mm by 80mm by 13mm, crafted from high-quality chrome steel. It handles radial loads up to 4388 lbf and operates smoothly at speeds up to 16,000 RPM.

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

This bearing is ideal for precision machinery like spindles or CNC tools, where accuracy and speed are crucial. It can also be matched with other bearings for enhanced performance in complex setups.

Compliant with P4 tolerance standards, it guarantees reliable operation in temperatures from -30°C to 110°C. Weighing just 0.18kg, it’s lightweight yet robust for demanding tasks.

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Product Parameters

  • Part Number 71911 CDTP/P4B
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 23
  • 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 4388 lbf
  • Static Radial Load 3285 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 16000 rpm
  • Weight 0.18 kg
  • Price（$） 439.92
Super Precision Angular Contact Ball Bearings 71911 CDTP/P4B dimension drawing
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Features

Why Choose 71911 CDTP/P4B Bearing for Precision Tasks?

71911 CDTP/P4B Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 4388 lbf.

The phenolic cage minimises friction and wear, enhancing performance in high-speed scenarios.
With a maximum speed of 16,000 rpm, it delivers reliable efficiency for demanding tasks.

71911 CDTP/P4B Bearing operates in temperatures from -30° to 110°C, suitable for varied environments.
Its P4 tolerance class (ABEC-7) guarantees exceptional precision and consistency.

Application

Common Applications of 71911 CDTP/P4B Bearing
71911 CDTP/P4B Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In automotive applications, 71911 CDTP/P4B Bearing supports gearbox systems, providing smooth performance under radial and axial loads. Its P4 tolerance class ensures reliability in demanding driving conditions.

For robotics, 71911 CDTP/P4B Bearing excels in articulated arms, offering precise movement and durability. The open design allows for easy lubrication, extending service life in continuous operation.

Medical imaging devices benefit from 71911 CDTP/P4B Bearing’s low noise and vibration. The chrome steel construction ensures consistent performance in sensitive diagnostic equipment.

In aerospace, 71911 CDTP/P4B Bearing is used in flight control systems, where its high-speed capability and precision are critical. The matched arrangement option enhances stability in complex assemblies.

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