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Super Precision Angular Contact Ball Bearings 7040 ACD/P4ADGC

Super Precision Angular Contact Ball Bearings 7040 ACD/P4ADGC

The 7040 ACD/P4ADGC is a super precision angular contact ball bearing with a 200mm bore and 310mm outer diameter, crafted from high-grade chrome steel. It handles radial loads up to 103950 lbf and operates smoothly at speeds up to 16250 RPM.

Its 25° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face setups. The phenolic cage ensures durability while keeping the bearing lightweight for its size.

With a moderate preload (Class C) and P4A tolerance, it offers reliable performance in demanding applications. Ideal for machine tools or high-speed spindles where precision is key.

Weighing 24.6kg, this bearing works in temperatures from -30°C to 110°C and comes as a matched set of two for balanced performance. Compliant with industry standards for quality and safety.

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Product Parameters

  • Part Number 7040 ACD/P4ADGC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 200 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 310 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 102 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 34.925 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 103950 lbf
  • Static Radial Load 165375 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 24.6 kg
Super Precision Angular Contact Ball Bearings 7040 ACD/P4ADGC dimension drawing
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Features

Performance Features of 7040 ACD/P4ADGC Bearing

7040 ACD/P4ADGC 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 103,950 lbf.
Its phenolic cage ensures smooth operation at high speeds, reaching up to 16,250 rpm.
The universal matching design allows flexible arrangements like back-to-back or face-to-face configurations.

How Is 7040 ACD/P4ADGC Bearing Engineered for Reliability?

7040 ACD/P4ADGC Bearing’s precision P4A tolerance class ensures consistent performance in demanding conditions.
The moderate preload (Class C) reduces vibration, enhancing stability during operation.
With a static radial load capacity of 165,375 lbf, it handles heavy loads reliably.
The open design simplifies lubrication, maintaining efficiency over time.

Built for Precision: 7040 ACD/P4ADGC Bearing

7040 ACD/P4ADGC Bearing’s 21 chrome steel balls and 34.925 mm ball diameter provide balanced load distribution.
Its matched set of two bearings offers versatility for various mounting arrangements.
The phenolic cage material reduces friction, contributing to quieter operation.
Operating between -30°C to 110°C, it performs well in diverse temperature conditions.

Application

Key Fields for 7040 ACD/P4ADGC Bearing
7040 ACD/P4ADGC Bearing is widely used in high-precision machine tools, where its moderate preload and universal matching ensure accurate spindle performance. The phenolic cage reduces friction, making it suitable for long operational cycles.

In aerospace applications, 7040 ACD/P4ADGC Bearing handles radial and axial loads in turbine systems, thanks to its 25° contact angle. Its chrome steel construction withstands high speeds and temperatures common in aviation environments.

For robotics, 7040 ACD/P4ADGC Bearing provides smooth motion in articulated arms, where precision and durability are key. The open design allows for easy lubrication, maintaining performance in automated production lines.

Medical imaging devices benefit from 7040 ACD/P4ADGC Bearing’s low vibration and high load capacity. Its P4A tolerance class ensures reliable operation in sensitive diagnostic equipment.

In automotive testing rigs, 7040 ACD/P4ADGC Bearing supports high-speed rotations with minimal noise. The matched set configuration simplifies installation in complex drivetrain systems.

Q&A

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