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Super Precision Angular Contact Ball Bearings 71952 ACD/P4ADBB

Super Precision Angular Contact Ball Bearings 71952 ACD/P4ADBB

The 71952 ACD/P4ADBB is a super precision angular contact ball bearing with a 260mm bore and 360mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 98100 lbf and operates smoothly at speeds up to 4500 RPM.

With a 25° contact angle and light preload, it offers excellent stability for angular contact applications. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This matched set of two bearings (DB arrangement) is ideal for precision machinery like spindles or CNC equipment. It performs reliably in temperatures from -30°C to 110°C.

Weighing 24.4kg, it’s a robust choice for industrial use. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71952 ACD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 260 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 360 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 92 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 30.162 mm
  • Ball Qty 29
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 98100 lbf
  • Static Radial Load 180000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 4500 rpm
  • Weight 24.4 kg
Super Precision Angular Contact Ball Bearings 71952 ACD/P4ADBB dimension drawing
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Features

Performance Features of 71952 ACD/P4ADBB Bearing

71952 ACD/P4ADBB Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 98100 lbf.

The matched arrangement of two bearings ensures stability and smooth operation under angular contact loads.
With a maximum speed of 4,500 rpm, it balances high performance and reliability.

Phenolic cage material reduces friction, contributing to quieter operation and extended service life.
The P4A tolerance class guarantees consistent precision in demanding environments.

Light preload class B enhances performance, making it suitable for high-precision machinery.
Its open design allows for easy lubrication, maintaining optimal performance over time.

Application

Industrial Uses of 71952 ACD/P4ADBB Bearing
71952 ACD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability under heavy radial loads.

In aerospace applications, 71952 ACD/P4ADBB Bearing supports critical components like turbine shafts, thanks to its light preload and phenolic cage. The P4A tolerance class guarantees consistent performance in demanding conditions.

For automation systems, 71952 ACD/P4ADBB Bearing excels in robotic arms, offering smooth movement with minimal friction. Its chrome steel construction ensures long-lasting durability even in continuous operation.

Medical imaging devices benefit from 71952 ACD/P4ADBB Bearing’s precision, as it maintains exact alignment in rotating components. The open seal design allows for easy lubrication, extending service life.

In heavy machinery, 71952 ACD/P4ADBB Bearing handles substantial loads while maintaining low vibration levels. The 25° contact angle optimises load distribution for reliable performance.

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