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Super Precision Angular Contact Ball Bearings 7038 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 7038 ACD/HCP4A

The 7038 ACD/HCP4A is a super precision angular contact ball bearing with a 190mm bore and 290mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and ceramic balls for smooth operation under heavy loads.

This bearing handles dynamic radial loads up to 52650 lbf and spins efficiently at speeds up to 8000 RPM. Its phenolic cage ensures durability while the open design allows for easy lubrication.

The P4 tolerance class (equivalent to ABEC-7) guarantees exceptional precision, making it ideal for high-performance applications. It works reliably in temperatures from -30°C to 110°C.

Weighing 8.03kg, this bearing is suited for precision machinery like CNC spindles or high-speed industrial equipment. Its interchangeable design with SKF bearings makes it a versatile choice for replacements.

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Product Parameters

  • Part Number 7038 ACD/HCP4A
  • 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 Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 52650 lbf
  • Static Radial Load 65250 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 8000 rpm
  • Weight 8.03 kg
  • Price（$） 3497.328
Super Precision Angular Contact Ball Bearings 7038 ACD/HCP4A dimension drawing
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Features

Why Choose 7038 ACD/HCP4A Bearing for Precision Tasks?

7038 ACD/HCP4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with high precision.
Its chrome steel rings and ceramic balls reduce friction, ensuring smooth operation even at high speeds.

The phenolic cage maintains ball alignment, enhancing durability and performance in demanding applications.
With a dynamic radial load capacity of 52,650 lbf, it excels in heavy-duty precision tasks.

7038 ACD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C, suitable for various environments.
Its P4 tolerance class guarantees exceptional accuracy, making it a reliable choice for precision engineering.

Application

Essential Roles of 7038 ACD/HCP4A Bearing
7038 ACD/HCP4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for high-speed operations.

In aerospace applications, 7038 ACD/HCP4A Bearing supports critical components like turbine shafts, thanks to its robust chrome steel construction. The phenolic cage adds durability, even under extreme temperature variations.

For automation systems, 7038 ACD/HCP4A Bearing enhances the performance of robotic arms with its matched arrangement and preload options. Its P4 tolerance class guarantees consistent precision in repetitive tasks.

Medical imaging devices benefit from 7038 ACD/HCP4A Bearing’s smooth operation and low vibration. The open design allows for easy lubrication, ensuring long-term reliability in sensitive environments.

Q&A

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