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Super Precision Angular Contact Ball Bearings 71936 ACD/P4AQBCC

Super Precision Angular Contact Ball Bearings 71936 ACD/P4AQBCC

The 71936 ACD/P4AQBCC is a super precision angular contact ball bearing with a 180mm bore and 250mm outer diameter, crafted from high-grade chrome steel. It handles radial loads up to 95175 lbf and operates smoothly at speeds up to 16250 RPM.

With a 25° contact angle and moderate preload, it offers excellent stability for angular loads. The phenolic cage ensures durability and quiet operation, even under demanding conditions.

This set includes four matched bearings, ideal for applications requiring high precision and balanced performance. Suitable for machine tools or spindle systems where accuracy is crucial.

Weighing 16.8kg, it’s built for heavy-duty use while maintaining precision. Works reliably in temperatures from -30°C to 110°C and is interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71936 ACD/P4AQBCC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 180 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 250 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 132 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 22.225 mm
  • Ball Qty 27
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 95175 lbf
  • Static Radial Load 180000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 16.8 kg
Super Precision Angular Contact Ball Bearings 71936 ACD/P4AQBCC dimension drawing
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Features

Performance Features of 71936 ACD/P4AQBCC Bearing

71936 ACD/P4AQBCC 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 of up to 95175 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at speeds up to 16,250 rpm.
With a matched arrangement of four bearings, it provides consistent operation in demanding setups.

71936 ACD/P4AQBCC Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its P4A tolerance class guarantees high precision, making it suitable for critical applications.

The moderate preload (Class C) ensures smooth operation without excessive wear.
Its open design allows for easy lubrication, maintaining optimal performance over time.

With a static radial load capacity of 180000 lbf, it handles heavy loads reliably.
The 27 balls, each 22.225 mm in diameter, contribute to its stability and load-bearing capacity.

Application

Industrial Uses of 71936 ACD/P4AQBCC Bearing
71936 ACD/P4AQBCC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload and P4A tolerance class make it suitable for demanding industrial environments.

In aerospace applications, 71936 ACD/P4AQBCC Bearing supports critical components like turbine shafts, thanks to its high dynamic radial load capacity. The phenolic cage provides stability under high-speed conditions.

For robotics, 71936 ACD/P4AQBCC Bearing’s matched arrangement of four bearings enhances performance in articulated arms, ensuring smooth motion. Its chrome steel construction offers durability in repetitive, high-stress operations.

Where Is 71936 ACD/P4AQBCC Bearing Used?
You’ll often find 71936 ACD/P4AQBCC Bearing in medical imaging equipment, where precision and reliability are essential. The open seal type allows for easy lubrication, maintaining performance over time.

In automotive testing rigs, 71936 ACD/P4AQBCC Bearing handles angular loads with ease, making it a reliable choice for dynamic simulations. Its metric dimensions ensure compatibility with various testing setups.

Built for Heavy-Duty Use: 71936 ACD/P4AQBCC Bearing
71936 ACD/P4AQBCC Bearing excels in wind turbine gearboxes, where its high static radial load capacity supports prolonged operation. The temperature range of -30°C to 110°C ensures reliability in diverse climates.

For industrial pumps, 71936 ACD/P4AQBCC Bearing’s lubricated design reduces friction, extending service life. The 27-ball configuration enhances load distribution, making it ideal for continuous operation.

Automotive vs Aerospace: Applications of 71936 ACD/P4AQBCC Bearing
In automotive systems, 71936 ACD/P4AQBCC Bearing is used in high-performance transmissions, where its angular contact design improves efficiency. The chrome steel rings withstand rigorous driving conditions.

For aerospace, 71936 ACD/P4AQBCC Bearing’s high-speed capability and precision make it suitable for flight control systems. The matched set configuration ensures consistent performance in critical applications.

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