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Super Precision Angular Contact Ball Bearings 71912 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings 71912 ACDGA/HCP4A

The 71912 ACDGA/HCP4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, measuring just 13mm wide. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

It handles radial loads up to 4185 lbf and spins at speeds up to 33,000 RPM, making it ideal for high-performance applications. The phenolic cage ensures stability and reduces friction.

With a 25° contact angle and P4A tolerance class, it provides excellent precision for demanding setups. It works in temperatures from -30°C to 110°C and comes pre-lubricated for easy use.

This bearing is universal matching, suitable for back-to-back, face-to-face, or tandem arrangements. Perfect for machine tools or high-speed spindles where accuracy is crucial. Weighing only 0.16kg, it’s lightweight yet robust.

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Product Parameters

  • Part Number 71912 ACDGA/HCP4A
  • 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 13 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 No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4185 lbf
  • Static Radial Load 3285 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 33000 rpm
  • Weight 0.16 kg
Super Precision Angular Contact Ball Bearings 71912 ACDGA/HCP4A dimension drawing
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Features

Performance Features of 71912 ACDGA/HCP4A Bearing

71912 ACDGA/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 33,000 rpm.
This design maintains precision under dynamic radial loads of 4185 lbf.

71912 ACDGA/HCP4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its P4A tolerance class guarantees consistent performance in precision tasks.

With universal matching options, it offers flexibility for various mounting configurations.
The lubricated design reduces maintenance needs, ensuring long-term reliability.

Application

Common Applications of 71912 ACDGA/HCP4A Bearing
71912 ACDGA/HCP4A Bearing is widely used in high-speed machine tools, where its angular contact design ensures precise spindle rotation. The ceramic balls reduce friction, making it suitable for applications demanding smooth operation.
In robotics, 71912 ACDGA/HCP4A Bearing supports articulated arms, providing stability during rapid movements. Its phenolic cage offers durability in environments with frequent direction changes.
For medical imaging devices, 71912 ACDGA/HCP4A Bearing’s P4A tolerance class guarantees accuracy in sensitive equipment. The open seal design allows for easy lubrication, extending service life in critical applications.

How Does 71912 ACDGA/HCP4A Bearing Improve Performance?
71912 ACDGA/HCP4A Bearing enhances performance in CNC machines by maintaining rigidity under heavy loads. Its 25° contact angle distributes forces evenly, reducing wear over time.
The bearing’s ceramic balls and chrome steel rings work together to minimise heat generation in high-speed scenarios. This makes it a reliable choice for precision grinding applications.

Built for Heavy-Duty Use: 71912 ACDGA/HCP4A Bearing
71912 ACDGA/HCP4A Bearing handles demanding conditions in industrial gearboxes, where its extra light preload ensures smooth torque transmission. The metric dimensions make it compatible with various European machinery standards.
Its universal matching capability allows for flexible arrangements in complex mechanical systems. This versatility is particularly useful in custom automation solutions.

Automotive vs Aerospace: Applications of 71912 ACDGA/HCP4A Bearing
In automotive systems, 71912 ACDGA/HCP4A Bearing supports high-performance transmissions, where its speed rating meets rigorous demands. The phenolic cage withstands vibrations common in vehicle applications.
For aerospace components, the bearing’s ceramic construction provides reliability in extreme temperature variations. Its P4A precision class ensures consistent performance in flight control systems.

Q&A

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