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Super Precision Angular Contact Ball Bearings 7004 CE/HCP4A

Super Precision Angular Contact Ball Bearings 7004 CE/HCP4A

The 7004 CE/HCP4A is a super precision angular contact ball bearing with a 20mm bore and 42mm outer diameter, crafted from chrome steel for durability. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 1667 lbf and spins at speeds up to 100,000 RPM, thanks to its phenolic cage. Its P4 tolerance class ensures high precision in demanding applications.

The open design allows easy lubrication, while the preload option enhances stability. Ideal for high-speed machinery like spindles or dental tools where precision is key.

Weighing just 0.056kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial uses.

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Product Parameters

  • Part Number 7004 CE/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.005mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.006mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 12
  • Contact Angle 15°
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1667 lbf
  • Static Radial Load 754 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 100000 rpm
  • Weight 0.056 kg
  • Price（$） 85.338
Super Precision Angular Contact Ball Bearings 7004 CE/HCP4A dimension drawing
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Features

Why Choose 7004 CE/HCP4A Bearing for Precision Tasks?

7004 CE/HCP4A Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with precision.
Its ceramic balls and chrome steel rings ensure smooth operation, even at high speeds up to 100,000 rpm.

The phenolic cage minimises friction, enhancing the bearing’s efficiency and longevity.
With a P4 tolerance class, it delivers consistent performance in demanding applications.

Lubrication is pre-applied, reducing initial setup time and maintenance needs.
The open design allows for easy inspection and re-lubrication if required.

Application

Common Applications of 7004 CE/HCP4A Bearing
7004 CE/HCP4A Bearing works well in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The 15° contact angle helps manage both radial and axial loads efficiently.

In robotics, 7004 CE/HCP4A Bearing is often used in joint assemblies, thanks to its precision and ability to handle rapid movements. The P4 tolerance ensures consistent performance in automated systems.

For medical imaging devices, 7004 CE/HCP4A Bearing’s low heat generation and high-speed capability make it a reliable choice. Its chrome steel rings provide durability in demanding healthcare environments.

Where Is 7004 CE/HCP4A Bearing Used?
You’ll find 7004 CE/HCP4A Bearing in electric motors, where its lubricated design supports long service life. The open seal allows for easy maintenance in industrial settings.

In 3D printers, 7004 CE/HCP4A Bearing ensures precise movement of print heads, thanks to its high tolerance class. The ceramic balls also help reduce wear over time.

Built for Heavy-Duty Use: 7004 CE/HCP4A Bearing
7004 CE/HCP4A Bearing handles heavy loads in conveyor systems, where its dynamic radial load capacity keeps things running smoothly. The phenolic cage adds extra durability.

In automotive transmissions, 7004 CE/HCP4A Bearing supports smooth gear shifts with its angular contact design. The metric sizing fits well in compact spaces.

Light-Duty vs Heavy-Duty: Best Uses for 7004 CE/HCP4A Bearing
For light-duty tasks like office printers, 7004 CE/HCP4A Bearing offers quiet operation and long life. Its precision is ideal for small, repetitive movements.

In heavy-duty industrial pumps, 7004 CE/HCP4A Bearing stands up to constant use with minimal maintenance. The high-speed rating ensures reliable performance under pressure.

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