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Super Precision Angular Contact Ball Bearings 7040 ACD/P4ADGB

Super Precision Angular Contact Ball Bearings 7040 ACD/P4ADGB

The 7040 ACD/P4ADGB 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 P4A tolerance class, it offers exceptional accuracy for demanding applications. Ideal for high-speed machinery, spindles, or precision tools where reliability is key.

Weighing 24.6kg, it’s robust yet manageable for industrial use. The bearing comes pre-lubricated and works in temperatures from -30°C to 110°C. Interchangeable with SKF models for easy replacement.

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Product Parameters

  • Part Number 7040 ACD/P4ADGB
  • 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 Light / Class B
  • 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/P4ADGB dimension drawing
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Features

Performance Features of 7040 ACD/P4ADGB Bearing

7040 ACD/P4ADGB Bearing is crafted with chrome steel rings and balls, offering high precision for angular contact applications.
Its 25° contact angle ensures optimal load distribution, enhancing performance in demanding setups.
The phenolic cage maintains ball alignment, reducing friction and wear during high-speed operation.
With a dynamic radial load capacity of 103950 lbf, it handles heavy loads efficiently.

Why Choose 7040 ACD/P4ADGB Bearing for Precision Tasks?

7040 ACD/P4ADGB Bearing’s P4A tolerance class guarantees exceptional accuracy for precision machinery.
The universal matching design allows flexible arrangements like back-to-back or face-to-face configurations.
Its light preload (Class B) ensures smooth operation while maintaining stability under radial loads.
The bearing operates reliably at speeds up to 16,250 rpm, making it suitable for high-performance applications.

Engineered for Precision: 7040 ACD/P4ADGB Bearing

7040 ACD/P4ADGB Bearing features 21 chrome steel balls, each 34.925 mm in diameter, for balanced load distribution.
The open seal design simplifies lubrication, ensuring consistent performance in various conditions.
With a static radial load capacity of 165375 lbf, it excels in heavy-duty applications.
Its temperature range of -30°C to 110°C ensures reliability in diverse operating environments.

Application

Industrial Uses of 7040 ACD/P4ADGB Bearing
7040 ACD/P4ADGB Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The universal matching design allows for flexible arrangements, making it suitable for complex setups.

In aerospace applications, 7040 ACD/P4ADGB Bearing supports critical components like turbine shafts, thanks to its phenolic cage and chrome steel construction. Its high-speed capability (up to 16,250 rpm) ensures reliable performance in demanding conditions.

For robotics, 7040 ACD/P4ADGB Bearing excels in articulated arms and joints, where light preload and P4A tolerance class provide smooth motion. The open seal design also simplifies lubrication maintenance in automated systems.

Where Is 7040 ACD/P4ADGB Bearing Used?
7040 ACD/P4ADGB Bearing is a go-to choice for CNC spindles, offering stability under heavy dynamic loads (103,950 lbf). Its tandem arrangement option makes it versatile for multi-bearing configurations.

In medical imaging devices, 7040 ACD/P4ADGB Bearing’s precision reduces vibration, ensuring clear scans. The temperature range (-30°C to 110°C) also suits equipment used in varied environments.

Q&A

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