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Super Precision Angular Contact Ball Bearings 71944 CD/P4ATBTA

Super Precision Angular Contact Ball Bearings 71944 CD/P4ATBTA

The 71944 CD/P4ATBTA is a super precision angular contact ball bearing with a 220mm bore and 300mm outer diameter, crafted from high-quality chrome steel. Its 15° contact angle and open design ensure smooth operation under radial loads up to 106875 lbf.

With a phenolic cage and extra light preload, it offers stable performance at speeds up to 11000 RPM. The matched set of three bearings (> TBT arrangement) provides balanced load distribution for demanding applications.

This bearing suits high-precision machinery like CNC spindles or grinding equipment, where accuracy and durability are key. It operates reliably in temperatures from -30°C to 110°C.

Weighing 19.8kg, it’s a robust choice for industrial use. The P4A tolerance class ensures tight precision, while its interchangeability with SKF models simplifies replacements.

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Product Parameters

  • Part Number 71944 CD/P4ATBTA
  • 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 114 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • 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 106875 lbf
  • Static Radial Load 202500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 19.8 kg
Super Precision Angular Contact Ball Bearings 71944 CD/P4ATBTA dimension drawing
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Features

Performance Features of 71944 CD/P4ATBTA Bearing

71944 CD/P4ATBTA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 106875 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 11,000 rpm.
Preloaded for extra light performance, it maintains precision in demanding conditions.

With a matched arrangement of three bearings, it offers stability for complex setups.
Its open design allows easy lubrication, extending service life.

The P4A tolerance class ensures high precision, making it suitable for critical applications.
Operating between -30°C to 110°C, it performs reliably in varied environments.

Application

Common Applications of 71944 CD/P4ATBTA Bearing
71944 CD/P4ATBTA Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of three bearings provides stability in demanding machining operations.

In aerospace applications, 71944 CD/P4ATBTA Bearing supports critical components like turbine shafts, thanks to its extra light preload and high-speed capability. The phenolic cage reduces friction, enhancing performance in extreme conditions.

For automation systems, 71944 CD/P4ATBTA Bearing is ideal for robotic arms requiring smooth, precise movement. Its chrome steel construction offers durability, while the P4A tolerance class guarantees consistent operation.

Medical imaging devices benefit from 71944 CD/P4ATBTA Bearing’s low vibration and high rigidity. The lubricated design ensures quiet operation, essential for sensitive diagnostic equipment.

In heavy industrial machinery, 71944 CD/P4ATBTA Bearing handles significant radial loads with ease. Its open seal type allows for efficient heat dissipation during prolonged use.

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