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Super Precision Angular Contact Ball Bearings 71936 ACD/P4ATBTB

Super Precision Angular Contact Ball Bearings 71936 ACD/P4ATBTB

The 71936 ACD/P4ATBTB is a super precision angular contact ball bearing with a 180mm bore and 250mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 77625 lbf and operates smoothly at speeds up to 16250 RPM.

Its 25° contact angle and matched set of three bearings (arranged TBT) provide excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. With a P4A tolerance class, it offers reliable performance in demanding conditions.

Ideal for machine tools or high-speed spindles where precision is key. Weighing 12.6kg, it’s robust yet designed for precision performance. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71936 ACD/P4ATBTB
  • 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 99 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • 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 77625 lbf
  • Static Radial Load 135000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 12.6 kg
Super Precision Angular Contact Ball Bearings 71936 ACD/P4ATBTB dimension drawing
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Features

How Is 71936 ACD/P4ATBTB Bearing Engineered for Reliability?

71936 ACD/P4ATBTB Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.

Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 77625 lbf, it performs reliably under heavy loads.

The P4A tolerance class guarantees high precision, making it suitable for demanding applications.

Application

Industrial Uses of 71936 ACD/P4ATBTB Bearing
71936 ACD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate radial and axial load handling. The matched arrangement of three bearings provides stability in demanding industrial environments.

In automotive applications, 71936 ACD/P4ATBTB Bearing supports high-speed components like turbochargers and transmission systems. Its light preload and phenolic cage contribute to smooth operation and reduced friction.

For medical imaging devices, 71936 ACD/P4ATBTB Bearing’s chrome steel construction offers reliability and longevity. The P4A tolerance class ensures consistent performance in critical diagnostic equipment.

Automation systems benefit from 71936 ACD/P4ATBTB Bearing’s ability to handle high speeds and precise movements. Its open design allows for easy lubrication, making it suitable for robotic arms and CNC machines.

In aerospace applications, 71936 ACD/P4ATBTB Bearing’s durability and temperature resistance make it ideal for flight control systems. The metric sizing ensures compatibility with a wide range of aircraft components.

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