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Super Precision Angular Contact Ball Bearings 71910 ACE/HCP4A

Super Precision Angular Contact Ball Bearings 71910 ACE/HCP4A

The 71910 ACE/HCP4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from chrome steel for durability. It features a 25° contact angle and ceramic balls for smooth operation.

With a dynamic radial load capacity of 2722 lbf, it handles high speeds up to 43,000 RPM. The phenolic cage ensures stability, while the open design allows for easy lubrication.

This bearing is ideal for precision applications like machine tools or high-speed spindles. Its P4 tolerance class guarantees accurate performance in demanding conditions.

Weighing just 0.11kg, it’s lightweight yet robust. Compatible with SKF bearings, it’s a reliable choice for replacements or upgrades.

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Product Parameters

  • Part Number 71910 ACE/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • 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° to 110 °C
  • Max Speed 43000 rpm
  • Weight 0.11 kg
  • Price（$） 371.655
Super Precision Angular Contact Ball Bearings 71910 ACE/HCP4A dimension drawing
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Features

Performance Features of 71910 ACE/HCP4A Bearing

71910 ACE/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring smooth operation under high-speed conditions.
Its dynamic radial load capacity of 2722 lbf makes it suitable for precision applications requiring durability.
The phenolic cage maintains ball alignment, reducing friction and extending service life.
With a maximum speed of 43,000 rpm, it excels in demanding environments.

How Is 71910 ACE/HCP4A Bearing Engineered for Reliability?

71910 ACE/HCP4A Bearing features a 25° contact angle, optimised for angular contact loads and precision performance.
The ceramic balls reduce friction, enhancing efficiency and reducing heat generation.
Its P4 tolerance class ensures high accuracy, making it ideal for precision machinery.
The open design allows for easy lubrication, maintaining smooth operation over time.

Designed for Durability: 71910 ACE/HCP4A Bearing

71910 ACE/HCP4A Bearing’s chrome steel rings and ceramic balls provide excellent resistance to wear and tear.
Its phenolic cage offers stability, ensuring consistent performance even at high speeds.
The bearing operates efficiently within a temperature range of -30° to 110°C.
With a static radial load capacity of 1834 lbf, it handles demanding applications with ease.

Application

Industrial Uses of 71910 ACE/HCP4A Bearing
71910 ACE/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The 25° contact angle ensures stable performance under combined radial and axial loads.

In robotics, 71910 ACE/HCP4A Bearing provides precise motion control for articulated arms, thanks to its P4 tolerance class. The open design allows for custom lubrication to suit specific operational needs.

For aerospace applications, 71910 ACE/HCP4A Bearing’s lightweight construction and high-speed capability make it suitable for auxiliary systems. Its matched arrangement option further enhances alignment accuracy in critical assemblies.

Why Is 71910 ACE/HCP4A Bearing Essential in Machinery?
71910 ACE/HCP4A Bearing excels in CNC spindles, where its ABEC-7 precision ensures minimal runout during high-speed rotations. The chrome steel rings offer durability even under continuous operation.

In medical imaging devices, 71910 ACE/HCP4A Bearing’s smooth operation reduces vibration, crucial for clear scan results. The ceramic balls also resist corrosion from frequent sterilisation processes.

Built for Heavy-Duty Use: 71910 ACE/HCP4A Bearing
71910 ACE/HCP4A Bearing handles demanding conditions in industrial pumps, with its dynamic radial load capacity of 2722 lbf. The phenolic cage withstands chemical exposure in harsh environments.

For automation equipment, 71910 ACE/HCP4A Bearing’s preload option eliminates play in linear motion systems. Its temperature range of -30° to 110°C ensures reliability across various operating conditions.

Automotive vs Aerospace: Applications of 71910 ACE/HCP4A Bearing
In automotive turbochargers, 71910 ACE/HCP4A Bearing supports high RPM shafts with minimal lubrication needs. The ceramic balls prevent skidding during rapid acceleration.

For aircraft hydraulic systems, 71910 ACE/HCP4A Bearing’s lightweight design reduces fuel consumption. Its matched sets maintain precision even under variable pressure loads.

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