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Super Precision Angular Contact Ball Bearings 71944 CD/P4ADBA

Super Precision Angular Contact Ball Bearings 71944 CD/P4ADBA

The 71944 CD/P4ADBA is a super precision angular contact ball bearing with a 220mm bore and 300mm outer diameter, crafted from high-grade chrome steel. Its 15° contact angle and extra light preload ensure smooth operation under angular loads.

This matched set of two bearings (DB arrangement) handles dynamic radial loads up to 80550 lbf and spins efficiently at 11000 RPM. The phenolic cage offers durability while keeping weight manageable at 13.2kg.

Its open design allows easy lubrication, and the P4A tolerance class guarantees consistent performance. Ideal for high-precision applications like machine tool spindles or aerospace components.

The bearing operates reliably in temperatures from -30°C to 110°C. Interchangeable with SKF models, it’s a practical choice for maintenance or upgrades.

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Product Parameters

  • Part Number 71944 CD/P4ADBA
  • 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 Extra light / Class A
  • 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
  • Price（$） 322.56
Super Precision Angular Contact Ball Bearings 71944 CD/P4ADBA dimension drawing
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Features

Performance Features of 71944 CD/P4ADBA Bearing

71944 CD/P4ADBA 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 of 80550 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 11,000 rpm, it delivers reliable operation in demanding conditions.

71944 CD/P4ADBA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures smooth and precise movement for precision tasks.

The matched arrangement of two bearings (DB) provides stability and balanced load handling.
Its open design allows for easy lubrication, ensuring consistent performance over time.

Application

Industrial Uses of 71944 CD/P4ADBA Bearing
71944 CD/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial environments.

In aerospace applications, 71944 CD/P4ADBA Bearing supports critical components like turbine shafts, thanks to its extra light preload and high-speed capability. The phenolic cage material offers excellent performance under varying temperatures.

For automation systems, 71944 CD/P4ADBA Bearing is ideal for robotic arms, where its P4A tolerance class guarantees smooth and precise movement. The chrome steel construction ensures long-lasting durability even in continuous operation.

Medical imaging devices benefit from 71944 CD/P4ADBA Bearing’s low vibration and high rigidity, essential for clear and accurate scans. The open seal type allows for easy lubrication maintenance, extending the bearing’s service life.

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