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Super Precision Angular Contact Ball Bearings 71912 ACD/P4ADBB

Super Precision Angular Contact Ball Bearings 71912 ACD/P4ADBB

The 71912 ACD/P4ADBB is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched set of two bearings for balanced performance.

This bearing handles radial loads up to 6795 lbf and spins smoothly at speeds up to 33,000 RPM. Its phenolic cage ensures durability and reduces friction during high-speed operations.

The open design allows for easy lubrication, while the P4A tolerance class guarantees precision. Ideal for applications like machine tool spindles or high-speed robotics.

Weighing just 0.38kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial uses.

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Product Parameters

  • Part Number 71912 ACD/P4ADBB
  • 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 26 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 6795 lbf
  • Static Radial Load 6525 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 33000 rpm
  • Weight 0.38 kg
Super Precision Angular Contact Ball Bearings 71912 ACD/P4ADBB dimension drawing
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Features

Performance Features of 71912 ACD/P4ADBB Bearing

71912 ACD/P4ADBB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under high-speed conditions.

The phenolic cage in 71912 ACD/P4ADBB Bearing maintains ball alignment, reducing friction and wear.
With a dynamic radial load capacity of 6795 lbf, it handles demanding tasks efficiently.

71912 ACD/P4ADBB Bearing operates at speeds up to 33,000 rpm, making it suitable for precision machinery.
Its P4A tolerance class ensures consistent performance and reliability.

The matched arrangement of two bearings in 71912 ACD/P4ADBB Bearing provides stability for complex applications.
Light preload class B enhances precision while minimising unnecessary friction.

71912 ACD/P4ADBB Bearing works in temperatures from -30°C to 110°C, adapting to various environments.
Its open design allows for easy lubrication, maintaining optimal performance over time.

Application

Essential Roles of 71912 ACD/P4ADBB Bearing
71912 ACD/P4ADBB Bearing is commonly used in high-speed machine tools, where its precision and light preload ensure smooth operation. The angular contact design helps manage both radial and axial loads effectively.

In robotics, 71912 ACD/P4ADBB Bearing supports articulated arms, providing the necessary accuracy for repetitive tasks. Its phenolic cage reduces friction, making it suitable for continuous use.

For medical imaging devices, 71912 ACD/P4ADBB Bearing’s chrome steel construction ensures reliability in critical applications. The open seal type allows for easy lubrication, maintaining performance over time.

Automotive applications like electric motor shafts benefit from 71912 ACD/P4ADBB Bearing’s high-speed capabilities. The matched arrangement of two bearings enhances stability under varying loads.

Q&A

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