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Super Precision Angular Contact Ball Bearings 7044 ACD/P4A

Super Precision Angular Contact Ball Bearings 7044 ACD/P4A

The 7044 ACD/P4A is a super precision angular contact ball bearing with a 220mm bore and 340mm outer diameter, crafted from high-grade chrome steel. It manages radial loads up to 71775 lbf and operates smoothly at speeds reaching 5300 RPM.

With a 25° contact angle and open design, it offers excellent performance for angular loads. The phenolic cage ensures durability and reduced friction, while the P4 tolerance class guarantees precision.

This bearing is ideal for high-precision applications like machine tool spindles or industrial pumps. It handles temperatures from -30°C to 110°C and comes pre-lubricated for easy use.

Weighing 16.1kg, it’s robust yet suitable for demanding environments. Compatible with SKF bearings, it’s a reliable choice for replacements or upgrades.

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Product Parameters

  • Part Number 7044 ACD/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 25°
  • 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 71775 lbf
  • Static Radial Load 99000 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 5300 rpm
  • Weight 16.1 kg
  • Price（$） 4625.766
Super Precision Angular Contact Ball Bearings 7044 ACD/P4A dimension drawing
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Features

Performance Features of 7044 ACD/P4A Bearing

7044 ACD/P4A Bearing is crafted with chrome steel rings and balls, offering high precision and durability.
Its 25° contact angle ensures efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 71775 lbf, it suits demanding applications.

7044 ACD/P4A Bearing operates smoothly at speeds up to 5,300 rpm.
Its open design allows for easy lubrication, ensuring long service life.

The P4 tolerance class guarantees precision, making it ideal for high-accuracy machinery.
Weighing 16.1 kg, it balances strength and manageability.

Application

Industrial Uses of 7044 ACD/P4A Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate radial and axial load handling. The P4 tolerance class makes it suitable for applications demanding tight rotational precision.

Where Is 7044 ACD/P4A Bearing Used?
You’ll find 7044 ACD/P4A Bearing in automotive testing equipment, where its phenolic cage reduces friction and heat buildup. Its chrome steel construction also provides long-lasting performance in demanding conditions.

Built for Heavy-Duty Use: 7044 ACD/P4A Bearing
In robotics, 7044 ACD/P4A Bearing supports articulated arms, thanks to its ability to handle combined loads smoothly. The open design allows for easy lubrication, extending its service life in continuous operation.

Automotive vs Aerospace: Applications of 7044 ACD/P4A Bearing
While automotive systems benefit from its durability in gearboxes, aerospace applications rely on its precision for flight control mechanisms. The 25° contact angle ensures stability in both high-speed and high-load scenarios.

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