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Super Precision Angular Contact Ball Bearings 7030 CDGA/P4A

Super Precision Angular Contact Ball Bearings 7030 CDGA/P4A

The 7030 CDGA/P4A is a super precision angular contact ball bearing with a 150mm bore and 225mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 38700 lbf and operates smoothly at speeds up to 11000 RPM.

With a 15° contact angle and extra light preload, it offers precise performance for demanding applications. The open design and phenolic cage ensure reliable operation in temperatures from -30°C to 110°C.

This bearing is part of a universal matching set, allowing flexible arrangements like back-to-back or face-to-face. Ideal for high-precision machinery such as spindles or CNC equipment where accuracy is key.

Weighing 4.17kg, it’s a robust choice for industrial use. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 7030 CDGA/P4A
  • 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 35 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 23.812 mm
  • Ball Qty 22
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 38700 lbf
  • Static Radial Load 42750 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 4.17 kg
  • Price（$） 852.534
Super Precision Angular Contact Ball Bearings 7030 CDGA/P4A dimension drawing
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Features

Performance Features of 7030 CDGA/P4A Bearing

7030 CDGA/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 38,700 lbf, 7030 CDGA/P4A Bearing handles demanding conditions reliably.
The extra-light preload enhances precision, making it suitable for high-speed operations up to 11,000 rpm.

7030 CDGA/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face configurations.

Application

Industrial Uses of 7030 CDGA/P4A Bearing
The 7030 CDGA/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. Its extra-light preload makes it suitable for applications demanding minimal friction.

In robotics, 7030 CDGA/P4A Bearing supports articulated arms, providing smooth movement and long service life. The phenolic cage material helps reduce weight while maintaining stability under dynamic loads.

For aerospace applications, 7030 CDGA/P4A Bearing handles radial and axial loads in components like landing gear systems. Its P4A tolerance class guarantees consistent performance in critical environments.

Where Is 7030 CDGA/P4A Bearing Used?
You’ll often find 7030 CDGA/P4A Bearing in CNC machining centres, where its 15° contact angle improves precision cutting. The open design allows for efficient lubrication, extending operational life.

In medical imaging devices, 7030 CDGA/P4A Bearing ensures quiet and vibration-free operation. Its chrome steel construction resists wear, making it reliable for continuous use in diagnostic equipment.

Automotive vs Aerospace: Applications of 7030 CDGA/P4A Bearing
In automotive systems, 7030 CDGA/P4A Bearing is used in high-performance gearboxes, where its dynamic load capacity supports smooth shifting. The metric sizing ensures compatibility with global vehicle designs.

For aerospace, 7030 CDGA/P4A Bearing excels in flight control mechanisms, thanks to its P4A precision. The tandem arrangement option provides additional flexibility for complex load requirements.

Built for Heavy-Duty Use: 7030 CDGA/P4A Bearing
The 7030 CDGA/P4A Bearing handles heavy loads in industrial pumps, where its robust construction prevents premature failure. Its temperature range suits both hot and cold operating conditions.

In wind turbine yaw systems, 7030 CDGA/P4A Bearing offers reliable performance under variable loads. The phenolic cage reduces friction, enhancing energy efficiency in renewable energy applications.

Q&A

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