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Super Precision Angular Contact Ball Bearings 7020 ACD/HCP4ADBB

Super Precision Angular Contact Ball Bearings 7020 ACD/HCP4ADBB

The 7020 ACD/HCP4ADBB is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, measuring 48mm in width. Made from chrome steel with ceramic balls, it offers high performance and durability.

This bearing handles radial loads up to 28575 lbf and spins smoothly at speeds up to 21000 RPM. Its 25° contact angle and light preload ensure precise operation in demanding applications.

The open design allows easy lubrication, while the phenolic cage provides stability. It comes as a matched set of two bearings, ideal for paired arrangements.

Suitable for high-speed machinery like spindles or CNC equipment, it operates in temperatures from -30°C to 110°C. Weighing 2.09kg, it’s robust yet manageable for its size.

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Product Parameters

  • Part Number 7020 ACD/HCP4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 22
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 28575 lbf
  • Static Radial Load 36000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 21000 rpm
  • Weight 2.09 kg
Super Precision Angular Contact Ball Bearings 7020 ACD/HCP4ADBB dimension drawing
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Features

How Does 7020 ACD/HCP4ADBB Bearing Achieve Super Precision?

7020 ACD/HCP4ADBB Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing performance under dynamic radial loads up to 28575 lbf.

The phenolic cage maintains ball alignment, ensuring smooth operation at speeds up to 21,000 rpm.
With a P4A tolerance class, it delivers exceptional accuracy for demanding industrial tasks.

Designed for matched arrangement (DB), 7020 ACD/HCP4ADBB Bearing offers consistent performance in paired setups.
Its light preload (Class B) minimises vibration, making it ideal for precision machinery.

The open seal design allows easy lubrication, extending service life in temperatures from -30°C to 110°C.
Weighing just 2.09 kg, it balances durability with lightweight efficiency.

Application

Industrial Uses of 7020 ACD/HCP4ADBB Bearing
In high-speed machine tools, 7020 ACD/HCP4ADBB Bearing excels due to its ceramic balls and phenolic cage, which reduce friction and heat buildup. The 25° contact angle ensures stable performance under angular loads.

Automotive vs Aerospace: Applications of 7020 ACD/HCP4ADBB Bearing
For automotive gearboxes, 7020 ACD/HCP4ADBB Bearing offers smooth operation, while in aerospace systems, its P4A tolerance class meets strict precision requirements. The matched arrangement enhances load distribution.

How Does 7020 ACD/HCP4ADBB Bearing Improve Performance?
With its light preload and ceramic balls, 7020 ACD/HCP4ADBB Bearing minimises vibration in precision equipment like CNC spindles. The open design allows for easy lubrication, extending service life.

Perfect Fit for Automation: 7020 ACD/HCP4ADBB Bearing
In robotic arms, 7020 ACD/HCP4ADBB Bearing’s high-speed capability and angular contact design ensure accurate movement. The chrome steel rings provide durability in continuous operation.

Medical vs Industrial: Where 7020 ACD/HCP4ADBB Bearing Excels
For medical imaging devices, 7020 ACD/HCP4ADBB Bearing’s low friction is ideal, while in industrial pumps, its dynamic radial load capacity handles heavy-duty cycles reliably.

Q&A

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