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Super Precision Angular Contact Ball Bearings 71905 ACDGA/P4A
Super Precision Angular Contact Ball Bearings 71905 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 71905 ACDGA/P4A

The 71905 ACDGA/P4A is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from high-quality chrome steel. Its compact 9mm width makes it suitable for tight spaces while maintaining robust performance.

Designed for angular contact loads, it handles dynamic radial loads up to 1433 lbf and spins smoothly at speeds up to 53,000 RPM. The phenolic cage ensures durability and reduces friction during high-speed operations.

With an extra light preload (Class A) and P4A tolerance, it offers exceptional accuracy for precision applications. The open design allows easy lubrication and maintenance.

Ideal for machine tools, spindles, or high-precision equipment where low friction and tight tolerances are crucial. Its universal matching capability supports back-to-back, face-to-face, or tandem arrangements for versatile use.

Weighing just 0.042kg, it’s lightweight yet reliable, operating in temperatures from -30°C to 110°C. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71905 ACDGA/P4A
  • 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 9 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 No
  • Number Of Bearings In Matched Set 4
  • 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 1433 lbf
  • Static Radial Load 855 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 53000 rpm
  • Weight 0.042 kg
  • Price($) 65.376

Features

How Is 71905 ACDGA/P4A Bearing Engineered for Reliability?

71905 ACDGA/P4A Bearing features a 25° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 1433 lbf, it handles demanding tasks efficiently.
The P4A tolerance class guarantees high precision, making it suitable for critical operations.

Designed for speeds up to 53,000 rpm, it maintains performance in high-speed environments.
Its open design allows for easy lubrication, ensuring smooth operation over time.

Application

Industrial Uses of 71905 ACDGA/P4A Bearing
71905 ACDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The open seal type allows for efficient lubrication, extending its lifespan in demanding conditions.

Where Is 71905 ACDGA/P4A Bearing Used?
In automotive applications, 71905 ACDGA/P4A Bearing supports components like electric motors and gearboxes, thanks to its high-speed capability and durability. The metric sizing makes it a versatile choice for various vehicle models.

Perfect Fit for Automation: 71905 ACDGA/P4A Bearing
For robotics and automation systems, 71905 ACDGA/P4A Bearing provides reliable performance in mechanical arms and precision equipment. Its phenolic cage material reduces friction, ensuring smooth operation.

Medical vs Industrial: Where 71905 ACDGA/P4A Bearing Excels
In medical devices, 71905 ACDGA/P4A Bearing is ideal for imaging equipment, offering consistent performance. Meanwhile, in industrial settings, it handles high-speed operations with ease, thanks to its chrome steel construction.

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