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Super Precision Angular Contact Ball Bearings 7040 ACDGB/P4A

Super Precision Angular Contact Ball Bearings 7040 ACDGB/P4A

The 7040 ACDGB/P4A is a super precision angular contact ball bearing with a 200mm bore and 310mm 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 63225 lbf, it operates smoothly at speeds up to 16250 RPM. The phenolic cage ensures durability, while the open design allows for easy lubrication and maintenance.

This bearing is part of a matched set of four, suitable for universal matching in back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision machinery like spindles or CNC equipment.

Weighing 12.3kg, it’s robust yet manageable for its size. Compliant with P4A tolerance class, it offers reliable performance in temperatures from -30°C to 110°C.

Interchangeable with SKF bearings, it’s a practical choice for replacements or upgrades in industrial settings. Its light preload (Class B) ensures smooth operation without excessive friction.

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Product Parameters

  • Part Number 7040 ACDGB/P4A
  • 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 51 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 No
  • Number Of Bearings In Matched Set 4
  • 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 63225 lbf
  • Static Radial Load 82125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 12.3 kg
Super Precision Angular Contact Ball Bearings 7040 ACDGB/P4A dimension drawing
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Features

Performance Features of 7040 ACDGB/P4A Bearing

7040 ACDGB/P4A Bearing is designed with a 25° contact angle, offering precise angular contact performance.
Its chrome steel rings and balls ensure durability under high radial loads, up to 63225 lbf dynamically.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 16,250 rpm, it delivers reliable performance in high-speed applications.

7040 ACDGB/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its P4A tolerance class ensures high precision, making it suitable for demanding industrial uses.

The open design allows for easy lubrication, extending the bearing’s service life.
Weighing 12.3 kg, it balances strength and precision for heavy-duty applications.

Application

Key Fields for 7040 ACDGB/P4A Bearing
7040 ACDGB/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload helps maintain stability during high-speed operations.

In aerospace applications, 7040 ACDGB/P4A Bearing supports critical components like helicopter rotors, thanks to its reliable load handling. The phenolic cage reduces friction, making it suitable for demanding environments.

For automation systems, 7040 ACDGB/P4A Bearing is ideal for robotic arms, providing smooth movement under angular loads. Its P4A tolerance class ensures consistent performance in repetitive tasks.

Medical imaging devices benefit from 7040 ACDGB/P4A Bearing’s precision, ensuring quiet and vibration-free operation. The chrome steel construction adds durability for long-term use.

Q&A

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