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Super Precision Angular Contact Ball Bearings 7038 CDGA/P4A

Super Precision Angular Contact Ball Bearings 7038 CDGA/P4A

The 7038 CDGA/P4A is a super precision angular contact ball bearing with a 190mm bore and 290mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 55575 lbf and spins smoothly at speeds up to 11000 RPM.

Its 15° contact angle and extra light preload ensure precise performance, while the phenolic cage offers quiet operation. The bearing works well in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings and can be paired in back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tools or spindles where accuracy is key.

Weighing 9.51kg, it’s robust yet designed for smooth, reliable operation. Compliant with P4A tolerance standards for superior performance.

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Product Parameters

  • Part Number 7038 CDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 190 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 290 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 46 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 30.162 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 2
  • 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 55575 lbf
  • Static Radial Load 68625 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 9.51 kg
Super Precision Angular Contact Ball Bearings 7038 CDGA/P4A dimension drawing
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Features

Performance Features of 7038 CDGA/P4A Bearing

7038 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 under high dynamic radial loads of 55575 lbf.

The phenolic cage in 7038 CDGA/P4A Bearing maintains ball alignment, reducing friction and wear.
With a maximum speed of 11,000 rpm, it delivers reliable performance in precision tasks.

7038 CDGA/P4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its extra light preload design ensures smooth operation while minimising energy loss.

The open seal type allows for easy lubrication, enhancing the bearing’s service life.
Weighing 9.51 kg, it balances strength and practicality for industrial use.

Application

Industrial Uses of 7038 CDGA/P4A Bearing
The 7038 CDGA/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads. Its open seal type allows for efficient lubrication, extending service life in demanding industrial settings.

Where Is 7038 CDGA/P4A Bearing Used?
You’ll often find 7038 CDGA/P4A Bearing in automotive transmissions, where its extra-light preload reduces friction and improves efficiency. The phenolic cage material also helps dampen vibrations, making it ideal for high-speed applications.

Perfect Fit for Automation: 7038 CDGA/P4A Bearing
In robotic arms and automated production lines, 7038 CDGA/P4A Bearing provides smooth rotation and precise positioning. Its P4A tolerance class ensures consistent performance, even in repetitive motion tasks.

Medical vs Industrial: Where 7038 CDGA/P4A Bearing Excels
While 7038 CDGA/P4A Bearing is suitable for industrial gearboxes, its precision also makes it a reliable choice for medical imaging devices. The chrome steel construction offers durability without compromising on smooth operation.

Light-Duty vs Heavy-Duty: Best Uses for 7038 CDGA/P4A Bearing
For light-duty applications like small electric motors, 7038 CDGA/P4A Bearing offers quiet operation and low friction. In heavy-duty scenarios, such as large pumps, its high dynamic load capacity ensures long-term reliability.

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