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Super Precision Angular Contact Ball Bearings 71944 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings 71944 CDGA/HCP4A

The 71944 CDGA/HCP4A is a super precision angular contact ball bearing with a 220mm bore and 300mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles dynamic radial loads up to 49725 lbf and spins at speeds up to 11000 RPM. Its phenolic cage ensures durability, while the P4A tolerance class guarantees precise performance.

The open design allows easy lubrication, making maintenance straightforward. It works reliably in temperatures from -30°C to 110°C.

Ideal for high-precision applications like machine tool spindles or aerospace equipment. Weighing 5.56kg, it’s robust yet manageable for its size. Compatible with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71944 CDGA/HCP4A
  • 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 38 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 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 49725 lbf
  • Static Radial Load 67500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 5.56 kg
Super Precision Angular Contact Ball Bearings 71944 CDGA/HCP4A dimension drawing
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Features

Performance Features of 71944 CDGA/HCP4A Bearing

71944 CDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic 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 49725 lbf, it excels in demanding applications.

71944 CDGA/HCP4A Bearing operates smoothly at speeds up to 11,000 rpm.
Its extra light preload ensures minimal vibration and noise during operation.

The open design allows for easy lubrication, extending the bearing’s service life.
It is suitable for temperatures ranging from -30°C to 110°C, ensuring reliability in various conditions.

Application

Industrial Uses of 71944 CDGA/HCP4A Bearing
71944 CDGA/HCP4A 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 suitable for high-speed operations.

Where Is 71944 CDGA/HCP4A Bearing Used?
In aerospace applications, 71944 CDGA/HCP4A Bearing supports critical components like turbine shafts, thanks to its extra-light preload and P4A tolerance class. Its phenolic cage also handles thermal expansion well under varying temperatures.

Built for Heavy-Duty Use: 71944 CDGA/HCP4A Bearing
This bearing excels in industrial pumps, where its chrome steel rings and ceramic balls withstand heavy radial loads. The open design allows for easy lubrication, extending service life in demanding environments.

Automotive vs Aerospace: Applications of 71944 CDGA/HCP4A Bearing
In automotive testing rigs, 71944 CDGA/HCP4A Bearing provides stable performance for precision measurements. For aerospace, its tandem arrangement ensures reliability in flight control systems.

Essential Roles of 71944 CDGA/HCP4A Bearing
Medical imaging devices benefit from 71944 CDGA/HCP4A Bearing’s smooth operation and low vibration. The ceramic balls and phenolic cage contribute to quiet, consistent performance in sensitive equipment.

Q&A

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