+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71920 ACE/HCP4A

Super Precision Angular Contact Ball Bearings 71920 ACE/HCP4A

The 71920 ACE/HCP4A is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from high-quality chrome steel and ceramic balls. It handles radial loads up to 8348 lbf and operates smoothly at speeds up to 22,000 RPM.

Its 25° contact angle and phenolic cage ensure excellent performance under angular loads, while the open design allows for easy lubrication. The bearing is preloaded and available in matched arrangements for enhanced stability.

Ideal for high-speed applications like machine tool spindles or precision instruments, it works in temperatures from -30°C to 110°C. With a P4 tolerance class, it offers exceptional accuracy for demanding tasks.

Weighing 0.65kg, it’s a robust yet lightweight choice for industrial use. Compatible with SKF bearings, it simplifies replacements and upgrades.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 71920 ACE/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 24
  • 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 8348 lbf
  • Static Radial Load 6750 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 22000 rpm
  • Weight 0.65 kg
  • Price（$） 122.886
Super Precision Angular Contact Ball Bearings 71920 ACE/HCP4A dimension drawing
Download DWG Download PDF

Features

Why Choose 71920 ACE/HCP4A Bearing for Precision Tasks?

71920 ACE/HCP4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its ceramic balls and chrome steel rings reduce friction, enhancing performance in high-speed applications.

The phenolic cage ensures smooth operation, even at speeds up to 22,000 rpm.
With a P4 tolerance class, it delivers exceptional accuracy for demanding machinery.

71920 ACE/HCP4A Bearing’s open design allows for easy lubrication, maintaining optimal performance.
Its dynamic radial load capacity of 8348 lbf ensures reliability under heavy loads.

The matched arrangement option provides flexibility for complex mounting requirements.
This bearing operates efficiently within a temperature range of -30° to 110°C.

Application

Essential Roles of 71920 ACE/HCP4A Bearing
71920 ACE/HCP4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it suitable for demanding industrial environments.

In automotive applications, 71920 ACE/HCP4A Bearing supports components like electric motors and gearboxes, providing reliable operation under angular loads. Its P4 tolerance class ensures compatibility with high-performance vehicles.

For robotics, 71920 ACE/HCP4A Bearing’s phenolic cage and chrome steel rings offer durability in automated systems. The open design allows for easy lubrication, extending its lifespan in continuous-use scenarios.

Medical imaging devices benefit from 71920 ACE/HCP4A Bearing’s smooth operation and low heat generation. The ceramic balls and precise tolerances make it ideal for sensitive equipment requiring consistent performance.

Q&A

SEND INQUIRY