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Super Precision Angular Contact Ball Bearings 7044 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 7044 ACDGA/P4A

The 7044 ACDGA/P4A is a super precision angular contact ball bearing with a 220mm bore and 340mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle efficiently handles both radial and axial loads, making it versatile for demanding applications.

With a dynamic radial load capacity of 71775 lbf and a maximum speed of 6300 RPM, it performs reliably under high-stress conditions. The phenolic cage ensures smooth operation and durability, even in temperatures ranging from -30°C to 110°C.

This bearing comes preloaded for extra light use, ideal for precision machinery. It can be arranged in back-to-back, face-to-face, or tandem configurations, offering flexibility in setup.

Weighing 16.1kg, it’s suited for heavy-duty applications like machine tools or industrial spindles. Compliant with P4A tolerance standards, it ensures exceptional accuracy and interchangeability with SKF models.

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Product Parameters

  • Part Number 7044 ACDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 220 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 340 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 56 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 38.1 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • 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°C to 110 °C
  • Max Speed 6300 rpm
  • Weight 16.1 kg
Super Precision Angular Contact Ball Bearings 7044 ACDGA/P4A dimension drawing
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Features

Performance Features of 7044 ACDGA/P4A Bearing

7044 ACDGA/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.

The chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 71775 lbf.

With a phenolic cage, it ensures smooth operation and reduced friction at high speeds.

Its P4A tolerance class guarantees precision, making it suitable for demanding industrial uses.

How Does 7044 ACDGA/P4A Bearing Ensure Smooth Operation?

7044 ACDGA/P4A Bearing’s open design and lubrication reduce friction, enabling quiet performance.

The phenolic cage maintains ball alignment, minimising wear even at speeds up to 6,300 rpm.

Its chrome steel construction resists wear, ensuring long-term reliability.

The extra light preload enhances precision, ideal for high-accuracy applications.

Built for Reliability: 7044 ACDGA/P4A Bearing

7044 ACDGA/P4A Bearing handles static radial loads up to 99000 lbf, offering robust performance.

Its universal matching capability allows flexible arrangements like back-to-back or tandem.

The temperature range of -30°C to 110°C ensures adaptability in various environments.

With 21 balls of 38.1 mm diameter, it balances load capacity and smooth rotation.

Steel vs Ceramic Bearings: Strengths of 7044 ACDGA/P4A Bearing

7044 ACDGA/P4A Bearing’s chrome steel construction provides excellent strength and fatigue resistance.

Its phenolic cage offers lightweight stability, outperforming traditional metal cages in some applications.

The bearing’s precision-ground surfaces ensure consistent performance under heavy loads.

Weighing 16.1 kg, it combines durability with manageable handling for its size.

Application

Industrial Uses of 7044 ACDGA/P4A Bearing
7044 ACDGA/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The phenolic cage reduces friction, making it suitable for continuous operation in demanding environments.

In automotive applications, 7044 ACDGA/P4A Bearing supports high-performance gearboxes and drivetrains, ensuring smooth power transmission. Its extra light preload helps maintain accuracy even under varying speeds and loads.

For automation systems, 7044 ACDGA/P4A Bearing provides reliable performance in robotic arms and CNC machines. The P4A tolerance class ensures minimal vibration, which is critical for precision movements.

Medical imaging equipment benefits from 7044 ACDGA/P4A Bearing’s consistent operation and low noise levels. The chrome steel construction offers durability, while the open design allows for easy lubrication.

In aerospace components, 7044 ACDGA/P4A Bearing’s ability to handle high speeds and loads makes it a trusted choice. The universal matching feature simplifies installation in complex assemblies.

Q&A

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