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Super Precision Angular Contact Ball Bearings 71902 ACD/P4ADGA

Super Precision Angular Contact Ball Bearings 71902 ACD/P4ADGA

The 71902 ACD/P4ADGA is a super precision angular contact ball bearing with a compact size of 15mm by 28mm by 14mm, crafted from durable chrome steel. It features a 25° contact angle and is lubricated for smooth operation.

This bearing handles radial loads up to 1390 lbf and spins at speeds up to 95,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures stability and reduces friction during use.

The universal matching design allows flexible arrangements like back-to-back or face-to-face, ideal for precision machinery. Weighing just 0.03kg, it’s lightweight yet robust for its size. Perfect for applications requiring high-speed and accurate positioning, such as spindles or medical equipment.

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Product Parameters

  • Part Number 71902 ACD/P4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 15 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 28 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 13
  • 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 1390 lbf
  • Static Radial Load 810 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 95000 rpm
  • Weight 0.03 kg
Super Precision Angular Contact Ball Bearings 71902 ACD/P4ADGA dimension drawing
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Features

Performance Features of 71902 ACD/P4ADGA Bearing

71902 ACD/P4ADGA Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its universal matching allows flexible arrangements like back-to-back or face-to-face, adapting to various applications.

The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
With a maximum speed of 95,000 rpm, it delivers smooth performance in high-speed operations.

71902 ACD/P4ADGA Bearing’s extra light preload enhances precision, making it suitable for demanding tasks.
Its P4A tolerance class guarantees consistent accuracy and reliability in critical environments.

Application

Common Applications of 71902 ACD/P4ADGA Bearing
71902 ACD/P4ADGA Bearing is widely used in machine tools, where its super precision and angular contact design ensure accurate spindle rotation. The extra light preload makes it suitable for high-speed operations without compromising stability.

In robotics, 71902 ACD/P4ADGA Bearing supports articulated arms, providing smooth movement and low friction. Its universal matching feature allows for flexible arrangements, enhancing performance in automated systems.

For medical imaging devices, 71902 ACD/P4ADGA Bearing’s phenolic cage and chrome steel construction offer reliability and quiet operation. The P4A tolerance class ensures consistent performance in sensitive applications.

Where Is 71902 ACD/P4ADGA Bearing Used?
You’ll often find 71902 ACD/P4ADGA Bearing in CNC machines, where its high-speed capability and precision are essential. The 25° contact angle helps manage both radial and axial loads effectively.

In aerospace applications, 71902 ACD/P4ADGA Bearing is chosen for its lightweight design and durability. The lubricated setup ensures long service life even in demanding conditions.

Built for Heavy-Duty Use: 71902 ACD/P4ADGA Bearing
71902 ACD/P4ADGA Bearing excels in industrial pumps, handling both radial and thrust loads with ease. Its chrome steel rings and phenolic cage provide excellent wear resistance.

For electric motors, 71902 ACD/P4ADGA Bearing’s low friction and high-speed rating make it a reliable choice. The matched set option simplifies installation and maintenance.

Automotive vs Aerospace: Applications of 71902 ACD/P4ADGA Bearing
In automotive transmissions, 71902 ACD/P4ADGA Bearing ensures smooth gear shifts with its angular contact design. The metric sizing fits well with European and Asian vehicle standards.

For aerospace actuators, 71902 ACD/P4ADGA Bearing’s lightweight and precision are crucial. The temperature range of -30°C to 110°C ensures performance in varied environments.

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