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Super Precision Angular Contact Ball Bearings 7004 ACEGA/HCP4A

Super Precision Angular Contact Ball Bearings 7004 ACEGA/HCP4A

The 7004 ACEGA/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 25° contact angle and ceramic balls for smooth operation at high speeds.

With a dynamic radial load capacity of 1609 lbf, it handles demanding applications effortlessly. The phenolic cage ensures stability, while the open design allows for easy lubrication and maintenance.

This bearing is ideal for high-speed machinery like spindles or robotics, operating efficiently between -30°C and 110°C. Its P4A tolerance class guarantees precision performance.

Weighing just 0.056kg, it’s lightweight yet robust. The bearing can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use. Compliant with universal matching standards, it’s a reliable choice for precision engineering.

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Product Parameters

  • Part Number 7004 ACEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 12
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1609 lbf
  • Static Radial Load 731 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 103000 rpm
  • Weight 0.056 kg
Super Precision Angular Contact Ball Bearings 7004 ACEGA/HCP4A dimension drawing
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Features

Performance Features of 7004 ACEGA/HCP4A Bearing

7004 ACEGA/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing speed and efficiency.

The phenolic cage ensures smooth operation, even at high speeds up to 103,000 rpm.
With a dynamic radial load capacity of 1609 lbf, it handles demanding tasks reliably.

7004 ACEGA/HCP4A Bearing operates in temperatures from -30°C to 110°C, suitable for varied environments.
Its precision P4A tolerance class guarantees consistent performance in critical applications.

Application

Common Applications of 7004 ACEGA/HCP4A Bearing
7004 ACEGA/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise alignment for smooth operation.

In robotics, 7004 ACEGA/HCP4A Bearing supports articulated arms, offering reliable performance in repetitive movements. Its extra-light preload minimises energy loss, making it efficient for automated systems.

For medical imaging devices, 7004 ACEGA/HCP4A Bearing’s chrome steel rings provide stability during high-speed rotations. The open design allows for easy lubrication, extending service life in critical applications.

Automotive electric motors benefit from 7004 ACEGA/HCP4A Bearing’s angular contact design, which handles combined radial and axial loads effectively. Its metric sizing ensures compatibility with compact motor designs.

In 3D printers, 7004 ACEGA/HCP4A Bearing’s low friction and high-speed capability contribute to precise layer deposition. The phenolic cage dampens vibrations, improving print quality.

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