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Super Precision Angular Contact Ball Bearings 71912 ACE/P4ADBA

Super Precision Angular Contact Ball Bearings 71912 ACE/P4ADBA

The 71912 ACE/P4ADBA 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 pair for balanced performance.

This bearing handles radial loads up to 5648 lbf and can reach speeds of 36,000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and durability under stress.

The open design allows for easy lubrication, while the extra light preload ensures minimal friction. Ideal for precision machinery like spindles or CNC equipment where accuracy is key.

Weighing 0.38kg, it’s a robust yet lightweight solution. Compliant with P4A tolerance standards, it offers reliable performance in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71912 ACE/P4ADBA
  • 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 23
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 5648 lbf
  • Static Radial Load 4950 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.38 kg
Super Precision Angular Contact Ball Bearings 71912 ACE/P4ADBA dimension drawing
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Features

Performance Features of 71912 ACE/P4ADBA Bearing

71912 ACE/P4ADBA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

The bearing’s extra light preload (Class A) enhances performance in high-speed scenarios, reaching up to 36,000 rpm.
With a dynamic radial load capacity of 5648 lbf, it handles demanding angular contact tasks reliably.

71912 ACE/P4ADBA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its matched arrangement (2 bearings DB) ensures stability, making it suitable for precision machinery.

Application

Industrial Uses of 71912 ACE/P4ADBA Bearing
71912 ACE/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial environments.

In automotive applications, 71912 ACE/P4ADBA Bearing supports high-speed components like turbochargers and electric motors. Its extra light preload helps reduce friction, improving overall efficiency.

For robotics, 71912 ACE/P4ADBA Bearing’s phenolic cage and chrome steel construction offer durability in repetitive motion tasks. The P4A tolerance class ensures consistent performance in automated systems.

Medical imaging devices benefit from 71912 ACE/P4ADBA Bearing’s smooth operation and low noise levels. The open design allows for easy lubrication, extending service life in critical applications.

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