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Super Precision Angular Contact Ball Bearings 71919 ACD/P4ATBTB

Super Precision Angular Contact Ball Bearings 71919 ACD/P4ATBTB

The 71919 ACD/P4ATBTB is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, crafted from durable chrome steel. It measures 54mm in width and is designed for high-speed operations up to 16,000 RPM.

With a 25° contact angle and light preload, it handles radial loads up to 22,388 lbf, making it suitable for precise applications. The open design and phenolic cage ensure smooth performance and easy maintenance.

This bearing comes in a matched set of three, arranged in a TBT configuration for enhanced stability. Ideal for machine tools or spindles where accuracy and speed are crucial.

It operates efficiently in temperatures from -30°C to 110°C and weighs 1.74kg. Compliant with P4A tolerance standards, it’s a reliable choice for demanding engineering tasks.

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Product Parameters

  • Part Number 71919 ACD/P4ATBTB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 54 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 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 22388 lbf
  • Static Radial Load 35100 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 1.74 kg
Super Precision Angular Contact Ball Bearings 71919 ACD/P4ATBTB dimension drawing
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Features

Performance Features of 71919 ACD/P4ATBTB Bearing

71919 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 high dynamic radial loads of up to 22,388 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 16,000 rpm, it delivers reliable performance in high-speed settings.

71919 ACD/P4ATBTB Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its precision P4A tolerance class ensures consistent performance in demanding applications.

The matched arrangement of three bearings provides stability and balanced load handling.
Light preload class B further enhances its precision and longevity.

Application

Industrial Uses of 71919 ACD/P4ATBTB Bearing
71919 ACD/P4ATBTB Bearing is commonly 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 automotive applications, 71919 ACD/P4ATBTB Bearing supports high-speed components like turbochargers and transmission systems. Its light preload and phenolic cage contribute to smooth operation under heavy loads.

For robotics and automation, 71919 ACD/P4ATBTB Bearing excels in articulated arms and CNC machinery. The P4A tolerance class guarantees precision in repetitive movements, essential for automated processes.

Medical imaging devices benefit from 71919 ACD/P4ATBTB Bearing’s reliable performance and low friction. The chrome steel construction ensures durability in critical healthcare equipment.

In aerospace applications, 71919 ACD/P4ATBTB Bearing handles both radial and axial loads in flight control systems. Its temperature range makes it suitable for varying operational conditions.

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