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Super Precision Angular Contact Ball Bearings 71912 ACD/P4ADGB

Super Precision Angular Contact Ball Bearings 71912 ACD/P4ADGB

The 71912 ACD/P4ADGB is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel. Its 25° contact angle and light preload ensure smooth operation under radial loads up to 6795 lbf.

With a maximum speed of 33,000 RPM and a phenolic cage, it offers reliable performance in high-speed applications. The open design allows for easy lubrication, extending its service life.

This bearing is part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for precision machinery like spindles or CNC equipment where accuracy is key.

Weighing 0.38kg, it operates efficiently in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71912 ACD/P4ADGB
  • 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 26 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 6795 lbf
  • Static Radial Load 6525 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 33000 rpm
  • Weight 0.38 kg
  • Price（$） 244.872
Super Precision Angular Contact Ball Bearings 71912 ACD/P4ADGB dimension drawing
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Features

Performance Features of 71912 ACD/P4ADGB Bearing

71912 ACD/P4ADGB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under high-speed conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 6795 lbf, it handles demanding tasks efficiently.

71912 ACD/P4ADGB Bearing operates at speeds up to 33,000 rpm, making it suitable for precision machinery.
Its universal matching design allows flexible arrangement options, including back-to-back and face-to-face configurations.

The P4A tolerance class ensures high precision, while the open seal type simplifies maintenance.
Its temperature range of -30°C to 110°C ensures reliable performance in varied environments.

Application

Common Applications of 71912 ACD/P4ADGB Bearing
71912 ACD/P4ADGB Bearing is widely used in high-speed machine tools, where its precision and light preload ensure smooth operation. The 25° contact angle makes it suitable for handling combined radial and axial loads efficiently.

In robotics, 71912 ACD/P4ADGB Bearing supports articulated arms, providing the necessary accuracy for repetitive tasks. Its universal matching feature allows flexible arrangement in tight spaces.

For aerospace applications, 71912 ACD/P4ADGB Bearing’s phenolic cage and chrome steel construction offer reliability in demanding conditions. The P4A tolerance class ensures consistent performance in critical systems.

Where Is 71912 ACD/P4ADGB Bearing Used?
You’ll often find 71912 ACD/P4ADGB Bearing in CNC spindles, where its high-speed capability and precision are key. The open design allows for effective lubrication, extending service life.

In medical imaging devices, 71912 ACD/P4ADGB Bearing provides quiet and smooth rotation. Its low friction and high accuracy are essential for clear diagnostic results.

Built for Heavy-Duty Use: 71912 ACD/P4ADGB Bearing
71912 ACD/P4ADGB Bearing excels in industrial pumps, handling both radial and thrust loads with ease. The chrome steel rings and balls ensure durability in harsh environments.

For automotive testing equipment, 71912 ACD/P4ADGB Bearing offers reliable performance under varying loads. Its universal matching simplifies installation and maintenance.

Automotive vs Aerospace: Applications of 71912 ACD/P4ADGB Bearing
In automotive transmissions, 71912 ACD/P4ADGB Bearing supports high-speed shafts, ensuring smooth gear shifts. Its light preload reduces friction and heat buildup.

For aerospace actuators, 71912 ACD/P4ADGB Bearing’s precision and reliability are critical. The phenolic cage withstands temperature fluctuations, making it ideal for flight conditions.

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