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Super Precision Angular Contact Ball Bearings 71944 CD/P4A

Super Precision Angular Contact Ball Bearings 71944 CD/P4A

The 71944 CD/P4A is a super precision angular contact ball bearing measuring 220mm by 300mm by 38mm, crafted from high-quality chrome steel. It features a 15° contact angle and can handle dynamic radial loads up to 49725 lbf, with a maximum speed of 6300 RPM.

Its open design allows for easy lubrication, while the phenolic cage ensures smooth operation and durability. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

With a P4 tolerance class (equivalent to ABEC-7), it offers excellent precision for demanding applications. This model is interchangeable with SKF bearings, making it a versatile choice for replacements.

Ideal for high-precision machinery like CNC spindles or grinding equipment, where accuracy and reliability are crucial. Weighing 6.6kg, it’s robust yet manageable for its size.

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Product Parameters

  • Part Number 71944 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 220 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 300 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 38 mm
  • Width Tolerance -0.24mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 29
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 49725 lbf
  • Static Radial Load 67500 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 6300 rpm
  • Weight 6.6 kg
  • Price（$） 4922.793
Super Precision Angular Contact Ball Bearings 71944 CD/P4A dimension drawing
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Features

Performance Features of 71944 CD/P4A Bearing

71944 CD/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads up to 49,725 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 6,300 rpm, it delivers reliable operation in precision settings.

71944 CD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, ensuring smooth and consistent performance.

The P4 tolerance class guarantees high precision, making it suitable for demanding applications.
Weighing 6.6 kg, it balances strength and manageability for industrial use.

Application

Industrial Uses of 71944 CD/P4A Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The chrome steel construction offers durability in demanding industrial environments.

Where Is 71944 CD/P4A Bearing Used?
You’ll find it in automotive applications like high-performance gearboxes, where its 15° contact angle handles combined loads effectively. The P4 tolerance class ensures smooth operation even at high speeds.

Built for Heavy-Duty Use: 71944 CD/P4A Bearing
Its phenolic cage provides stability in applications like large pumps or compressors, reducing friction and heat buildup. The open design allows for easy lubrication, extending service life.

Automotive vs Aerospace: Applications of 71944 CD/P4A Bearing
In automotive systems, it supports gear shafts, while in aerospace, it’s used in turbine assemblies. The metric sizing makes it versatile for various machinery across industries.

Perfect Fit for Automation: 71944 CD/P4A Bearing
This bearing works well in robotic arms, where precise movement is essential. Its high dynamic radial load capacity ensures reliability in continuous operation.

Q&A

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