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Super Precision Angular Contact Ball Bearings 71912 ACDGB/HCP4A

Super Precision Angular Contact Ball Bearings 71912 ACDGB/HCP4A

The 71912 ACDGB/HCP4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, designed for high-speed applications. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 4185 lbf.

With a phenolic cage and chrome steel rings, it offers durability and can handle speeds up to 33,000 RPM. The open design allows easy lubrication, making maintenance straightforward.

This bearing is ideal for precision machinery like spindles or CNC tools where accuracy is key. It’s interchangeable with SKF bearings and comes pre-lubricated for immediate use.

Weighing just 0.16kg, it’s lightweight yet robust, suitable for temperatures from -30°C to 110°C. Its P4A tolerance class ensures reliable performance in demanding conditions.

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Product Parameters

  • Part Number 71912 ACDGB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4185 lbf
  • Static Radial Load 3285 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 33000 rpm
  • Weight 0.16 kg
Super Precision Angular Contact Ball Bearings 71912 ACDGB/HCP4A dimension drawing
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Features

How Does 71912 ACDGB/HCP4A Bearing Achieve High-Speed Performance?

71912 ACDGB/HCP4A Bearing features ceramic balls and a phenolic cage, reducing friction for smoother high-speed operation.
Its dynamic radial load capacity of 4185 lbf ensures stability even under demanding conditions.

The 25° contact angle design enhances precision, making it suitable for angular contact applications.
With a maximum speed of 33,000 rpm, it delivers reliable performance in high-speed environments.

Chrome steel rings provide durability, while the open seal type allows for easy lubrication.
This combination ensures long service life and minimal maintenance requirements.

Application

Key Fields for 71912 ACDGB/HCP4A Bearing
71912 ACDGB/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 angular loads, making it ideal for precision grinding applications.

How Does 71912 ACDGB/HCP4A Bearing Improve Performance?
In automotive transmissions, 71912 ACDGB/HCP4A Bearing handles high rotational speeds with minimal vibration, thanks to its P4A tolerance class. The chrome steel rings provide durability, while the ceramic balls enhance efficiency in demanding conditions.

Perfect Fit for Automation: 71912 ACDGB/HCP4A Bearing
71912 ACDGB/HCP4A Bearing excels in robotic arms, where its light preload and high-speed capability ensure smooth, precise movements. The open design allows for easy lubrication, extending service life in continuous operation.

Medical vs Industrial: Where 71912 ACDGB/HCP4A Bearing Excels
In medical imaging devices, 71912 ACDGB/HCP4A Bearing’s low noise and high accuracy are crucial for clear scans. Industrial pumps benefit from its ability to handle both radial and axial loads reliably, even in harsh environments.

Q&A

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