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Super Precision Angular Contact Ball Bearings 71912 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 71912 ACDGA/P4A

The 71912 ACDGA/P4A 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 efficiently handles both radial and axial loads, with dynamic radial load capacity up to 4185 lbf.

Made from durable chrome steel with a phenolic cage, it spins smoothly at speeds up to 33,000 RPM. The open design allows easy lubrication, while the P4A tolerance class ensures exceptional running accuracy.

This bearing operates in temperatures from -30°C to 110°C and weighs just 0.19kg. It can be arranged in back-to-back, face-to-face, or tandem configurations for versatile use.

Ideal for precision machinery like spindles or CNC equipment where high speed and accuracy are crucial. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71912 ACDGA/P4A
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • 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 0.19 kg
  • Price（$） 122.148
Super Precision Angular Contact Ball Bearings 71912 ACDGA/P4A dimension drawing
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Features

Performance Features of 71912 ACDGA/P4A Bearing

71912 ACDGA/P4A Bearing is designed with a 25° contact angle, optimising load distribution for high-precision applications.
Its chrome steel rings and balls ensure durability and consistent performance under dynamic radial loads up to 4185 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 33,000 rpm, it excels in high-speed scenarios while maintaining precision.

71912 ACDGA/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures minimal resistance, ideal for sensitive machinery.

The open design allows for easy lubrication, extending service life and reducing maintenance needs.
Its universal matching capability supports various configurations, including back-to-back and face-to-face arrangements.

Application

Industrial Uses of 71912 ACDGA/P4A Bearing
71912 ACDGA/P4A Bearing is commonly used in high-speed machine spindles, where its precision and angular contact design ensure accurate rotation. The phenolic cage helps reduce friction, making it suitable for continuous operation.

What Makes 71912 ACDGA/P4A Bearing a Preferred Choice?
In robotics, 71912 ACDGA/P4A Bearing provides smooth motion control for articulated arms, thanks to its extra light preload. The chrome steel construction ensures durability even in repetitive movements.

Perfect Fit for Automation: 71912 ACDGA/P4A Bearing
71912 ACDGA/P4A Bearing excels in automated production lines, particularly in pick-and-place systems. Its P4A tolerance class guarantees consistent performance under varying loads.

Medical vs Industrial: Where 71912 ACDGA/P4A Bearing Excels
For medical imaging devices, 71912 ACDGA/P4A Bearing offers quiet and precise rotation. In industrial settings, it handles high-speed operations like CNC machining with reliability.

Where Is 71912 ACDGA/P4A Bearing Used?
You’ll find 71912 ACDGA/P4A Bearing in aerospace applications, such as gyroscopes, where its high-speed capability and precision are critical. The open design allows for easy lubrication maintenance.

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