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Super Precision Angular Contact Ball Bearings 7038 ACD/P4ATBTA

Super Precision Angular Contact Ball Bearings 7038 ACD/P4ATBTA

The 7038 ACD/P4ATBTA 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 114075 lbf and operates smoothly at speeds up to 11000 RPM.

Its 25° contact angle and matched arrangement of three bearings (TBT) provide excellent stability and load distribution. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. With a P4A tolerance class, it offers precise performance for demanding applications.

Ideal for use in machine tools or high-precision equipment where accuracy and reliability are crucial. Weighing 28.5kg, it’s robust yet designed for efficient performance in industrial settings.

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Product Parameters

  • Part Number 7038 ACD/P4ATBTA
  • 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 Extra light / Class A
  • 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/P4ATBTA dimension drawing
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Features

Performance Features of 7038 ACD/P4ATBTA Bearing

7038 ACD/P4ATBTA Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls provide strong resistance to wear, ensuring long-lasting performance.
The phenolic cage keeps the balls aligned, reducing friction and noise during operation.
With a dynamic radial load capacity of 114075 lbf, it excels in demanding applications.

How Is 7038 ACD/P4ATBTA Bearing Engineered for Reliability?

7038 ACD/P4ATBTA Bearing features a matched arrangement of three bearings, optimised for extra light preload.
Its precision P4A tolerance class ensures consistent performance in high-speed applications.
The open design allows for easy lubrication, maintaining smooth operation up to 11,000 rpm.
With a temperature range of -30°C to 110°C, it performs reliably in various environments.

Built for Precision: 7038 ACD/P4ATBTA Bearing

7038 ACD/P4ATBTA Bearing’s chrome steel construction provides excellent durability under heavy loads.
Its 22 balls, each 30.162 mm in diameter, ensure even load distribution and reduced wear.
The bearing’s width tolerance of -0.2mm to 0 guarantees a precise fit in assemblies.
Weighing 28.5 kg, it offers a robust solution for industrial machinery.

Application

Industrial Uses of 7038 ACD/P4ATBTA Bearing
This 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 excellent stability for heavy cutting operations.

In aerospace applications, 7038 ACD/P4ATBTA Bearing handles the demanding loads of helicopter rotor systems. Its phenolic cage offers smooth performance even at high rotational speeds.

For automation equipment, 7038 ACD/P4ATBTA Bearing’s extra light preload reduces friction in robotic arms. The chrome steel construction ensures long service life in continuous operation environments.

Medical imaging devices benefit from 7038 ACD/P4ATBTA Bearing’s P4A tolerance class, maintaining precision in CT scanner gantries. The lubricated design allows for quiet operation in sensitive healthcare settings.

Wind turbine pitch control systems rely on 7038 ACD/P4ATBTA Bearing for its ability to handle both radial and axial loads. The 25° contact angle optimizes load distribution in variable wind conditions.

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