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Super Precision Angular Contact Ball Bearings 71912 CB/HCP4A

Super Precision Angular Contact Ball Bearings 71912 CB/HCP4A

The 71912 CB/HCP4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, designed for high-speed applications. Its compact 13mm width makes it suitable for tight spaces, while the 15° contact angle ensures smooth operation under angular loads.

Made from chrome steel with ceramic balls, it handles radial loads up to 2340 lbf and spins at speeds up to 40,000 RPM. The phenolic cage reduces friction and heat buildup, enhancing durability. It operates efficiently in temperatures from -30°C to 110°C.

This bearing comes pre-lubricated for immediate use and meets P4 tolerance standards for precision performance. Its open design allows for easy maintenance and inspection. Ideal for machine tools, spindles, or other high-speed equipment requiring accuracy.

Weighing just 0.18kg, it’s lightweight yet robust. The bearing is interchangeable with SKF models, offering a reliable replacement option.

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Product Parameters

  • Part Number 71912 CB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 30
  • 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 2340 lbf
  • Static Radial Load 1980 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 40000 rpm
  • Weight 0.18 kg
  • Price（$） 51.282
Super Precision Angular Contact Ball Bearings 71912 CB/HCP4A dimension drawing
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Features

Performance Features of 71912 CB/HCP4A Bearing

71912 CB/HCP4A Bearing is crafted with a 15° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction.

With a dynamic radial load capacity of 2340 lbf, it handles demanding conditions efficiently.
Its phenolic cage ensures smooth operation, even at high speeds up to 40,000 rpm.

The P4 tolerance class guarantees precision, making it suitable for high-accuracy tasks.
Open design allows easy lubrication, maintaining performance in varied temperatures.

Matched arrangement and preload options provide flexibility for different setups.
This bearing is ideal for applications requiring both precision and reliability.

Application

Common Applications of 71912 CB/HCP4A Bearing
71912 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 ideal for applications demanding smooth operation.

In robotics, 71912 CB/HCP4A Bearing supports articulated arms, providing stability and low heat generation during repetitive movements. Its phenolic cage offers lightweight durability, perfect for dynamic robotic systems.

For aerospace components, 71912 CB/HCP4A Bearing’s P4 tolerance class guarantees reliability in navigation systems and actuators. The matched arrangement option further enhances performance in critical flight control mechanisms.

Automotive enthusiasts appreciate 71912 CB/HCP4A Bearing in performance gearboxes, where its high-speed capability handles rapid shifts effortlessly. The open design allows for custom lubrication to suit specific racing conditions.

Medical imaging devices benefit from 71912 CB/HCP4A Bearing’s quiet operation and minimal vibration. Its chrome steel rings ensure long-term precision in sensitive diagnostic equipment.

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