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Super Precision Angular Contact Ball Bearings 7038 ACD/P4ATBTB

Super Precision Angular Contact Ball Bearings 7038 ACD/P4ATBTB

The 7038 ACD/P4ATBTB 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 114075 lbf and operates smoothly at speeds up to 11000 RPM.

Its 25° contact angle and matched arrangement of three bearings provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life.

This bearing is preloaded for light applications and works in temperatures from -30°C to 110°C. Ideal for high-precision machinery like spindles or CNC equipment where accuracy is crucial.

Weighing 28.5kg, it’s robust yet designed for precision performance. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7038 ACD/P4ATBTB
  • 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 138 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 30.162 mm
  • Ball Qty 22
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • 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 114075 lbf
  • Static Radial Load 198000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 28.5 kg
Super Precision Angular Contact Ball Bearings 7038 ACD/P4ATBTB dimension drawing
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Features

How Does 7038 ACD/P4ATBTB Bearing Achieve Super Precision?

7038 ACD/P4ATBTB Bearing features a 25° contact angle, ensuring optimal load distribution for high-precision applications.
Its chrome steel rings and balls provide excellent durability and resistance to wear.

The matched arrangement of three bearings enhances stability and performance under radial loads.
With a dynamic radial load capacity of 114075 lbf, it handles demanding conditions with ease.

7038 ACD/P4ATBTB Bearing operates smoothly at speeds up to 11,000 rpm, thanks to its phenolic cage design.
The P4A tolerance class guarantees precision and reliability in critical applications.

Its open seal type allows for easy lubrication, ensuring long-term performance.
The temperature range of -30°C to 110°C makes it suitable for various environments.

Application

Industrial Uses of 7038 ACD/P4ATBTB Bearing
7038 ACD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of three bearings provides stability in heavy cutting operations.

In automotive applications, 7038 ACD/P4ATBTB Bearing supports high-speed components like turbochargers and transmission systems. Its light preload and P4A tolerance class make it suitable for demanding performance requirements.

For medical imaging devices, 7038 ACD/P4ATBTB Bearing’s phenolic cage and chrome steel construction offer reliable operation in sensitive environments. The open design allows for easy lubrication, extending service life.

Automation systems benefit from 7038 ACD/P4ATBTB Bearing’s ability to handle combined radial and axial loads in robotic arms. The 25° contact angle ensures smooth motion control in repetitive tasks.

In aerospace applications, 7038 ACD/P4ATBTB Bearing’s high dynamic load capacity makes it ideal for helicopter rotor systems. The metric dimensions ensure compatibility with international aircraft standards.

Q&A

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