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Super Precision Angular Contact Ball Bearings 7044 CD/P4A

Super Precision Angular Contact Ball Bearings 7044 CD/P4A

The 7044 CD/P4A is a super precision angular contact ball bearing with a 220mm bore and 340mm outer diameter, crafted from sturdy chrome steel. It manages radial loads up to 76050 lbf and operates smoothly at speeds up to 6000 RPM.

With a 15° contact angle and open design, it offers excellent performance for angular loads. The phenolic cage ensures durability and reduces friction during high-speed use.

This bearing is preloaded for precision and fits well in applications requiring tight tolerances, like machine tools or spindles. It works in temperatures from -30°C to 110°C.

Weighing 16.1kg, it’s robust yet suitable for heavy-duty machinery. Compliant with P4 (ABEC-7) standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7044 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 220 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 340 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 56 mm
  • Width Tolerance -0.3mm to 0
  • Ball Dia 38.1 mm
  • Ball Qty 21
  • 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 76050 lbf
  • Static Radial Load 102375 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 6000 rpm
  • Weight 16.1 kg
  • Price（$） 1257.444
Super Precision Angular Contact Ball Bearings 7044 CD/P4A dimension drawing
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Features

Performance Features of 7044 CD/P4A Bearing

7044 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 radial loads, up to 76050 lbf dynamically.

The phenolic cage in 7044 CD/P4A Bearing reduces friction and maintains stability at speeds up to 6,000 rpm.
Preload availability enhances precision, making it suitable for high-accuracy machinery.

7044 CD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, ensuring smooth performance over time.

With a P4 tolerance class, 7044 CD/P4A Bearing meets strict precision standards.
The 21 chrome steel balls, each 38.1 mm in diameter, contribute to its reliable load-bearing capacity.

Application

Industrial Uses of 7044 CD/P4A Bearing
The 7044 CD/P4A Bearing is commonly used in high-precision machine tools, where its 15° contact angle helps manage combined radial and axial loads efficiently. Its open design and phenolic cage make it suitable for applications requiring minimal friction and heat generation.

Where Is 7044 CD/P4A Bearing Used?
You’ll often find the 7044 CD/P4A Bearing in aerospace components, such as helicopter gearboxes, due to its ability to handle high dynamic loads. The P4 tolerance class ensures it meets the strict precision requirements of aviation systems.

Built for Heavy-Duty Use: 7044 CD/P4A Bearing
In heavy industrial settings like steel rolling mills, the 7044 CD/P4A Bearing provides reliable performance under extreme conditions. Its chrome steel construction and lubricated design help extend service life even in demanding environments.

Automotive vs Aerospace: Applications of 7044 CD/P4A Bearing
While the 7044 CD/P4A Bearing excels in aerospace for its precision, it’s also a solid choice for high-performance automotive systems like racing transmissions. The bearing’s balanced load capacity makes it versatile across different industries.

Perfect Fit for Automation: 7044 CD/P4A Bearing
The 7044 CD/P4A Bearing is ideal for robotic arms in automated production lines, where smooth rotation and accuracy are critical. Its phenolic cage reduces vibration, ensuring consistent performance in repetitive tasks.

Q&A

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