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Super Precision Angular Contact Ball Bearings 71905 ACD/P4ATGA

Super Precision Angular Contact Ball Bearings 71905 ACD/P4ATGA

The 71905 ACD/P4ATGA is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 3105 lbf and spins smoothly at speeds up to 53000 RPM.

With a 25° contact angle and universal matching design, it offers flexibility for back-to-back, face-to-face, or tandem arrangements. The phenolic cage ensures quiet operation and long service life.

Its open design allows easy lubrication, while the P4A tolerance class guarantees high precision. Ideal for applications like machine tool spindles or high-speed robotics.

Weighing just 0.13kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial uses.

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Product Parameters

  • Part Number 71905 ACD/P4ATGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 27 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 18
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • 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 3105 lbf
  • Static Radial Load 2565 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 53000 rpm
  • Weight 0.13 kg
Super Precision Angular Contact Ball Bearings 71905 ACD/P4ATGA dimension drawing
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Features

Why Choose 71905 ACD/P4ATGA Bearing for Precision Tasks?

71905 ACD/P4ATGA Bearing features a 25° contact angle, ideal for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 3105 lbf, it handles demanding tasks with ease.
The universal matching design allows flexible arrangement options, including back-to-back and face-to-face configurations.

Operating at speeds up to 53,000 rpm, it delivers reliable performance in precision machinery.
The P4A tolerance class guarantees exceptional accuracy, making it suitable for critical applications.

Application

Industrial Uses of 71905 ACD/P4ATGA Bearing
71905 ACD/P4ATGA Bearing is commonly used in high-speed machine spindles, where its precision and low friction are essential for smooth operation. The universal matching design allows for flexible mounting in various configurations.

In robotics, 71905 ACD/P4ATGA Bearing provides reliable performance in articulated arms, ensuring accurate movement with minimal wear. Its phenolic cage helps reduce vibration, making it ideal for delicate tasks.

For aerospace applications, 71905 ACD/P4ATGA Bearing handles radial and axial loads in control systems, where consistent performance is critical. The P4A tolerance class ensures it meets stringent industry standards.

Medical imaging devices benefit from 71905 ACD/P4ATGA Bearing’s quiet operation and high-speed capabilities. The chrome steel construction offers durability in demanding environments.

In automotive transmissions, 71905 ACD/P4ATGA Bearing supports smooth gear shifts with its angular contact design. The extra light preload reduces friction, enhancing efficiency.

Q&A

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