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Super Precision Angular Contact Ball Bearings 71928 CD/P4ADGB

Super Precision Angular Contact Ball Bearings 71928 CD/P4ADGB

The 71928 CD/P4ADGB is a super precision angular contact ball bearing with a 140mm bore and 190mm outer diameter, designed for high accuracy applications. Its 15° contact angle and light preload ensure smooth operation under radial loads up to 34425 lbf. Made from chrome steel with a phenolic cage, it offers durability and stability.

This bearing can handle speeds up to 11000 RPM and operates in temperatures from -30°C to 110°C. Its open design allows for easy lubrication, maintaining performance over time. The universal matching feature enables flexible arrangements like back-to-back or face-to-face mounting.

Ideal for machine tools or precision equipment where tight tolerances are needed. Weighing 3.3kg, it’s robust yet manageable for its size. Comes as a matched set of two bearings for balanced performance.

Compatible with SKF models, making it a practical choice for replacements or upgrades. Suitable for applications demanding high rotational accuracy and load capacity.

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Product Parameters

  • Part Number 71928 CD/P4ADGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 190 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 29
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • 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 34425 lbf
  • Static Radial Load 52200 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 3.3 kg
Super Precision Angular Contact Ball Bearings 71928 CD/P4ADGB dimension drawing
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Features

Performance Features of 71928 CD/P4ADGB Bearing

71928 CD/P4ADGB Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 15° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 34425 lbf, it excels in demanding applications.

71928 CD/P4ADGB Bearing operates smoothly at speeds up to 11,000 rpm.
Its universal matching design offers flexibility in various mounting configurations.

The P4A tolerance class ensures exceptional accuracy for precision tasks.
This bearing is suitable for temperatures ranging from -30°C to 110°C.

Application

Key Fields for 71928 CD/P4ADGB Bearing
71928 CD/P4ADGB Bearing is widely used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The universal matching design allows for flexible arrangements, making it suitable for complex setups.

In aerospace applications, 71928 CD/P4ADGB Bearing supports components like turbine shafts, thanks to its phenolic cage and chrome steel construction. Its light preload and P4A tolerance class ensure reliable performance under demanding conditions.

For automation systems, 71928 CD/P4ADGB Bearing excels in robotic arms and CNC machines, where smooth operation is essential. The lubricated design and high-speed capability make it a dependable choice for continuous use.

Medical imaging devices benefit from 71928 CD/P4ADGB Bearing’s precision and low friction. Its consistent performance is crucial in maintaining the accuracy of diagnostic equipment.

In electric vehicles, 71928 CD/P4ADGB Bearing is often found in motor assemblies, where its angular contact design handles combined loads effectively. The metric sizing ensures compatibility with various international standards.

Q&A

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