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Super Precision Angular Contact Ball Bearings 71912 CD/P4ATBTC

Super Precision Angular Contact Ball Bearings 71912 CD/P4ATBTC

The 71912 CD/P4ATBTC is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel. Its 15° contact angle and moderate preload ensure smooth operation under angular loads.

This bearing set includes three matched units arranged in a TBT configuration, offering balanced performance. It handles radial loads up to 9518 lbf and spins at speeds up to 31,000 RPM.

The open design and phenolic cage make it easy to maintain, while the P4A tolerance class guarantees high precision. Ideal for machine tools or high-speed spindles where accuracy is key.

Weighing 0.57kg, it operates in temperatures from -30°C to 110°C. Compatible with SKF bearings, it’s a practical choice for replacements or upgrades.

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Product Parameters

  • Part Number 71912 CD/P4ATBTC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 39 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 9518 lbf
  • Static Radial Load 10462 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.57 kg
Super Precision Angular Contact Ball Bearings 71912 CD/P4ATBTC dimension drawing
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Features

Performance Features of 71912 CD/P4ATBTC Bearing

71912 CD/P4ATBTC Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under dynamic radial loads up to 9518 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 31,000 rpm, it delivers reliable performance in high-speed scenarios.

71912 CD/P4ATBTC Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its moderate preload (Class C) ensures stability, making it suitable for precision tasks.

Application

Industrial Uses of 71912 CD/P4ATBTC Bearing
71912 CD/P4ATBTC Bearing is commonly used in high-speed machine tools, where its precision and moderate preload ensure accurate spindle performance. The matched arrangement of three bearings provides stability in demanding industrial environments.

In automotive applications, 71912 CD/P4ATBTC Bearing supports components like electric motors and gearboxes, handling both radial and angular loads efficiently. Its chrome steel construction offers durability under continuous use.

For robotics, 71912 CD/P4ATBTC Bearing is ideal for articulated arms, thanks to its high-speed capability and low friction. The phenolic cage reduces weight while maintaining strength.

Medical imaging devices benefit from 71912 CD/P4ATBTC Bearing’s smooth operation and precise tolerances. The open design allows for easy lubrication, ensuring long service life.

In automation systems, 71912 CD/P4ATBTC Bearing is a reliable choice for linear actuators and CNC machines. Its P4A tolerance class guarantees consistent performance in precision applications.

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