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Super Precision Angular Contact Ball Bearings 7030 ACD/P4ADBB

Super Precision Angular Contact Ball Bearings 7030 ACD/P4ADBB

The 7030 ACD/P4ADBB is a super precision angular contact ball bearing with a 150mm bore and 225mm outer diameter, measuring 70mm in width. Made from chrome steel, it’s designed for high-performance applications requiring accuracy and durability.

With a 25° contact angle and light preload, it handles radial loads up to 59625 lbf and spins smoothly at 11000 RPM. The open design allows for easy lubrication, while the phenolic cage ensures quiet operation.

This matched set of two bearings (DB arrangement) is ideal for machine tools or spindles where precision is key. It operates in temperatures from -30°C to 110°C and meets P4A tolerance standards.

Weighing 8.35kg, it’s robust yet suitable for high-speed applications. Interchangeable with SKF bearings, it’s a reliable choice for replacements or upgrades.

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Product Parameters

  • Part Number 7030 ACD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 150 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 225 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 70 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 23.812 mm
  • Ball Qty 22
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 59625 lbf
  • Static Radial Load 81000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 8.35 kg
Super Precision Angular Contact Ball Bearings 7030 ACD/P4ADBB dimension drawing
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Features

Performance Features of 7030 ACD/P4ADBB Bearing

7030 ACD/P4ADBB Bearing is designed with a 25° contact angle, ideal for handling angular contact loads.
Its chrome steel rings and balls ensure durability and reliable performance under high radial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 59,625 lbf, it excels in demanding applications.

7030 ACD/P4ADBB Bearing operates efficiently at speeds up to 11,000 rpm.
Its precision P4A tolerance class ensures consistent performance in high-speed environments.

The matched arrangement of two bearings provides stability and load distribution.
Light preload (Class B) further enhances its performance in precision applications.

7030 ACD/P4ADBB Bearing works reliably in temperatures from -30°C to 110°C.
Its open design allows for easy lubrication, ensuring long service life.

Application

Practical Applications of 7030 ACD/P4ADBB Bearing
7030 ACD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload and P4A tolerance class make it ideal for applications demanding minimal vibration.

In robotics, 7030 ACD/P4ADBB Bearing supports articulated arms, providing smooth movement and long service life. The matched arrangement of two bearings enhances stability in dynamic operations.

For aerospace components, 7030 ACD/P4ADBB Bearing’s chrome steel construction handles radial and axial loads efficiently. Its phenolic cage offers durability in high-speed scenarios, such as turbine systems.

Where Is 7030 ACD/P4ADBB Bearing Used?
7030 ACD/P4ADBB Bearing finds its place in medical imaging devices, where precision and reliability are critical. The open design allows for easy lubrication, maintaining performance in continuous use.

In automation systems, 7030 ACD/P4ADBB Bearing ensures precise positioning in CNC machines. The 25° contact angle optimises load distribution, reducing wear over time.

Built for Heavy-Duty Use: 7030 ACD/P4ADBB Bearing
7030 ACD/P4ADBB Bearing excels in industrial gearboxes, handling both radial and thrust loads with ease. The phenolic cage material resists heat, making it suitable for demanding environments.

For wind turbine generators, 7030 ACD/P4ADBB Bearing’s high dynamic load capacity ensures reliable operation. Its metric dimensions make it compatible with a wide range of European-designed machinery.

Automotive vs Aerospace: Applications of 7030 ACD/P4ADBB Bearing
In automotive systems, 7030 ACD/P4ADBB Bearing supports high-performance transmissions, where its precision enhances shifting smoothness. The light preload reduces friction, improving fuel efficiency.

For aerospace applications, 7030 ACD/P4ADBB Bearing’s ability to handle combined loads makes it a go-to choice for landing gear mechanisms. The P4A tolerance ensures consistent performance under extreme conditions.

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