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Super Precision Angular Contact Ball Bearings 71913 CB/HCP4A

Super Precision Angular Contact Ball Bearings 71913 CB/HCP4A

The 71913 CB/HCP4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, designed for high-speed applications. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 2385 lbf.

The open design and phenolic cage make it easy to maintain, while the P4 tolerance class guarantees exceptional accuracy. It can handle speeds up to 36,000 RPM, making it suitable for demanding environments.

This bearing is interchangeable with SKF models and works well in temperatures from -30°C to 110°C. Ideal for machine tools or high-speed spindles where precision and reliability are key.

Weighing just 0.19kg, it’s lightweight yet robust, with a lubricated design for long-lasting performance.

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Product Parameters

  • Part Number 71913 CB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 32
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2385 lbf
  • Static Radial Load 2138 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.19 kg
  • Price（$） 551.556
Super Precision Angular Contact Ball Bearings 71913 CB/HCP4A dimension drawing
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Features

Performance Features of 71913 CB/HCP4A Bearing

71913 CB/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing precision and speed capabilities.

The phenolic cage ensures smooth operation, even at high speeds up to 36,000 rpm.
This design also helps maintain stability under dynamic radial loads of 2385 lbf.

71913 CB/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class guarantees high precision, making it suitable for demanding applications.

The open seal type allows for easy lubrication, ensuring consistent performance.
With its matched arrangement option, it provides flexibility for various installation needs.

Application

Essential Roles of 71913 CB/HCP4A Bearing
71913 CB/HCP4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for demanding industrial environments.

In aerospace applications, 71913 CB/HCP4A Bearing supports critical components like turbine shafts, thanks to its high-speed capability and reliable performance. The phenolic cage adds durability while maintaining lightweight efficiency.

For robotics, 71913 CB/HCP4A Bearing provides smooth motion in articulated arms, where its 15° contact angle handles combined loads effectively. The P4 tolerance class ensures consistent performance in automated systems.

Medical imaging devices benefit from 71913 CB/HCP4A Bearing’s low vibration and high precision, essential for clear diagnostic results. The open design allows for easy lubrication, extending service life in clinical settings.

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