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Super Precision Angular Contact Ball Bearings 7038 ACD/P4A

Super Precision Angular Contact Ball Bearings 7038 ACD/P4A

The 7038 ACD/P4A is a super precision angular contact ball bearing with a 190mm bore and 290mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 52650 lbf and operates smoothly at speeds up to 6300 RPM.

With a 25° contact angle and phenolic cage, it offers excellent stability and durability. The open design allows for easy lubrication, ensuring long service life.

This bearing is ideal for high-precision applications like machine tools or spindle systems. Its P4 tolerance class ensures reliable performance in demanding environments.

Weighing 9.51kg, it’s built to withstand heavy loads while maintaining precision. Suitable for temperatures from -30°C to 110°C, it’s a versatile choice for industrial use.

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Product Parameters

  • Part Number 7038 ACD/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 25°
  • 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 52650 lbf
  • Static Radial Load 65250 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 6300 rpm
  • Weight 9.51 kg
  • Price（$） 3496.653
Super Precision Angular Contact Ball Bearings 7038 ACD/P4A dimension drawing
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Features

Performance Features of 7038 ACD/P4A Bearing

7038 ACD/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 52,650 lbf.

The phenolic cage ensures smooth operation, reducing friction and noise at high speeds.
With a maximum speed of 6,300 rpm, it balances precision and performance in demanding conditions.

7038 ACD/P4A Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its open design simplifies lubrication, ensuring consistent performance over time.

Application

Industrial Uses of 7038 ACD/P4A Bearing
The 7038 ACD/P4A Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. Its open design and phenolic cage make it suitable for applications requiring minimal friction and heat generation.

In robotics, 7038 ACD/P4A Bearing supports articulated arms and joints, providing smooth movement and long service life. The P4 tolerance class ensures consistent performance in automated systems.

For medical imaging devices, 7038 ACD/P4A Bearing’s chrome steel construction offers reliability and precision. Its ability to handle high speeds makes it ideal for rotating components in diagnostic equipment.

Automotive vs Aerospace: Applications of 7038 ACD/P4A Bearing
In automotive systems, 7038 ACD/P4A Bearing is often found in high-performance transmissions, where its angular contact design improves load distribution. The metric sizing ensures compatibility with a range of vehicle models.

Aerospace applications benefit from 7038 ACD/P4A Bearing’s ability to handle both radial and thrust loads in flight control systems. Its phenolic cage reduces weight while maintaining durability.

Built for Heavy-Duty Use: 7038 ACD/P4A Bearing
The 7038 ACD/P4A Bearing excels in industrial fans and pumps, where its dynamic radial load capacity ensures reliable operation. The lubricated design helps maintain performance in demanding environments.

For conveyor systems, 7038 ACD/P4A Bearing’s robust construction and high-speed capability make it a dependable choice. Its temperature range allows it to perform well in both hot and cold conditions.

Q&A

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