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Super Precision Angular Contact Ball Bearings 71912 CB/P4A

Super Precision Angular Contact Ball Bearings 71912 CB/P4A

The 71912 CB/P4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from high-quality chrome steel. Its compact 13mm width makes it suitable for space-sensitive applications.

With a 15° contact angle, it efficiently handles both radial and axial loads, supporting up to 2340 lbf dynamically. It operates smoothly at high speeds, reaching up to 32,000 RPM.

The open design and phenolic cage ensure durability and easy maintenance. It’s preloaded and available in matched arrangements for enhanced performance.

Ideal for precision machinery like spindles or CNC tools, this bearing excels in temperatures from -30°C to 110°C. Weighing just 0.2kg, it’s lightweight yet robust for demanding tasks.

Compatible with SKF bearings, it’s a reliable choice for replacements or upgrades. Its ABEC-7 (P4) tolerance class guarantees exceptional accuracy.

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Product Parameters

  • Part Number 71912 CB/P4A
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2340 lbf
  • Static Radial Load 1980 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 32000 rpm
  • Weight 0.2 kg
  • Price（$） 5.652
Super Precision Angular Contact Ball Bearings 71912 CB/P4A dimension drawing
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Features

Performance Features of 71912 CB/P4A Bearing

71912 CB/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 2340 lbf, it handles demanding conditions reliably.

The P4 tolerance class guarantees precision, making it suitable for high-performance machinery.

Application

Industrial Uses of 71912 CB/P4A Bearing
71912 CB/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The open seal type allows for efficient lubrication, extending service life in demanding conditions.

Where Is 71912 CB/P4A Bearing Used?
In robotics, 71912 CB/P4A Bearing supports articulated arms, providing smooth movement with minimal friction. Its phenolic cage material reduces weight while maintaining strength, ideal for repetitive motions.

Optimized for Performance: 71912 CB/P4A Bearing
For automotive transmissions, 71912 CB/P4A Bearing handles combined radial and axial loads efficiently. The 15° contact angle balances speed and load capacity, making it suitable for performance applications.

Medical vs Industrial: Where 71912 CB/P4A Bearing Excels
In medical imaging devices, 71912 CB/P4A Bearing offers quiet operation crucial for sensitive environments. Industrial pumps benefit from its P4 tolerance class, ensuring reliability under continuous use.

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