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Super Precision Angular Contact Ball Bearings 71920 ACE/HCP4ADT

Super Precision Angular Contact Ball Bearings 71920 ACE/HCP4ADT

The 71920 ACE/HCP4ADT is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, designed for high-speed applications. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 13612 lbf.

The matched pair arrangement with preload offers enhanced stability, while the phenolic cage reduces friction. It can handle speeds up to 15000 RPM and operates in temperatures from -30°C to 110°C.

This bearing is ideal for precision machinery like CNC spindles or high-performance motors. Its P4A tolerance class guarantees exceptional accuracy for demanding tasks.

Weighing 1.3kg, it’s robust yet manageable for installation. The open design allows easy lubrication, ensuring long service life. Compatible with SKF equivalents for hassle-free replacements.

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Product Parameters

  • Part Number 71920 ACE/HCP4ADT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 40 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 13612 lbf
  • Static Radial Load 13500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.3 kg
Super Precision Angular Contact Ball Bearings 71920 ACE/HCP4ADT dimension drawing
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Features

Performance Features of 71920 ACE/HCP4ADT Bearing

71920 ACE/HCP4ADT Bearing is crafted with chrome steel rings and ceramic balls, offering high precision and durability.

Its 25° contact angle ensures optimal performance in angular contact applications, handling dynamic radial loads up to 13612 lbf.

The phenolic cage maintains ball alignment, reducing friction and extending service life.

With a maximum speed of 15,000 rpm, it excels in high-speed operations while maintaining stability.

Application

Industrial Uses of 71920 ACE/HCP4ADT Bearing
71920 ACE/HCP4ADT Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls and phenolic cage reduce friction, making it suitable for high-speed operations.

In automotive applications, 71920 ACE/HCP4ADT Bearing supports performance in gearboxes and wheel hubs, handling both radial and axial loads efficiently. Its P4A tolerance class guarantees consistent performance under demanding conditions.

For robotics, 71920 ACE/HCP4ADT Bearing provides smooth motion in articulated arms and joints, thanks to its preloaded matched arrangement. The open seal type allows for easy lubrication, extending service life in continuous use.

Medical imaging devices benefit from 71920 ACE/HCP4ADT Bearing’s precision, ensuring stable rotation in scanners and diagnostic equipment. The chrome steel rings and ceramic balls offer durability in sterile environments.

In aerospace systems, 71920 ACE/HCP4ADT Bearing’s lightweight design and high-speed capability make it ideal for actuators and control mechanisms. The wide temperature range ensures reliability in varying operational conditions.

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