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Super Precision Angular Contact Ball Bearings S71912 ACB/P4A

Super Precision Angular Contact Ball Bearings S71912 ACB/P4A

The S71912 ACB/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 2194 lbf and spins smoothly at speeds up to 19,000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet operation. The 25° contact angle provides excellent stability for angular loads.

This bearing is ideal for high-precision applications like machine tool spindles or robotics, where accuracy is key. It operates well in temperatures from -30°C to 110°C.

Weighing just 0.2kg, it’s lightweight yet robust. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71912 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 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 2194 lbf
  • Static Radial Load 1868 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 19000 rpm
  • Weight 0.2 kg
  • Price（$） 61.632
Super Precision Angular Contact Ball Bearings S71912 ACB/P4A dimension drawing
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Features

Why Choose S71912 ACB/P4A Bearing for Precision Tasks?

S71912 ACB/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with high precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 2194 lbf, it performs reliably in demanding applications.
The P4 tolerance class guarantees exceptional accuracy, making it suitable for high-speed operations up to 19,000 rpm.

Sealed design and preload availability enhance its performance in matched arrangements.
This bearing operates smoothly within a temperature range of -30° to 110°C, ensuring versatility in various environments.

Application

Key Fields for S71912 ACB/P4A Bearing
S71912 ACB/P4A Bearing is commonly 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 ACB/P4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. Its P4 tolerance class makes it suitable for applications demanding tight precision.

For medical imaging devices, S71912 ACB/P4A Bearing’s chrome steel components offer reliable operation under continuous use. The lubricated design ensures quiet performance, which is essential in sensitive medical environments.

Automotive applications like electric power steering systems benefit from S71912 ACB/P4A Bearing’s ability to handle combined radial and axial loads. Its matched arrangement option allows for customised setups in compact spaces.

In 3D printers, S71912 ACB/P4A Bearing supports linear motion systems, ensuring precise layer alignment. The high-speed capability (up to 19,000 rpm) makes it ideal for rapid prototyping equipment.

Q&A

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