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Super Precision Angular Contact Ball Bearings 71913 ACD/P4ATBTB

Super Precision Angular Contact Ball Bearings 71913 ACD/P4ATBTB

The 71913 ACD/P4ATBTB is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 9518 lbf and spins smoothly at speeds up to 36,000 RPM.

Its 25° contact angle and matched arrangement of three bearings (TBT) ensure stable performance under angular loads. The phenolic cage offers durability while keeping the bearing lightweight at just 0.63kg.

Designed for precision applications, it operates well in temperatures from -30°C to 110°C. Ideal for high-speed machinery like spindles or CNC equipment where accuracy is crucial.

This model is interchangeable with SKF bearings, making it a reliable choice for replacements. Compliant with P4A tolerance class for consistent performance.

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Product Parameters

  • Part Number 71913 ACD/P4ATBTB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 39 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 26
  • 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 9518 lbf
  • Static Radial Load 10800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.63 kg
Super Precision Angular Contact Ball Bearings 71913 ACD/P4ATBTB dimension drawing
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Features

Engineered for Precision: 71913 ACD/P4ATBTB Bearing

71913 ACD/P4ATBTB Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under radial loads up to 9518 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at speeds up to 36,000 rpm.
With a matched arrangement of three bearings, it provides stability in demanding setups.

71913 ACD/P4ATBTB Bearing operates efficiently in temperatures from -30°C to 110°C, suitable for varied environments.
Its P4A tolerance class guarantees consistent precision, making it ideal for high-accuracy machinery.

The open design allows for easy lubrication, ensuring long service life with minimal maintenance.
Light preload class B further enhances its performance in precision applications.

Application

Industrial Uses of 71913 ACD/P4ATBTB Bearing
71913 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, 71913 ACD/P4ATBTB Bearing supports high-speed components like turbochargers and transmission systems. Its light preload and phenolic cage contribute to smooth operation under varying loads.

For medical imaging devices, 71913 ACD/P4ATBTB Bearing’s P4A tolerance class guarantees the precision needed for consistent performance. The chrome steel construction also offers durability in critical healthcare equipment.

Automation systems benefit from 71913 ACD/P4ATBTB Bearing’s ability to handle both radial and axial loads in robotic arms. The lubricated design ensures long service life even in continuous operation.

In consumer electronics, 71913 ACD/P4ATBTB Bearing is ideal for high-speed printers and precision instruments. Its compact size and reliable performance make it a practical choice for everyday devices.

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