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Super Precision Angular Contact Ball Bearings 7040 CD/P4ADGB

Super Precision Angular Contact Ball Bearings 7040 CD/P4ADGB

The 7040 CD/P4ADGB is a super precision angular contact ball bearing with a 200mm bore and 310mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 109800 lbf and operates smoothly at speeds up to 16250 RPM.

With a 15° contact angle and open design, it offers excellent performance in high-speed applications. The phenolic cage ensures durability and reduces friction, while the universal matching feature allows flexible arrangement options like back-to-back or face-to-face.

This bearing is ideal for precision machinery such as CNC spindles or high-speed motors, where accuracy and reliability are crucial. It works well in temperatures ranging from -30°C to 110°C.

Weighing 24.6kg, it’s robust yet designed for precision. Compliant with P4A tolerance class, it’s interchangeable with SKF bearings, making it a dependable choice for replacements.

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Product Parameters

  • Part Number 7040 CD/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 15°
  • 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 109800 lbf
  • Static Radial Load 172125 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 CD/P4ADGB dimension drawing
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Features

Performance Features of 7040 CD/P4ADGB Bearing

7040 CD/P4ADGB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls provide strength, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 109800 lbf, 7040 CD/P4ADGB Bearing handles demanding conditions reliably.
The P4A tolerance class guarantees precision, making it suitable for high-accuracy machinery.

7040 CD/P4ADGB Bearing operates efficiently at speeds up to 16,250 rpm, balancing performance and durability.
Its universal matching design allows flexible arrangement options, including back-to-back or face-to-face configurations.

The open seal type and lubrication ensure reduced friction, extending the bearing’s service life.
Its temperature range of -30°C to 110°C makes it adaptable to various working environments.

Application

How Does 7040 CD/P4ADGB Bearing Improve Performance?
7040 CD/P4ADGB Bearing is widely used in high-precision machine tools, where its 15° contact angle ensures smooth operation under radial and axial loads. The universal matching design allows flexible arrangements like back-to-back or face-to-face configurations.

In aerospace applications, 7040 CD/P4ADGB Bearing supports critical components like turbine shafts, thanks to its P4A tolerance class and phenolic cage. Its high dynamic radial load capacity makes it reliable in demanding environments.

For automation systems, 7040 CD/P4ADGB Bearing excels in robotic arms, where its light preload reduces friction during high-speed movements. The chrome steel construction also enhances durability in continuous operation.

Medical imaging devices benefit from 7040 CD/P4ADGB Bearing’s precision, ensuring accurate positioning in MRI machines. The lubricated design further minimises maintenance needs in sterile environments.

In heavy industrial gearboxes, 7040 CD/P4ADGB Bearing handles substantial loads while maintaining alignment. Its 16,250 rpm max speed rating makes it suitable for high-rotation equipment.

Q&A

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