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Super Precision Angular Contact Ball Bearings S71912 ACEGA/HCP4A

Super Precision Angular Contact Ball Bearings S71912 ACEGA/HCP4A

The S71912 ACEGA/HCP4A is a super precision angular contact ball bearing measuring 60mm by 85mm by 13mm, crafted from durable chrome steel with ceramic balls. It handles radial loads up to 3442 lbf and spins smoothly at speeds up to 32,500 RPM, thanks to its phenolic cage and grease lubrication.

With a 25° contact angle and P4A tolerance class, it offers excellent accuracy for high-performance applications. The sealed design keeps contaminants out, ensuring reliable operation in temperatures from -30°C to 110°C.

This bearing is ideal for precision machinery like spindles or CNC equipment, where low friction and high-speed performance are key. Weighing just 0.16kg, it’s lightweight yet robust, and can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

Interchangeable with SKF bearings, it’s a practical choice for replacements or upgrades in demanding industrial settings.

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Product Parameters

  • Part Number S71912 ACEGA/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 23
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • 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 3442 lbf
  • Static Radial Load 2475 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 32500 rpm
  • Weight 0.16 kg
Super Precision Angular Contact Ball Bearings S71912 ACEGA/HCP4A dimension drawing
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Features

Performance Features of S71912 ACEGA/HCP4A Bearing

S71912 ACEGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle provides excellent angular contact performance, ideal for complex load conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 3442 lbf, it handles demanding applications with ease.

S71912 ACEGA/HCP4A Bearing operates efficiently at speeds up to 32,500 rpm, balancing speed and reliability.
Its sealed design and grease lubrication minimise maintenance needs, extending service life.

The P4A tolerance class ensures consistent performance, making it suitable for precision tasks.
Its temperature range of -30°C to 110°C allows reliable operation in various environments.

Application

Key Fields for S71912 ACEGA/HCP4A Bearing
S71912 ACEGA/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design keeps contaminants out, ensuring long-lasting performance in demanding industrial settings.

In robotics, S71912 ACEGA/HCP4A Bearing provides smooth motion control for precision arms and joints, thanks to its extra-light preload and angular contact design. Its compact size makes it ideal for space-constrained applications.

For medical imaging devices, S71912 ACEGA/HCP4A Bearing’s P4A tolerance class ensures the accuracy needed for sensitive diagnostic equipment. The grease lubrication and temperature range suit continuous operation in clinical environments.

Automotive applications like electric motor shafts benefit from S71912 ACEGA/HCP4A Bearing’s high-speed capability and dynamic radial load handling. The chrome steel rings offer durability under constant angular forces.

In 3D printers, S71912 ACEGA/HCP4A Bearing’s low friction and precise movement contribute to consistent print quality. The universal matching feature allows flexible mounting configurations for various printer designs.

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