Super Precision Angular Contact Ball Bearings 71912 ACD/P4ADBC

Super Precision Angular Contact Ball Bearings 71912 ACD/P4ADBC

The 71912 ACD/P4ADBC is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 6795 lbf and spins smoothly at speeds up to 33,000 RPM.

With a 25° contact angle and moderate preload, it offers excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This matched set of two bearings (DB arrangement) is ideal for machine tools or spindle systems where accuracy is key. It operates reliably in temperatures from -30°C to 110°C.

Weighing 0.38kg, it’s a robust yet compact solution for demanding industrial environments. The open design allows for easy lubrication and maintenance.

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Product Parameters

  • Part Number 71912 ACD/P4ADBC
  • 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 Moderate / Class C
  • 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

Features

Performance Features of 71912 ACD/P4ADBC Bearing

71912 ACD/P4ADBC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 6795 lbf, it handles demanding conditions with ease.
The matched arrangement of two bearings provides stability and precision in high-speed operations.

Operating at speeds up to 33,000 rpm, 71912 ACD/P4ADBC Bearing balances performance and longevity.
Its P4A tolerance class guarantees consistent accuracy for precision tasks.

The open design allows for easy lubrication, maintaining smooth operation.
Its temperature range of -30°C to 110°C ensures reliability in varied environments.

Application

Industrial Uses of 71912 ACD/P4ADBC Bearing
71912 ACD/P4ADBC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload helps maintain stability during heavy cutting operations.

In automotive applications, 71912 ACD/P4ADBC Bearing supports high-speed components like turbochargers and transmission systems. Its phenolic cage reduces friction, making it suitable for demanding environments.

For robotics, 71912 ACD/P4ADBC Bearing’s matched arrangement provides balanced load distribution in robotic arms. The P4A tolerance class ensures consistent performance in repetitive movements.

Where Is 71912 ACD/P4ADBC Bearing Used?
You’ll often find 71912 ACD/P4ADBC Bearing in aerospace applications, such as helicopter rotor systems. Its chrome steel construction handles both radial and axial loads efficiently.

In medical imaging devices, 71912 ACD/P4ADBC Bearing offers smooth operation due to its precision engineering. The open design allows for easy lubrication, extending service life.

Built for Heavy-Duty Use: 71912 ACD/P4ADBC Bearing
71912 ACD/P4ADBC Bearing excels in industrial pumps, where its high-speed capability and durability are key. The 25° contact angle optimises load distribution under stress.

For CNC machinery, 71912 ACD/P4ADBC Bearing’s matched set reduces vibration during operation. The phenolic cage material also resists wear in continuous use.

Automotive vs Aerospace: Applications of 71912 ACD/P4ADBC Bearing
In automotive systems, 71912 ACD/P4ADBC Bearing is ideal for electric vehicle motors, thanks to its high-speed tolerance. The metric sizing ensures compatibility with global designs.

For aerospace, 71912 ACD/P4ADBC Bearing’s temperature range makes it reliable in extreme conditions. Its precision engineering meets the strict demands of flight components.

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