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Super Precision Angular Contact Ball Bearings 71913 ACD/P4ATBTA

Super Precision Angular Contact Ball Bearings 71913 ACD/P4ATBTA

The 71913 ACD/P4ATBTA 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 reaches speeds of 36,000 RPM, making it suitable for high-performance applications.

Its 25° contact angle and matched arrangement of three bearings provide excellent stability and accuracy. The phenolic cage ensures smooth operation and durability under demanding conditions.

This bearing is lubricated for easy maintenance and operates in temperatures from -30°C to 110°C. Ideal for precision machinery like spindles or CNC equipment where high-speed and low friction are crucial.

Weighing 0.63kg, it’s a robust yet lightweight option for industrial use. Compliant with P4A tolerance class, it meets strict precision standards. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71913 ACD/P4ATBTA
  • 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 Extra light / Class A
  • 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/P4ATBTA dimension drawing
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Features

Performance Features of 71913 ACD/P4ATBTA Bearing

71913 ACD/P4ATBTA Bearing is designed with a 25° contact angle, optimising load distribution for precision tasks.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 9518 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 36,000 rpm.
With a matched arrangement of three bearings, it provides extra stability in demanding applications.

71913 ACD/P4ATBTA Bearing operates efficiently in temperatures from -30°C to 110°C.
Its open design allows easy lubrication, reducing maintenance needs over time.

The P4A tolerance class ensures high precision, making it suitable for critical machinery.
Its lightweight phenolic cage contributes to lower friction and quieter operation.

Application

Common Applications of 71913 ACD/P4ATBTA Bearing
71913 ACD/P4ATBTA Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of three bearings provides excellent stability for heavy cutting operations.

In robotics, 71913 ACD/P4ATBTA Bearing supports articulated arms, offering smooth movement and long service life. Its phenolic cage reduces friction, making it ideal for repetitive motions in automated systems.

For aerospace applications, 71913 ACD/P4ATBTA Bearing handles both radial and axial loads in aircraft components. The P4A tolerance class guarantees consistent performance under demanding flight conditions.

Medical imaging devices benefit from 71913 ACD/P4ATBTA Bearing’s low vibration and high-speed capabilities. The chrome steel construction ensures reliability in critical diagnostic equipment.

In electric vehicle motors, 71913 ACD/P4ATBTA Bearing manages high rotational speeds efficiently. The extra light preload reduces energy loss, contributing to better overall motor performance.

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