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Super Precision Angular Contact Ball Bearings 71912 ACB/P4A

Super Precision Angular Contact Ball Bearings 71912 ACB/P4A

The 71912 ACB/P4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from high-quality chrome steel. It handles both radial and angular loads, with a dynamic radial load capacity of 2194 lbf.

With a 25° contact angle and P4 tolerance class, it offers smooth operation at speeds up to 30,000 RPM. The open design and phenolic cage ensure durability and easy maintenance.

This bearing is ideal for high-precision applications like machine tool spindles or robotics, where accuracy and speed are crucial. It’s interchangeable with SKF bearings and works in temperatures from -30°C to 110°C.

Weighing just 0.2kg, it’s lightweight yet robust, making it a reliable choice for demanding industrial environments.

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Product Parameters

  • Part Number 71912 ACB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 30
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2194 lbf
  • Static Radial Load 1868 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 30000 rpm
  • Weight 0.2 kg
  • Price（$） 51.246
Super Precision Angular Contact Ball Bearings 71912 ACB/P4A dimension drawing
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Features

Engineered for Precision: 71912 ACB/P4A Bearing

71912 ACB/P4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 2194 lbf, it handles demanding tasks reliably.
The P4 tolerance class guarantees exceptional accuracy, making it suitable for precision machinery.

Operating at speeds up to 30,000 rpm, it balances performance and efficiency.
Its open design allows for easy lubrication, extending service life in various conditions.

Application

Key Fields for 71912 ACB/P4A Bearing
71912 ACB/P4A Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The phenolic cage reduces friction, making it suitable for high-speed operations.

In robotics, 71912 ACB/P4A Bearing supports articulated arms, providing smooth movement and long service life. Its P4 tolerance class guarantees the precision needed for repetitive tasks.

For medical imaging devices, 71912 ACB/P4A Bearing’s chrome steel construction offers reliability in demanding environments. The open design allows for easy lubrication, maintaining performance over time.

Automotive applications like electric motor shafts benefit from 71912 ACB/P4A Bearing’s balanced load capacity. Its metric sizing ensures compatibility with various European and Asian vehicle designs.

In aerospace systems, 71912 ACB/P4A Bearing’s high-speed capability and temperature resistance make it a dependable choice. The matched arrangement option further enhances its performance in critical assemblies.

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