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Super Precision Angular Contact Ball Bearings 71912 ACD/P4ADGA

Super Precision Angular Contact Ball Bearings 71912 ACD/P4ADGA

The 71912 ACD/P4ADGA is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes in a universal matching set of two bearings.

This bearing handles radial loads up to 6795 lbf and spins smoothly at speeds up to 33,000 RPM. Its phenolic cage ensures quiet operation and long service life, even in demanding conditions.

Designed for extra light preload, it offers high precision with minimal friction. The open seal allows easy lubrication and maintenance. Ideal for machine tools, spindles, or high-speed applications where accuracy is key.

Weighing just 0.38kg, it’s lightweight yet robust. Compliant with P4A tolerance class, it’s interchangeable with SKF bearings for easy replacement. Works in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71912 ACD/P4ADGA
  • 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 Extra light / Class A
  • 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（$） 244.881
Super Precision Angular Contact Ball Bearings 71912 ACD/P4ADGA dimension drawing
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Features

Performance Features of 71912 ACD/P4ADGA Bearing

71912 ACD/P4ADGA Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 25° contact angle provides excellent angular contact performance, ideal for complex load conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 6795 lbf, it handles demanding applications with ease.

71912 ACD/P4ADGA Bearing operates at speeds up to 33,000 rpm, balancing speed and reliability.
Its universal matching design allows flexible arrangements like back-to-back or face-to-face configurations.

The extra light preload ensures minimal friction, making it suitable for precision tasks.
Its temperature range of -30°C to 110°C ensures consistent performance in varied environments.

Application

Key Fields for 71912 ACD/P4ADGA Bearing
71912 ACD/P4ADGA Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle performance. The extra light preload makes it ideal for applications requiring minimal friction.

In robotics, 71912 ACD/P4ADGA Bearing supports articulated arms, providing smooth movement and reliability. Its universal matching feature allows flexible arrangements, adapting to various load directions.

For aerospace components, 71912 ACD/P4ADGA Bearing offers consistent performance under radial and axial loads. The phenolic cage material enhances durability in demanding environments.

Medical imaging devices benefit from 71912 ACD/P4ADGA Bearing’s low vibration and high-speed capabilities. The P4A tolerance class ensures exceptional accuracy for sensitive equipment.

Q&A

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