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Super Precision Angular Contact Ball Bearings 71926 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 71926 ACDGA/P4A

The 71926 ACDGA/P4A is a super precision angular contact ball bearing with a 130mm bore and 180mm outer diameter, crafted from durable chrome steel. Its 25° contact angle efficiently handles combined radial and axial loads, with dynamic radial load capacity up to 19598 lbf.

Designed for high-speed operations up to 7500 RPM, it features an open design and phenolic cage for smooth performance. The extra light preload (Class A) ensures minimal friction, making it ideal for precision applications.

This bearing operates reliably in temperatures from -30°C to 110°C and comes pre-lubricated for immediate use. Its P4A tolerance class guarantees exceptional accuracy for demanding machinery.

Weighing 1.55kg, it’s commonly used in pairs or sets (back-to-back, face-to-face, or tandem) for spindle assemblies or high-precision tools. Interchangeable with SKF bearings, it offers a practical replacement option.

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Product Parameters

  • Part Number 71926 ACDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 130 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 180 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 27
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 19598 lbf
  • Static Radial Load 22950 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 7500 rpm
  • Weight 1.55 kg
  • Price（$） 432.9
Super Precision Angular Contact Ball Bearings 71926 ACDGA/P4A dimension drawing
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Features

Performance Features of 71926 ACDGA/P4A Bearing

71926 ACDGA/P4A Bearing is designed with a 25° contact angle, optimising performance in angular contact applications.
The chrome steel rings and balls ensure durability under high dynamic radial loads of up to 19,598 lbf.

Its phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 7,500 rpm, it delivers reliable performance in precision settings.

The extra light preload (Class A) minimises vibration, making it suitable for high-precision tasks.
Its open design allows for easy lubrication, ensuring consistent performance over time.

71926 ACDGA/P4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
The P4A tolerance class guarantees high precision, meeting demanding industrial standards.

Application

Industrial Uses of 71926 ACDGA/P4A Bearing
71926 ACDGA/P4A Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The open design and phenolic cage make it suitable for applications requiring minimal friction and heat generation.

In automotive applications, 71926 ACDGA/P4A Bearing supports components like electric motors and transmission systems, thanks to its extra-light preload and high-speed capabilities. Its metric sizing ensures compatibility with a variety of vehicle designs.

For automation systems, 71926 ACDGA/P4A Bearing excels in robotic arms and CNC machinery, where its P4A tolerance class guarantees consistent performance. The chrome steel construction also enhances durability in demanding environments.

Medical imaging devices benefit from 71926 ACDGA/P4A Bearing’s precision and reliability, particularly in high-speed rotating components. The temperature range of -30°C to 110°C ensures stable operation in various clinical settings.

In consumer electronics, 71926 ACDGA/P4A Bearing is found in high-end printers and optical devices, where smooth rotation is essential. Its lightweight design and lubricated construction contribute to quiet and efficient operation.

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