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Super Precision Angular Contact Ball Bearings 71944 CD/P4ADBB

Super Precision Angular Contact Ball Bearings 71944 CD/P4ADBB

The 71944 CD/P4ADBB is a super precision angular contact ball bearing with a 220mm bore and 300mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 80550 lbf and operates smoothly at speeds up to 11000 RPM.

With a 15° contact angle and light preload, it offers excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This matched set of two bearings (DB arrangement) is ideal for machine tools or spindles where accuracy is crucial. It works in temperatures from -30°C to 110°C.

Weighing 13.2kg, it’s robust yet precision-engineered for demanding environments. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71944 CD/P4ADBB
  • 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 Chrome Steel
  • 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 13.2 kg
Super Precision Angular Contact Ball Bearings 71944 CD/P4ADBB dimension drawing
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Features

Performance Features of 71944 CD/P4ADBB Bearing

71944 CD/P4ADBB 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 radial loads, reaching 80,550 lbf dynamically.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 11,000 rpm, it balances precision and performance in demanding conditions.

71944 CD/P4ADBB Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its matched arrangement of two bearings provides stability and reliability in precision tasks.

The light preload design minimises vibration, ensuring quiet and accurate operation.
Its open seal type allows for easy lubrication, maintaining optimal performance over time.

Application

Industrial Uses of 71944 CD/P4ADBB Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The matched arrangement ensures stability in demanding industrial environments.

Where Is 71944 CD/P4ADBB Bearing Used?
You’ll find it in automotive gearboxes, providing smooth operation under high-speed conditions. Its phenolic cage reduces friction, making it ideal for performance-focused applications.

Built for Heavy-Duty Use: 71944 CD/P4ADBB Bearing
In robotics, this bearing supports precise movements in automated arms and assembly lines. The chrome steel construction offers durability for continuous operation.

Medical vs Industrial: Where 71944 CD/P4ADBB Bearing Excels
While it’s reliable in medical imaging devices, its true strength lies in industrial settings like CNC machines. The P4A tolerance class ensures exceptional accuracy.

Perfect Fit for Automation: 71944 CD/P4ADBB Bearing
It’s a go-to choice for 3D printers, where smooth motion is critical. The light preload reduces vibration, enhancing print quality and machine longevity.

Q&A

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