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Super Precision Angular Contact Ball Bearings 71920 ACDGA/HCP4AL

Super Precision Angular Contact Ball Bearings 71920 ACDGA/HCP4AL

The 71920 ACDGA/HCP4AL is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, measuring 20mm wide. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

It handles radial loads up to 12870 lbf and spins at speeds up to 15000 RPM, making it suitable for high-performance applications. The phenolic cage ensures stability and reduces friction.

With a 25° contact angle and extra light preload, it provides precise movement and low noise. The open design allows for easy lubrication and maintenance.

Ideal for machine tools, spindles, or other high-speed equipment where accuracy is key. It’s interchangeable with SKF bearings and comes in a matched set for versatile mounting options. Compliant with P4A tolerance class for reliable performance.

Weighing 0.67kg, it’s lightweight yet robust. Works in temperatures from -30°C to 110°C, ensuring versatility in various environments.

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Product Parameters

  • Part Number 71920 ACDGA/HCP4AL
  • 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 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 26
  • 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 12870 lbf
  • Static Radial Load 14175 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.67 kg
Super Precision Angular Contact Ball Bearings 71920 ACDGA/HCP4AL dimension drawing
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Features

Performance Features of 71920 ACDGA/HCP4AL Bearing

71920 ACDGA/HCP4AL Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
The 25° contact angle enhances load distribution, making it ideal for angular contact applications.
With a dynamic radial load capacity of 12870 lbf, it handles demanding tasks efficiently.
Its phenolic cage maintains ball alignment, reducing friction and wear.

How Does 71920 ACDGA/HCP4AL Bearing Achieve High-Speed Performance?

71920 ACDGA/HCP4AL Bearing’s ceramic balls and precision P4A tolerance class enable smooth operation at speeds up to 15,000 rpm.
The extra light preload ensures minimal friction, enhancing performance in high-speed applications.
Its open design allows for effective lubrication, further boosting efficiency.
The bearing’s temperature range of -30°C to 110°C ensures reliability in varied conditions.

Engineered for Precision: 71920 ACDGA/HCP4AL Bearing

71920 ACDGA/HCP4AL Bearing offers exceptional accuracy with its P4A tolerance class and 26 ceramic balls.
The chrome steel rings provide strength, while the phenolic cage ensures quiet and stable operation.
Its universal matching capability allows for flexible configurations like back-to-back or face-to-face arrangements.
This bearing is perfect for applications requiring high precision and reliability.

Application

Key Fields for 71920 ACDGA/HCP4AL Bearing
71920 ACDGA/HCP4AL Bearing is commonly used in high-precision machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The extra light preload ensures minimal vibration, crucial for fine machining tasks.

In robotics, 71920 ACDGA/HCP4AL Bearing supports articulated arms, offering reliable angular contact under dynamic loads. Its P4A tolerance class makes it ideal for repeatable, accurate movements in automated systems.

For aerospace applications, 71920 ACDGA/HCP4AL Bearing handles radial and axial loads in components like landing gear mechanisms. The wide temperature range (-30°C to 110°C) ensures performance in varying operational conditions.

Medical imaging devices benefit from 71920 ACDGA/HCP4AL Bearing’s low-noise rotation and consistent precision. The open design allows for easy lubrication, extending service life in critical healthcare equipment.

In electric vehicle drivetrains, 71920 ACDGA/HCP4AL Bearing’s high-speed capability (up to 15,000 rpm) supports efficient power transmission. The metric sizing ensures compatibility with global automotive standards.

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