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Super Precision Angular Contact Ball Bearings 71936 ACD/P4ADBA

Super Precision Angular Contact Ball Bearings 71936 ACD/P4ADBA

The 71936 ACD/P4ADBA is a super precision angular contact ball bearing with a 180mm bore and 250mm outer diameter, measuring 66mm in width. Made from high-quality chrome steel, it’s designed for angular contact loads and comes in a matched set of two bearings.

With a 25° contact angle and extra-light preload, it handles dynamic radial loads up to 58,500 lbf and spins smoothly at speeds up to 16,250 RPM. The open design allows easy lubrication, while the phenolic cage ensures quiet operation.

Its P4A tolerance class ensures high precision, making it suitable for applications like machine tool spindles or high-speed robotics. The bearing operates reliably in temperatures from -30°C to 110°C.

Weighing 8.4kg, this model is interchangeable with SKF bearings, offering a durable and precise solution for demanding industrial environments.

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Product Parameters

  • Part Number 71936 ACD/P4ADBA
  • 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 66 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • 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 58500 lbf
  • Static Radial Load 90000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 8.4 kg
Super Precision Angular Contact Ball Bearings 71936 ACD/P4ADBA dimension drawing
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Features

Performance Features of 71936 ACD/P4ADBA Bearing

71936 ACD/P4ADBA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads of up to 58,500 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 16,250 rpm, it delivers reliable performance in high-speed scenarios.

71936 ACD/P4ADBA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures precision and reduces wear over time.

The matched arrangement of two bearings (DB) provides stability and balanced load handling.
Its P4A tolerance class guarantees exceptional accuracy for precision applications.

Application

Industrial Uses of 71936 ACD/P4ADBA Bearing
71936 ACD/P4ADBA 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 in demanding industrial environments.

Where Is 71936 ACD/P4ADBA Bearing Used?
You’ll often find 71936 ACD/P4ADBA Bearing in automotive applications like high-performance gearboxes, where its extra light preload enhances smooth operation. The phenolic cage material helps reduce friction during high-speed rotations.

Built for Heavy-Duty Use: 71936 ACD/P4ADBA Bearing
71936 ACD/P4ADBA Bearing handles heavy radial loads in applications like wind turbine gearboxes, thanks to its chrome steel construction. Its P4A tolerance class ensures precision even under continuous use.

Medical vs Industrial: Where 71936 ACD/P4ADBA Bearing Excels
In medical imaging devices, 71936 ACD/P4ADBA Bearing offers reliable performance due to its low vibration and high-speed capabilities. Industrial CNC machines also benefit from its durability and precision.

Practical Applications of 71936 ACD/P4ADBA Bearing
71936 ACD/P4ADBA Bearing is ideal for robotics, where its angular contact design supports precise movement in robotic arms. The open seal type allows for easy lubrication, extending its service life.

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