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Super Precision Angular Contact Ball Bearings 71912 ACDGC/P4A

Super Precision Angular Contact Ball Bearings 71912 ACDGC/P4A

The 71912 ACDGC/P4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from high-grade chrome steel. It features a 25° contact angle and handles radial loads up to 4185 lbf, spinning smoothly at speeds up to 33,000 RPM.

Its open design and phenolic cage ensure durability and easy maintenance, while the P4A tolerance class guarantees precise performance. The bearing operates efficiently in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings and can be used in matched sets for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tools or spindle drives.

Weighing just 0.19kg, it’s lightweight yet robust, making it a reliable choice for demanding industrial environments.

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Product Parameters

  • Part Number 71912 ACDGC/P4A
  • 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 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4185 lbf
  • Static Radial Load 3285 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 33000 rpm
  • Weight 0.19 kg
Super Precision Angular Contact Ball Bearings 71912 ACDGC/P4A dimension drawing
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Features

Performance Features of 71912 ACDGC/P4A Bearing

71912 ACDGC/P4A Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 25° contact angle provides excellent radial and axial load capacity, making it versatile for various applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at high speeds.
With a maximum speed of 33,000 rpm, it delivers smooth operation in demanding conditions.

71912 ACDGC/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its moderate preload (Class C) ensures consistent performance without excessive wear.

The open design allows for easy lubrication, extending the bearing’s service life.
Its P4A tolerance class guarantees precision, ideal for high-accuracy machinery.

Application

Super Precision Angular Contact Ball Bearings 71912 ACDGC/P4A is commonly used in high-speed machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The open design and phenolic cage make it suitable for applications requiring minimal friction.

In automotive systems, 71912 ACDGC/P4A supports components like wheel hubs and transmissions, thanks to its moderate preload and high-speed capabilities. The chrome steel construction enhances durability under demanding conditions.

For robotics and automation, 71912 ACDGC/P4A provides reliable performance in precision tasks, such as robotic arms and CNC machinery. Its P4A tolerance class ensures consistent operation in critical applications.

Medical imaging devices benefit from 71912 ACDGC/P4A’s smooth operation and low noise, making it ideal for MRI and CT scanners. The lubricated design further reduces maintenance needs in sensitive environments.

In aerospace applications, 71912 ACDGC/P4A handles high-speed rotations with ease, such as in turbine systems. Its universal matching feature allows for flexible configurations in complex assemblies.

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