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

Super Precision Angular Contact Ball Bearings 71920 ACD/HCP4A

The 71920 ACD/HCP4A is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 12870 lbf and operates smoothly at speeds up to 15000 RPM.

With a 25° contact angle and ceramic balls, it offers low friction and high accuracy, ideal for precision applications. The phenolic cage ensures quiet operation and long service life.

This open-design bearing comes pre-lubricated and works in temperatures from -30°C to 110°C. Its P4 tolerance class (ABEC-7) makes it suitable for high-precision machinery like CNC spindles or medical equipment.

Weighing 0.67kg, it’s a robust yet lightweight choice for demanding angular contact load scenarios. Interchangeable with SKF bearings for easy replacement.

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

Product Parameters

  • Part Number 71920 ACD/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 26
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 12870 lbf
  • Static Radial Load 14175 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.67 kg
  • Price（$） 122.868
Super Precision Angular Contact Ball Bearings 71920 ACD/HCP4A dimension drawing
Download DWG Download PDF

Features

Performance Features of 71920 ACD/HCP4A Bearing

71920 ACD/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction for smoother operation.

With a dynamic radial load capacity of 12870 lbf, it handles high-performance demands effortlessly.
Its phenolic cage ensures stability at speeds up to 15,000 rpm, maintaining precision under stress.

The P4 tolerance class guarantees exceptional accuracy, ideal for precision machinery.
Open design allows easy lubrication, ensuring consistent performance in varied conditions.

Operating between -30°C to 110°C, it remains reliable in diverse environments.
The ceramic balls also contribute to lower heat generation, extending service life.

Application

Key Fields for 71920 ACD/HCP4A Bearing
71920 ACD/HCP4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

In automotive applications, 71920 ACD/HCP4A Bearing supports components like wheel hubs and transmissions, handling both radial and axial loads efficiently. Its phenolic cage offers durability in varying temperature conditions.

For robotics, 71920 ACD/HCP4A Bearing provides smooth motion in articulated arms and joints, thanks to its P4 tolerance class. The open seal design allows for easy lubrication, extending service life in continuous operations.

Medical imaging devices benefit from 71920 ACD/HCP4A Bearing’s precision, ensuring stable performance in sensitive equipment. The chrome steel rings and ceramic balls combine for reliable, long-term use.

In aerospace systems, 71920 ACD/HCP4A Bearing handles high loads while maintaining precision, ideal for actuators and control mechanisms. Its lightweight design and high-speed capability make it a practical choice for demanding environments.

Q&A

SEND INQUIRY