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Super Precision Angular Contact Ball Bearings 71924 ACD/P4ATBTA

Super Precision Angular Contact Ball Bearings 71924 ACD/P4ATBTA

The 71924 ACD/P4ATBTA is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 35775 lbf and operates smoothly at speeds up to 10000 RPM.

Its 25° contact angle and matched arrangement of three bearings (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 and low friction are key. Weighing 3.45kg, it’s a robust choice for industrial use. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71924 ACD/P4ATBTA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 165 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 66 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 28
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 35775 lbf
  • Static Radial Load 58500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 3.45 kg
Super Precision Angular Contact Ball Bearings 71924 ACD/P4ATBTA dimension drawing
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Features

Performance Features of 71924 ACD/P4ATBTA Bearing

71924 ACD/P4ATBTA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability and high performance under dynamic radial loads up to 35775 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 10,000 rpm, it delivers reliable performance in high-speed scenarios.

71924 ACD/P4ATBTA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its extra light preload (Class A) ensures minimal resistance, making it ideal for precision machinery.

The matched arrangement of three bearings (TBT) provides stability and balanced load handling.
Its P4A tolerance class guarantees exceptional accuracy for demanding applications.

Application

Industrial Uses of 71924 ACD/P4ATBTA Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of three bearings provides stability for heavy cutting operations.

In aerospace applications, 71924 ACD/P4ATBTA Bearing handles the demanding loads of helicopter gearboxes. Its phenolic cage offers lightweight durability, which is essential for flight components.

For automation systems, this bearing supports robotic arms requiring smooth, precise movement. The extra light preload reduces friction, extending service life in continuous operations.

Medical imaging devices benefit from 71924 ACD/P4ATBTA Bearing’s P4A tolerance class, ensuring minimal vibration during scans. The chrome steel construction also resists wear in sterile environments.

In electric motors, this bearing’s 25° contact angle efficiently manages combined radial and axial loads. Its lubricated design maintains performance even at high speeds.

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