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Super Precision Angular Contact Ball Bearings 71952 ACD/P4AQBCA

Super Precision Angular Contact Ball Bearings 71952 ACD/P4AQBCA

The 71952 ACD/P4AQBCA is a super precision angular contact ball bearing with a 260mm bore and 360mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 157950 lbf and operates smoothly at speeds up to 4500 RPM.

Its 25° contact angle and matched arrangement of four bearings provide excellent stability for high-precision applications. The phenolic cage ensures quiet and efficient performance.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. Ideal for machine tools or spindle applications where precision and reliability are key.

Weighing 48.8kg, it’s robust yet designed for smooth operation. Compliant with P4A tolerance class, it’s a top choice for demanding industrial uses.

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Product Parameters

  • Part Number 71952 ACD/P4AQBCA
  • 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 184 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 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 157950 lbf
  • Static Radial Load 360000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 4500 rpm
  • Weight 48.8 kg
Super Precision Angular Contact Ball Bearings 71952 ACD/P4AQBCA dimension drawing
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Features

Performance Features of 71952 ACD/P4AQBCA Bearing

71952 ACD/P4AQBCA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads up to 157,950 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 4,500 rpm, it balances performance and reliability in demanding conditions.

71952 ACD/P4AQBCA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures minimal resistance, ideal for high-precision machinery.

The matched arrangement of four bearings provides consistent performance in angular contact applications.
Open seal design allows for easy lubrication, maintaining optimal functionality over time.

Application

Industrial Uses of 71952 ACD/P4AQBCA Bearing
71952 ACD/P4AQBCA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads. The phenolic cage reduces friction, making it suitable for high-speed operations.

In aerospace applications, 71952 ACD/P4AQBCA Bearing supports critical components like turbine shafts, thanks to its extra-light preload and P4A tolerance class. Its chrome steel construction provides durability in demanding environments.

For automation systems, 71952 ACD/P4AQBCA Bearing excels in robotic arms and CNC machines, where consistent performance is key. The matched set of four bearings offers enhanced stability for complex movements.

Medical imaging equipment benefits from 71952 ACD/P4AQBCA Bearing’s precision and low vibration, ensuring clear and reliable results. The open design allows for easy lubrication, extending service life.

In heavy machinery, 71952 ACD/P4AQBCA Bearing handles substantial loads while maintaining smooth operation. Its metric sizing and compatibility with SKF make it a versatile choice for global applications.

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