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Super Precision Angular Contact Ball Bearings 7004 ACD/HCP4ADBA

Super Precision Angular Contact Ball Bearings 7004 ACD/HCP4ADBA

The 7004 ACD/HCP4ADBA is a super precision angular contact ball bearing with a 20mm bore and 42mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 3038 lbf and spins smoothly at speeds up to 103,000 RPM.

Its 25° contact angle and matched arrangement of two bearings (DB) provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life.

This bearing comes pre-lubricated and operates in temperatures from -30°C to 110°C. Ideal for high-speed applications like spindles or precision tools where accuracy is key.

Weighing just 0.12kg, it’s lightweight yet robust. Compliant with P4A tolerance class for superior performance. The open design allows for easy maintenance and inspection.

Its ceramic balls reduce friction, making it efficient for demanding tasks. A reliable choice for engineers needing precision and durability in compact spaces.

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Product Parameters

  • Part Number 7004 ACD/HCP4ADBA
  • 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 24 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3038 lbf
  • Static Radial Load 1834 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 103000 rpm
  • Weight 0.12 kg
Super Precision Angular Contact Ball Bearings 7004 ACD/HCP4ADBA dimension drawing
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Features

Performance Features of 7004 ACD/HCP4ADBA Bearing

7004 ACD/HCP4ADBA Bearing features a 25° contact angle, optimised for precision angular contact applications.
The ceramic balls reduce friction, enhancing speed capabilities up to 103,000 rpm.

Its phenolic cage ensures smooth operation and durability, even under high dynamic radial loads of 3038 lbf.

With a matched arrangement of two bearings, it provides extra light preload for consistent performance.

Application

Industrial Uses of 7004 ACD/HCP4ADBA Bearing
7004 ACD/HCP4ADBA Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup.
The matched arrangement ensures stability in precision grinding applications, making it a reliable choice for demanding industrial environments.

Where Is 7004 ACD/HCP4ADBA Bearing Used?
You’ll often find 7004 ACD/HCP4ADBA Bearing in automotive transmissions, where its angular contact design handles combined radial and axial loads efficiently.
The extra light preload also makes it suitable for electric vehicle motors, ensuring smooth operation at high speeds.

Perfect Fit for Automation: 7004 ACD/HCP4ADBA Bearing
7004 ACD/HCP4ADBA Bearing works well in robotic arms, thanks to its P4A tolerance class for precise movement control.
The open seal type allows for easy lubrication, extending its lifespan in continuous operation scenarios.

Medical vs Industrial: Where 7004 ACD/HCP4ADBA Bearing Excels
In medical imaging devices, 7004 ACD/HCP4ADBA Bearing’s ceramic balls provide quiet and vibration-free performance.
For industrial pumps, its chrome steel rings offer durability under heavy loads, making it versatile across different sectors.

How Does 7004 ACD/HCP4ADBA Bearing Support High-Speed Operations?
7004 ACD/HCP4ADBA Bearing’s max speed of 103,000 rpm makes it ideal for spindle applications in CNC machines.
The phenolic cage material ensures lightweight performance, reducing centrifugal forces at high rotational speeds.

Q&A

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