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Super Precision Angular Contact Ball Bearings 71926 CD/P4ADBA

Super Precision Angular Contact Ball Bearings 71926 CD/P4ADBA

The 71926 CD/P4ADBA is a super precision angular contact ball bearing with a 130mm bore and 180mm outer diameter, crafted from high-grade chrome steel. Its 15° contact angle and paired DB arrangement ensure smooth handling of combined radial and axial loads.

Designed for extra light preload, it supports dynamic radial loads up to 33300 lbf and spins efficiently at 7500 RPM. The open design and phenolic cage offer durability while allowing easy lubrication.

With a tight P4A tolerance class, this bearing is ideal for high-precision applications like machine tool spindles or aerospace components. Its matched set of two bearings ensures balanced performance under demanding conditions.

Weighing 3.1kg, it operates reliably in temperatures from -30°C to 110°C. The 27 balls, each 15.875mm in diameter, contribute to its smooth operation and long service life.

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Product Parameters

  • Part Number 71926 CD/P4ADBA
  • 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 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 27
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • 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 33300 lbf
  • Static Radial Load 48600 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 7500 rpm
  • Weight 3.1 kg
Super Precision Angular Contact Ball Bearings 71926 CD/P4ADBA dimension drawing
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Features

Why Choose 71926 CD/P4ADBA Bearing for Precision Tasks?

71926 CD/P4ADBA Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 33,300 lbf, it handles demanding tasks reliably.
The extra-light preload (Class A) enhances performance in high-speed operations up to 7,500 rpm.

Designed for matched arrangement (DB), it offers stability in paired setups.
The P4A tolerance class guarantees consistent precision across various conditions.

Its open design simplifies lubrication, extending service life.
The 130 mm bore and 180 mm outer diameter make it suitable for industrial machinery.

Application

Industrial Uses of 71926 CD/P4ADBA Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial environments.

In aerospace applications, 71926 CD/P4ADBA Bearing supports components like helicopter transmissions, thanks to its extra light preload and phenolic cage. The P4A tolerance class makes it suitable for critical systems requiring minimal vibration.

For automation equipment, 71926 CD/P4ADBA Bearing excels in robotic arms and CNC machinery, where its chrome steel construction handles both radial and axial loads. The open design allows for easy lubrication, extending service life in continuous operations.

Medical imaging devices benefit from 71926 CD/P4ADBA Bearing’s precision, ensuring smooth movement in MRI and CT scanners. The 15° contact angle helps maintain alignment under varying loads, crucial for diagnostic accuracy.

In electric vehicle motors, 71926 CD/P4ADBA Bearing’s high-speed capability and low friction contribute to efficient power transmission. The metric sizing ensures compatibility with European and Asian automotive designs.

Q&A

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