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Super Precision Angular Contact Ball Bearings 7020 CD/HCP4ADBB

Super Precision Angular Contact Ball Bearings 7020 CD/HCP4ADBB

The 7020 CD/HCP4ADBB is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 30375 lbf and reaches speeds of 20000 RPM, thanks to its ceramic balls and phenolic cage. Its open design allows for easy lubrication and maintenance.

With a light preload (Class B) and P4A tolerance, it ensures smooth operation in demanding conditions. Ideal for high-speed applications like machine tool spindles or precision equipment.

Weighing 2.09kg, it operates reliably in temperatures from -30°C to 110°C. The matched pair setup (DB arrangement) provides stability for angular contact loads.

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Product Parameters

  • Part Number 7020 CD/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 15°
  • 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 30375 lbf
  • Static Radial Load 38250 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 20000 rpm
  • Weight 2.09 kg
Super Precision Angular Contact Ball Bearings 7020 CD/HCP4ADBB dimension drawing
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Features

Performance Features of 7020 CD/HCP4ADBB Bearing

7020 CD/HCP4ADBB Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls enhance durability and reduce friction for smoother operation.

The phenolic cage ensures stability at high speeds, supporting a maximum of 20,000 rpm.
With a dynamic radial load capacity of 30375 lbf, it performs reliably in demanding applications.

Preloaded and matched in a DB arrangement, 7020 CD/HCP4ADBB Bearing offers precise alignment and reduced vibration.
Its open design allows for easy lubrication, maintaining performance across a wide temperature range.

The P4A tolerance class ensures high precision, making it suitable for critical machinery.
Ceramic balls contribute to lower heat generation, extending the bearing’s service life.

Application

Key Fields for 7020 CD/HCP4ADBB Bearing
In machine tools, 7020 CD/HCP4ADBB Bearing excels with its angular contact design, ensuring high precision for spindle operations. The ceramic balls reduce friction, making it ideal for high-speed machining.

For aerospace applications, 7020 CD/HCP4ADBB Bearing’s light preload and matched arrangement provide stability in critical components like landing gear systems. Its phenolic cage offers excellent heat resistance.

In robotics, 7020 CD/HCP4ADBB Bearing supports articulated arms with smooth, precise movement. The P4A tolerance class ensures consistent performance in automated assembly lines.

Medical imaging devices benefit from 7020 CD/HCP4ADBB Bearing’s low vibration and high rigidity. The chrome steel rings and ceramic balls enhance durability in sensitive equipment.

For electric motors, 7020 CD/HCP4ADBB Bearing’s high-speed capability and angular contact design improve efficiency. The lubricated construction ensures long service life in demanding conditions.

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