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Super Precision Angular Contact Ball Bearings 71924 ACD/P4ATBTB

Super Precision Angular Contact Ball Bearings 71924 ACD/P4ATBTB

The 71924 ACD/P4ATBTB is a super precision angular contact ball bearing, measuring 120mm by 165mm by 66mm. Made from chrome steel with a phenolic cage, it’s built for high accuracy and durability.

It handles radial loads up to 35775 lbf and spins smoothly at speeds up to 10000 RPM. With a 25° contact angle, it’s designed for angular contact loads, offering excellent stability.

The set includes three matched bearings arranged in a TBT configuration, preloaded for light operation. This setup ensures consistent performance in demanding applications.

Ideal for precision machinery like spindles or high-speed tools, it works in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards, it’s a reliable choice for exacting tasks.

Weighing 3.45kg, it’s robust yet manageable for its size. The open design allows easy lubrication, extending its service life.

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Product Parameters

  • Part Number 71924 ACD/P4ATBTB
  • 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 Light / Class B
  • 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/P4ATBTB dimension drawing
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Features

Performance Features of 71924 ACD/P4ATBTB Bearing

71924 ACD/P4ATBTB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under dynamic radial loads up to 35775 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at high speeds.
With a maximum speed of 10,000 rpm, it balances precision and efficiency in demanding conditions.

71924 ACD/P4ATBTB Bearing operates reliably within a temperature range of -30°C to 110°C.
Its matched arrangement of three bearings ensures consistent performance in precision applications.

Application

How Does 71924 ACD/P4ATBTB Bearing Improve Performance?
71924 ACD/P4ATBTB Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The matched set of three bearings provides enhanced stability for demanding operations.

In aerospace applications, 71924 ACD/P4ATBTB Bearing’s phenolic cage and chrome steel construction offer reliable performance in components like helicopter rotor systems. Its light preload design reduces friction, extending service life.

For automation equipment, this bearing’s P4A tolerance class makes it suitable for robotic arms requiring smooth, precise movement. The open seal design allows for easy lubrication, maintaining optimal performance in continuous use.

Medical imaging devices benefit from 71924 ACD/P4ATBTB Bearing’s consistent operation under static radial loads. Its temperature range of -30°C to 110°C ensures reliability in various clinical environments.

In electric vehicle drivetrains, this bearing supports high-speed motor shafts with minimal vibration. The metric dimensions make it compatible with a range of European and Asian automotive designs.

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