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Super Precision Angular Contact Ball Bearings 7044 CD/HCP4A

Super Precision Angular Contact Ball Bearings 7044 CD/HCP4A

The 7044 CD/HCP4A is a super precision angular contact ball bearing with a 220mm bore and 340mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and can handle dynamic radial loads up to 76050 lbf.

With a phenolic cage and ceramic balls, it offers smooth operation at speeds up to 7500 RPM. The open design allows for easy lubrication, and it performs reliably in temperatures from -30°C to 110°C.

This bearing is interchangeable with SKF models and comes in a matched arrangement for added stability. Ideal for high-precision applications like machine tools or spindle assemblies where accuracy is key.

Weighing 13.2kg, it’s robust yet designed for precision, meeting P4 tolerance standards for consistent performance.

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Product Parameters

  • Part Number 7044 CD/HCP4A
  • 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 Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 76050 lbf
  • Static Radial Load 102375 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 7500 rpm
  • Weight 13.2 kg
  • Price（$） 4625.694
Super Precision Angular Contact Ball Bearings 7044 CD/HCP4A dimension drawing
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Features

Performance Features of 7044 CD/HCP4A Bearing

7044 CD/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability, while the phenolic cage ensures smooth operation.

The bearing supports dynamic radial loads up to 76050 lbf, making it suitable for high-performance machinery.
With a maximum speed of 7,500 rpm, it maintains efficiency without compromising precision.

7044 CD/HCP4A Bearing operates in temperatures from -30° to 110°C, adapting to various industrial conditions.
Its P4 tolerance class ensures high accuracy, meeting stringent requirements for precision engineering.

Application

Industrial Uses of 7044 CD/HCP4A Bearing
7044 CD/HCP4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations in industrial settings.

How Does 7044 CD/HCP4A Bearing Improve Performance?
In automotive applications, 7044 CD/HCP4A Bearing enhances gearbox efficiency by handling combined radial and axial loads smoothly. Its phenolic cage offers durability, even under continuous use in demanding environments.

Perfect Fit for Automation: 7044 CD/HCP4A Bearing
For robotic arms and automated systems, 7044 CD/HCP4A Bearing provides reliable performance with minimal maintenance. The P4 tolerance class ensures precision, which is essential for repeatable movements in automation.

Medical vs Industrial: Where 7044 CD/HCP4A Bearing Excels
In medical imaging devices, 7044 CD/HCP4A Bearing’s chrome steel rings and ceramic balls deliver quiet, vibration-free operation. Meanwhile, its robust design also meets the heavy-load requirements of industrial machinery.

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