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Super Precision Angular Contact Ball Bearings S71912 ACD/P4A

Super Precision Angular Contact Ball Bearings S71912 ACD/P4A

The S71912 ACD/P4A 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 4185 lbf and operates smoothly at speeds up to 14,000 RPM.

Its sealed design keeps lubrication in place, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle provides excellent stability for angular loads.

This bearing is available with preload and matched arrangements, making it versatile for high-precision applications. Ideal for machine tools or spindle drives where accuracy is key.

Weighing just 0.2kg, it meets P4 tolerance standards for reliable performance in temperatures from -30°C to 110°C. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71912 ACD/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 7.938 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • 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° to 110 °C
  • Max Speed 14000 rpm
  • Weight 0.2 kg
  • Price（$） 61.659
Super Precision Angular Contact Ball Bearings S71912 ACD/P4A dimension drawing
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Features

Why Choose S71912 ACD/P4A Bearing for Precision Tasks?

S71912 ACD/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 4185 lbf, it handles demanding tasks reliably.
The P4 tolerance class guarantees exceptional accuracy, making it suitable for precision instruments.

Lubricated for long-term performance, S71912 ACD/P4A Bearing operates smoothly at speeds up to 14,000 rpm.
Its sealed design protects against contaminants, extending service life in various environments.

Application

Common Applications of S71912 ACD/P4A Bearing
S71912 ACD/P4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In robotics, S71912 ACD/P4A Bearing supports articulated arms, providing smooth movement and reliable load handling. Its phenolic cage reduces friction, making it suitable for repetitive motions.

For medical imaging devices, S71912 ACD/P4A Bearing’s P4 tolerance class ensures minimal vibration, crucial for clear diagnostic results. The chrome steel construction also offers long-term durability in demanding settings.

Where Is S71912 ACD/P4A Bearing Used?
You’ll often find S71912 ACD/P4A Bearing in CNC machining centres, where its high-speed capability and precision are key. The 25° contact angle helps manage both radial and axial loads effectively.

In electric motors, S71912 ACD/P4A Bearing enhances efficiency by reducing energy loss during rotation. Its lubricated design ensures consistent performance over extended periods.

Built for Heavy-Duty Use: S71912 ACD/P4A Bearing
S71912 ACD/P4A Bearing excels in industrial gearboxes, handling significant loads without compromising precision. The matched arrangement option allows for custom setups in complex machinery.

For aerospace applications, S71912 ACD/P4A Bearing’s lightweight design and high-speed tolerance make it a reliable choice. Its temperature range ensures stability in varying operating conditions.

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