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Super Precision Angular Contact Ball Bearings 71944 CD/HCP4ADBB

Super Precision Angular Contact Ball Bearings 71944 CD/HCP4ADBB

The 71944 CD/HCP4ADBB is a super precision angular contact ball bearing with a 220mm bore and 300mm outer diameter, designed for high-performance applications. Its 15° contact angle and ceramic balls ensure smooth operation under heavy radial loads up to 80550 lbf.

Made from durable chrome steel and featuring a phenolic cage, this bearing can handle speeds up to 11000 RPM. The open design allows for easy lubrication, extending its service life.

This matched set of two bearings comes with a light preload (Class B) for improved stability. Ideal for machine tools or high-speed spindles where precision is crucial.

Weighing 11.1kg, it operates efficiently in temperatures from -30°C to 110°C. Its P4A tolerance class guarantees exceptional accuracy for demanding industrial use.

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Product Parameters

  • Part Number 71944 CD/HCP4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 220 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 300 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 76 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 29
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 80550 lbf
  • Static Radial Load 135000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 11.1 kg
Super Precision Angular Contact Ball Bearings 71944 CD/HCP4ADBB dimension drawing
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Features

Performance Features of 71944 CD/HCP4ADBB Bearing

71944 CD/HCP4ADBB Bearing is designed with a 15° contact angle, offering precise angular contact performance.
Its chrome steel rings and ceramic balls ensure high durability and reduced friction.

The phenolic cage maintains ball alignment, enhancing smooth operation even at high speeds.
With a dynamic radial load capacity of 80550 lbf, it handles demanding applications with ease.

71944 CD/HCP4ADBB Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its lightweight design at 11.1 kg ensures easy handling without compromising strength.

The matched arrangement of two bearings provides balanced load distribution.
This makes 71944 CD/HCP4ADBB Bearing ideal for precision tasks requiring reliability.

Application

Industrial Uses of 71944 CD/HCP4ADBB Bearing
71944 CD/HCP4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for high-speed operations.

In aerospace applications, 71944 CD/HCP4ADBB Bearing supports critical components like turbine shafts, thanks to its light preload and matched arrangement. The phenolic cage adds durability in demanding environments.

For automation systems, 71944 CD/HCP4ADBB Bearing excels in robotic arms, providing smooth movement with minimal vibration. Its P4A tolerance class guarantees consistent performance in repetitive tasks.

Medical imaging devices benefit from 71944 CD/HCP4ADBB Bearing’s precision, ensuring reliable operation in MRI machines. The chrome steel rings and ceramic balls offer long-lasting performance.

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