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Super Precision Angular Contact Ball Bearings 7020 CD/HCP4AQBCA

Super Precision Angular Contact Ball Bearings 7020 CD/HCP4AQBCA

The 7020 CD/HCP4AQBCA is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, crafted from chrome steel and ceramic balls for durability. It handles radial loads up to 49725 lbf and reaches speeds of 20000 RPM, making it suitable for high-performance applications.

Its open design and phenolic cage ensure smooth operation, while the extra light preload (Class A) enhances precision. The bearing operates efficiently in temperatures from -30°C to 110°C.

This set includes four matched bearings arranged in a QBC configuration, ideal for applications requiring high accuracy like machine tool spindles or aerospace systems.

Weighing 4.18kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 7020 CD/HCP4AQBCA
  • 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 96 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 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • 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 49725 lbf
  • Static Radial Load 76500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 20000 rpm
  • Weight 4.18 kg
  • Price（$） 1619.154
Super Precision Angular Contact Ball Bearings 7020 CD/HCP4AQBCA dimension drawing
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Features

Engineered for Precision: 7020 CD/HCP4AQBCA Bearing

7020 CD/HCP4AQBCA Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and ceramic balls ensure smooth operation under dynamic radial loads up to 49,725 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 20,000 rpm, it excels in high-speed scenarios while maintaining stability.

Designed for extra light preload, 7020 CD/HCP4AQBCA Bearing offers consistent accuracy in matched arrangements.
Its open seal type allows for efficient lubrication, extending service life in varied temperatures.

Application

Industrial Uses of 7020 CD/HCP4AQBCA Bearing
The 7020 CD/HCP4AQBCA Bearing is well-suited for high-precision machine tools, where its angular contact design ensures accurate spindle rotation. Its ceramic balls reduce friction, making it ideal for high-speed operations.

Where Is 7020 CD/HCP4AQBCA Bearing Used?
You’ll often find 7020 CD/HCP4AQBCA Bearing in aerospace applications, such as helicopter gearboxes, where reliability and precision are critical. The phenolic cage adds durability in demanding environments.

Built for Heavy-Duty Use: 7020 CD/HCP4AQBCA Bearing
In robotics, 7020 CD/HCP4AQBCA Bearing supports articulated arms, providing smooth movement under angular loads. Its extra-light preload ensures minimal resistance during operation.

Automotive vs Aerospace: Applications of 7020 CD/HCP4AQBCA Bearing
While 7020 CD/HCP4AQBCA Bearing excels in automotive turbochargers for its high-speed capability, it’s equally effective in aircraft landing gear systems. The matched arrangement enhances load distribution.

Perfect Fit for Automation: 7020 CD/HCP4AQBCA Bearing
7020 CD/HCP4AQBCA Bearing is a reliable choice for CNC machines, where its P4A tolerance class guarantees precision. The chrome steel rings offer long-lasting performance in continuous use.

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