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Super Precision Angular Contact Ball Bearings 71910 ACEGA/HCP4A

Super Precision Angular Contact Ball Bearings 71910 ACEGA/HCP4A

The 71910 ACEGA/HCP4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, designed for high-speed applications. Its compact 12mm width and lightweight 0.11kg design make it easy to fit into tight spaces.

With a 25° contact angle and ceramic balls, it handles radial loads up to 2722 lbf and spins smoothly at speeds up to 46,000 RPM. The phenolic cage ensures quiet operation and long service life.

This bearing is lubricated for ready-to-use installation and operates in temperatures from -30°C to 110°C. It meets P4A tolerance standards for exceptional precision.

Ideal for machine tools or high-speed spindles, it can be paired in back-to-back, face-to-face, or tandem arrangements. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71910 ACEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • 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 2722 lbf
  • Static Radial Load 1834 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.11 kg
Super Precision Angular Contact Ball Bearings 71910 ACEGA/HCP4A dimension drawing
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Features

Performance Features of 71910 ACEGA/HCP4A Bearing

71910 ACEGA/HCP4A Bearing is designed with a 25° contact angle, offering precise angular contact performance.
Its chrome steel rings and ceramic balls ensure smooth operation under high-speed conditions.

The phenolic cage maintains ball alignment, reducing friction and wear during rotation.
With a maximum speed of 46,000 rpm, it excels in applications requiring high precision.

71910 ACEGA/HCP4A Bearing’s extra light preload enhances performance in sensitive machinery.
Its dynamic radial load capacity of 2722 lbf ensures reliability in demanding tasks.

The open seal design allows for easy lubrication, extending the bearing’s service life.
Operating between -30°C to 110°C, it adapts to various environmental conditions.

Application

Common Applications of 71910 ACEGA/HCP4A Bearing
71910 ACEGA/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance class ensures exceptional precision for demanding industrial tasks.

In automotive applications, 71910 ACEGA/HCP4A Bearing supports components like electric motor shafts, thanks to its angular contact design. The extra light preload makes it ideal for smooth, low-vibration performance.

For robotics, 71910 ACEGA/HCP4A Bearing’s lightweight construction and high-speed capability suit precision arms and actuators. Its universal matching feature allows flexible arrangement in compact spaces.

Medical imaging devices benefit from 71910 ACEGA/HCP4A Bearing’s reliable operation and low noise levels. The chrome steel rings provide durability in continuous-use scenarios.

In 3D printers, 71910 ACEGA/HCP4A Bearing ensures accurate linear motion with minimal wear. The open design simplifies lubrication for long-term maintenance.

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