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Super Precision Angular Contact Ball Bearings 71912 ACE/HCP4ADT

Super Precision Angular Contact Ball Bearings 71912 ACE/HCP4ADT

The 71912 ACE/HCP4ADT is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 5648 lbf and operates smoothly at speeds up to 33,000 RPM.

Its 25° contact angle and matched arrangement of two bearings provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life, even in demanding conditions.

This bearing comes preloaded for immediate use and is lubricated for reduced maintenance. Ideal for high-speed applications like machine tool spindles or precision equipment where accuracy is crucial.

Weighing just 0.32kg, it’s lightweight yet robust, with a temperature range of -30°C to 110°C. Compliant with P4A tolerance class for superior performance. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71912 ACE/HCP4ADT
  • 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 << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 5648 lbf
  • Static Radial Load 4950 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 33000 rpm
  • Weight 0.32 kg
Super Precision Angular Contact Ball Bearings 71912 ACE/HCP4ADT dimension drawing
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Features

How Is 71912 ACE/HCP4ADT Bearing Engineered for Reliability?

71912 ACE/HCP4ADT Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
The ceramic balls and chrome steel rings enhance durability, reducing friction and wear.

With a dynamic radial load capacity of 5648 lbf, it performs reliably under high-stress conditions.
The phenolic cage ensures smooth operation, even at speeds up to 33,000 rpm.

Its precision P4A tolerance class guarantees consistent performance in demanding applications.
The matched arrangement of two bearings further improves stability and load distribution.

Application

Essential Roles of 71912 ACE/HCP4ADT Bearing
71912 ACE/HCP4ADT Bearing is widely used in high-speed machine tools, where its precision and ceramic balls reduce friction and heat buildup. The 25° contact angle ensures stable performance under angular loads, making it ideal for spindle applications.

What Makes 71912 ACE/HCP4ADT Bearing a Preferred Choice?
In robotics, 71912 ACE/HCP4ADT Bearing provides smooth motion control in articulated arms, thanks to its phenolic cage and matched arrangement. The P4A tolerance class guarantees consistent accuracy in repetitive tasks.

Built for Heavy-Duty Use: 71912 ACE/HCP4ADT Bearing
This bearing excels in aerospace applications, such as helicopter rotor systems, where its dynamic radial load capacity and high-speed capabilities are crucial. The lubricated design ensures long service life even in demanding conditions.

Medical vs Industrial: Where 71912 ACE/HCP4ADT Bearing Excels
In medical imaging devices, 71912 ACE/HCP4ADT Bearing offers quiet operation and reliability, while in industrial pumps, its ceramic balls resist corrosion from harsh fluids. The wide temperature range adds versatility across environments.

Q&A

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