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Super Precision Angular Contact Ball Bearings 7038 CD/P4A

Super Precision Angular Contact Ball Bearings 7038 CD/P4A

The 7038 CD/P4A is a super precision angular contact ball bearing with a 190mm bore and 290mm outer diameter, built from high-quality chrome steel. It handles radial loads up to 55575 lbf and operates smoothly at speeds up to 7000 RPM.

With a 15° contact angle and phenolic cage, it offers excellent stability and low friction. The open design allows for easy lubrication, ensuring long service life even in demanding conditions.

This bearing is ideal for high-precision applications like machine tool spindles or industrial pumps. Its P4 tolerance class ensures reliable performance where accuracy is crucial.

Weighing 9.51kg, it’s a robust choice for heavy-duty machinery. The bearing works well in temperatures from -30°C to 110°C and is interchangeable with SKF models.

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Product Parameters

  • Part Number 7038 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 190 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 290 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 46 mm
  • Width Tolerance -0.24mm to 0
  • Ball Dia 30.162 mm
  • Ball Qty 22
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • 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° to 110 °C
  • Max Speed 7000 rpm
  • Weight 9.51 kg
  • Price（$） 3496.761
Super Precision Angular Contact Ball Bearings 7038 CD/P4A dimension drawing
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Features

Why Choose 7038 CD/P4A Bearing for Precision Tasks?

7038 CD/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability under dynamic radial loads up to 55575 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a P4 tolerance class, it delivers consistent performance in demanding conditions.

7038 CD/P4A Bearing operates efficiently at speeds up to 7,000 rpm while maintaining stability.
Its open design allows easy lubrication, extending service life and reducing maintenance needs.

Application

Industrial Uses of 7038 CD/P4A Bearing
The 7038 CD/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. Its phenolic cage reduces friction, making it suitable for continuous operation in demanding environments.

In aerospace applications, 7038 CD/P4A Bearing supports components like helicopter transmissions, handling both radial and axial loads efficiently. The P4 tolerance class guarantees the precision needed for critical flight systems.

For automation equipment, 7038 CD/P4A Bearing excels in robotic arms, providing smooth movement and long service life. The chrome steel construction offers durability, even in high-speed scenarios.

Medical imaging devices benefit from 7038 CD/P4A Bearing’s low vibration and high rigidity, ensuring clear and stable scans. The open design allows for easy lubrication, maintaining performance over time.

In heavy machinery, 7038 CD/P4A Bearing handles substantial loads while maintaining precision, ideal for presses and lathes. Its metric sizing ensures compatibility with a wide range of industrial equipment.

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