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Super Precision Angular Contact Ball Bearings 71924 ACD/P4ALTBTA

Super Precision Angular Contact Ball Bearings 71924 ACD/P4ALTBTA

The 71924 ACD/P4ALTBTA is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a set of three bearings arranged in a TBT configuration for enhanced stability.

Designed for angular contact loads, it handles dynamic radial loads up to 35775 lbf and static radial loads up to 58500 lbf. With a maximum speed of 16250 RPM, it operates smoothly in temperatures ranging from -30°C to 110°C.

Its open design and phenolic cage ensure durability and easy maintenance. The extra light preload (Class A) and P4A tolerance class make it ideal for high-precision applications.

This bearing is interchangeable with SKF models, offering a reliable replacement option. Suitable for machine tools, spindles, or other precision machinery where accuracy and speed are crucial. Weighing 3.45kg, it balances strength and precision effectively.

Lubricated for ready use, it simplifies installation and reduces initial maintenance needs. The 28 chrome steel balls, each 14.288mm in diameter, contribute to its smooth operation and long service life.

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Product Parameters

  • Part Number 71924 ACD/P4ALTBTA
  • 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 16250 rpm
  • Weight 3.45 kg
Super Precision Angular Contact Ball Bearings 71924 ACD/P4ALTBTA dimension drawing
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Features

Performance Features of 71924 ACD/P4ALTBTA Bearing

71924 ACD/P4ALTBTA Bearing is designed with a 25° contact angle, optimised for high-precision angular contact applications.

Its chrome steel rings and balls ensure durability and resistance to wear under heavy radial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.

With a dynamic radial load capacity of 35,775 lbf, it handles demanding conditions effortlessly.

How Does 71924 ACD/P4ALTBTA Bearing Reduce Friction?

71924 ACD/P4ALTBTA Bearing features a precision-engineered phenolic cage that minimises friction during high-speed operation.

The chrome steel construction ensures smooth movement, even under substantial radial loads.

Its extra-light preload design further enhances efficiency, reducing energy consumption.

With a maximum speed of 16,250 rpm, it balances performance and longevity.

Engineered for Precision: 71924 ACD/P4ALTBTA Bearing

71924 ACD/P4ALTBTA Bearing is crafted for high-precision tasks, meeting P4A tolerance standards for accuracy.

The matched arrangement of three bearings ensures consistent performance in complex setups.

Its chrome steel components resist wear, maintaining precision over extended use.

The open design allows for easy lubrication, ensuring optimal performance.

Steel vs Ceramic Bearings: Strengths of 71924 ACD/P4ALTBTA Bearing

71924 ACD/P4ALTBTA Bearing uses chrome steel for its rings and balls, offering a balance of strength and affordability.

This material choice ensures reliable performance under high static radial loads up to 58,500 lbf.

The phenolic cage adds durability without the brittleness of ceramic options.

With a wide temperature range of -30°C to 110°C, it adapts to various environments.

Application

Common Applications of 71924 ACD/P4ALTBTA Bearing
71924 ACD/P4ALTBTA Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of three bearings provides stability in demanding industrial environments.

In aerospace applications, 71924 ACD/P4ALTBTA Bearing supports components like turbine shafts, thanks to its extra light preload and high-speed capability. The phenolic cage material helps reduce friction and heat buildup during operation.

For robotics, 71924 ACD/P4ALTBTA Bearing is ideal for articulated arms, offering smooth movement under angular loads. Its P4A tolerance class ensures consistent performance in automated systems.

Medical imaging devices benefit from 71924 ACD/P4ALTBTA Bearing’s precision, particularly in rotating components of MRI machines. The chrome steel construction ensures durability in sterile environments.

In automotive testing equipment, 71924 ACD/P4ALTBTA Bearing handles high radial loads while maintaining precision. The lubricated design extends service life in continuous operation scenarios.

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