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Super Precision Angular Contact Ball Bearings 71936 ACD/P4ADBC

Super Precision Angular Contact Ball Bearings 71936 ACD/P4ADBC

The 71936 ACD/P4ADBC is a super precision angular contact ball bearing with a 180mm bore and 250mm outer diameter, crafted from durable chrome steel. It measures 180mm by 250mm by 66mm, making it a compact yet robust unit for high-precision applications.

This bearing handles radial loads up to 58500 lbf and operates smoothly at speeds up to 16250 RPM. Its 25° contact angle and moderate preload (Class C) ensure stable performance under angular loads.

The open design allows for easy lubrication, while the phenolic cage enhances durability. It comes as a matched set of two bearings (DB arrangement), ideal for applications requiring precise alignment.

Suitable for machine tools or high-speed spindles, it works in temperatures from -30°C to 110°C. Weighing 8.4kg, it’s a reliable choice for heavy-duty industrial use. Compliant with P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number 71936 ACD/P4ADBC
  • 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 Moderate / Class C
  • 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/P4ADBC dimension drawing
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Features

Performance Features of 71936 ACD/P4ADBC Bearing

71936 ACD/P4ADBC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage enhances performance at high speeds.

With a dynamic radial load capacity of 58,500 lbf, it handles demanding conditions reliably.
The P4A tolerance class guarantees precision, making it suitable for high-accuracy machinery.

Operating at speeds up to 16,250 rpm, it maintains smooth performance.
Its moderate preload (Class C) ensures stability without excessive friction.

The open design allows for easy lubrication, extending service life.
Weighing 8.4 kg, it balances strength and manageability for industrial use.

Application

Industrial Uses of 71936 ACD/P4ADBC Bearing
71936 ACD/P4ADBC 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 applications demanding tight control.

In aerospace components, 71936 ACD/P4ADBC Bearing handles both radial and axial loads efficiently, thanks to its 25° contact angle. The matched arrangement of two bearings enhances stability in critical flight systems.

For robotics, 71936 ACD/P4ADBC Bearing’s phenolic cage reduces friction, allowing smooth movement in articulated arms. Its high-speed capability (up to 16,250 rpm) supports rapid, precise operations in automated assembly lines.

Medical imaging devices benefit from 71936 ACD/P4ADBC Bearing’s consistent performance under static radial loads. The chrome steel construction ensures durability in sensitive diagnostic equipment.

In wind turbine gearboxes, 71936 ACD/P4ADBC Bearing’s robust design withstands variable loads and harsh conditions. The lubricated setup minimises maintenance needs in remote installations.

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