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Super Precision Angular Contact Ball Bearings 71944 CD/P4ATBTB

Super Precision Angular Contact Ball Bearings 71944 CD/P4ATBTB

The 71944 CD/P4ATBTB is a super precision angular contact ball bearing with a 220mm bore and 300mm outer diameter, crafted from durable chrome steel. Its compact width of 114mm makes it suitable for space-conscious applications while handling heavy radial loads up to 106875 lbf.

With a 15° contact angle and open design, it spins smoothly at speeds up to 11000 RPM. The phenolic cage ensures quiet operation and long service life, even in temperatures ranging from -30°C to 110°C.

This bearing comes in a matched set of three, preloaded for light performance (Class B), ideal for high-precision machinery like spindles or CNC equipment. Its P4A tolerance class guarantees consistent accuracy under demanding conditions.

Weighing 19.8kg, it’s robust yet manageable for industrial use. Interchangeable with SKF bearings, it simplifies replacements. The 25.4mm balls and 29-ball setup provide balanced load distribution for reliable angular contact performance.

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Product Parameters

  • Part Number 71944 CD/P4ATBTB
  • 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 Light / Class B
  • 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/P4ATBTB dimension drawing
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Features

Performance Features of 71944 CD/P4ATBTB Bearing

71944 CD/P4ATBTB Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability under high radial loads up to 106875 lbf.

The matched arrangement of three bearings in a TBT configuration enhances stability and performance.
Phenolic cage material reduces friction, contributing to smoother operation at speeds up to 11,000 rpm.

With a P4A tolerance class, 71944 CD/P4ATBTB Bearing delivers exceptional accuracy for demanding tasks.
Its light preload (Class B) ensures minimal vibration and noise during operation.

The open seal design allows for easy lubrication, maintaining efficiency in temperatures from -30°C to 110°C.
This bearing is ideal for high-precision machinery requiring reliable angular contact performance.

Application

Industrial Uses of 71944 CD/P4ATBTB Bearing
71944 CD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of three bearings provides stability in demanding industrial environments.

In aerospace applications, 71944 CD/P4ATBTB Bearing supports critical components like turbine shafts, thanks to its ability to handle both radial and axial loads. The phenolic cage offers lightweight durability, ideal for high-speed operations.

For automation systems, 71944 CD/P4ATBTB Bearing is a reliable choice for robotic arms, ensuring smooth movement with minimal friction. Its P4A tolerance class guarantees consistent performance in precision tasks.

Medical imaging devices benefit from 71944 CD/P4ATBTB Bearing’s low vibration and high-speed capabilities. The chrome steel construction ensures long-lasting performance in sensitive equipment.

In the energy sector, 71944 CD/P4ATBTB Bearing is often found in wind turbine gearboxes, where its robust design handles heavy loads efficiently. The lubricated setup reduces maintenance needs in harsh conditions.

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