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Super Precision Angular Contact Ball Bearings 7038 CD/HCP4A

Super Precision Angular Contact Ball Bearings 7038 CD/HCP4A

The 7038 CD/HCP4A is a super precision angular contact ball bearing with a 190mm bore and 290mm outer diameter, crafted from high-quality chrome steel. Its 15° contact angle efficiently handles both radial and axial loads, supporting up to 55575 lbf dynamically.

With a phenolic cage and ceramic balls, it offers smooth operation at speeds up to 9000 RPM. The open design allows for easy lubrication, ensuring long service life.

This bearing meets P4 tolerance standards (ABEC-7), making it ideal for high-precision applications like machine tools or spindles. It operates reliably in temperatures from -30°C to 110°C.

Weighing 8.03kg, it’s robust yet manageable for its size. Available in matched arrangements, it’s interchangeable with SKF bearings for convenient replacements. Perfect for demanding industrial environments.

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Product Parameters

  • Part Number 7038 CD/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 15°
  • 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 55575 lbf
  • Static Radial Load 68625 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 9000 rpm
  • Weight 8.03 kg
  • Price（$） 3497.364
Super Precision Angular Contact Ball Bearings 7038 CD/HCP4A dimension drawing
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Features

Performance Features of 7038 CD/HCP4A Bearing

7038 CD/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.

Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 9,000 rpm.

With a dynamic radial load capacity of 55,575 lbf, it handles demanding tasks with ease.

Application

Industrial Uses of 7038 CD/HCP4A Bearing
7038 CD/HCP4A Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The ceramic balls reduce friction, making it suitable for high-speed operations.

In automotive applications, 7038 CD/HCP4A Bearing supports performance in gearboxes and wheel hubs, ensuring smooth rotation under heavy loads. Its phenolic cage offers durability and resistance to heat, ideal for demanding driving conditions.

For medical imaging devices, 7038 CD/HCP4A Bearing provides reliable performance due to its precision P4 tolerance class. The open design allows for easy lubrication, maintaining consistent operation in critical healthcare equipment.

Automation systems benefit from 7038 CD/HCP4A Bearing in robotic arms, where its matched arrangement ensures precise movement. The chrome steel rings enhance longevity, even in continuous operation scenarios.

In aerospace components, 7038 CD/HCP4A Bearing’s lightweight ceramic balls and high-speed capability make it a preferred choice. Its temperature range ensures stability in varying environmental conditions.

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