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Super Precision Angular Contact Ball Bearings 71913 ACDGB/P4A

Super Precision Angular Contact Ball Bearings 71913 ACDGB/P4A

The 71913 ACDGB/P4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and is designed for light preload applications, offering smooth operation at speeds up to 36,000 RPM.

Its open design allows for easy lubrication, while the phenolic cage ensures durability and reduced friction. The bearing handles dynamic radial loads up to 4388 lbf and static radial loads up to 3600 lbf.

This bearing is part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision machinery like spindles or CNC equipment where accuracy is key.

Weighing just 0.21kg, it’s lightweight yet robust, with a temperature range of -30°C to 110°C. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71913 ACDGB/P4A
  • 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 13 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 No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4388 lbf
  • Static Radial Load 3600 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.21 kg
  • Price（$） 13.338
Super Precision Angular Contact Ball Bearings 71913 ACDGB/P4A dimension drawing
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Features

Why Choose 71913 ACDGB/P4A Bearing for Precision Tasks?

71913 ACDGB/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel construction ensures durability and smooth operation under high-speed conditions.

With a dynamic radial load capacity of 4388 lbf, it performs reliably in demanding applications.
The phenolic cage maintains ball alignment, reducing friction and extending service life.

71913 ACDGB/P4A Bearing can reach speeds up to 36,000 rpm, making it suitable for precision machinery.
Its P4A tolerance class guarantees high accuracy and consistent performance.

The open design allows for easy lubrication, ensuring optimal performance over time.
It operates efficiently in temperatures ranging from -30°C to 110°C.

Application

Super Precision Angular Contact Ball Bearings 71913 ACDGB/P4A is commonly used in high-speed machine tools, where its 25° contact angle provides excellent radial and axial load capacity. The light preload ensures smooth operation, making it ideal for precision grinding and milling applications.

In automotive systems, 71913 ACDGB/P4A supports components like electric motors and gearboxes, where its high-speed capability and durability are essential. The open design allows for efficient lubrication, extending service life in demanding conditions.

For robotics and automation, 71913 ACDGB/P4A’s phenolic cage and chrome steel construction offer reliable performance in robotic arms and CNC machines. Its P4A tolerance class ensures consistent accuracy in repetitive tasks.

Medical imaging devices benefit from 71913 ACDGB/P4A’s low friction and high-speed performance, ensuring precise movement in scanners and diagnostic equipment. The wide temperature range also makes it suitable for various clinical environments.

In consumer electronics, 71913 ACDGB/P4A can be found in high-performance printers and 3D printers, where its precision and speed contribute to consistent output quality. The lightweight design helps maintain efficiency in compact devices.

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