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Super Precision Angular Contact Ball Bearings 7020 CEGA/P4A

Super Precision Angular Contact Ball Bearings 7020 CEGA/P4A

The 7020 CEGA/P4A is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes pre-lubricated for smooth operation.

This bearing handles radial loads up to 10102 lbf and spins at speeds up to 20,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability and reduces friction.

With an extra-light preload (Class A) and P4A tolerance, it offers exceptional accuracy for demanding setups. The open design allows for easy maintenance and custom lubrication.

Ideal for machine tools or spindle systems, it can be arranged back-to-back, face-to-face, or tandem. Weighing 1.26kg, it’s robust yet manageable for precision engineering tasks.

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Product Parameters

  • Part Number 7020 CEGA/P4A
  • 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 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 27
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 10102 lbf
  • Static Radial Load 9000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 20000 rpm
  • Weight 1.26 kg
  • Price（$） 263.214
Super Precision Angular Contact Ball Bearings 7020 CEGA/P4A dimension drawing
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Features

Performance Features of 7020 CEGA/P4A Bearing

7020 CEGA/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and consistent performance under high radial loads.

The phenolic cage in 7020 CEGA/P4A Bearing reduces friction and noise, making it suitable for precision tasks.
With a maximum speed of 20,000 rpm, it maintains smooth operation even at high speeds.

7020 CEGA/P4A Bearing’s extra light preload enhances precision, ideal for applications requiring minimal deflection.
Its open design allows for easy lubrication, ensuring long-term reliability.

The P4A tolerance class of 7020 CEGA/P4A Bearing guarantees high accuracy, meeting strict industry standards.
It can handle dynamic radial loads up to 10102 lbf, making it robust for demanding conditions.

7020 CEGA/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its universal matching capability allows flexible arrangement options like back-to-back or face-to-face configurations.

Application

Industrial Uses of 7020 CEGA/P4A Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The extra-light preload also minimises friction during high-speed operations.

Where Is 7020 CEGA/P4A Bearing Used?
You’ll often find it in automotive applications like electric motor systems, where its 15° contact angle handles combined radial and axial loads efficiently. The phenolic cage adds durability in variable temperature conditions.

Built for Heavy-Duty Use: 7020 CEGA/P4A Bearing
It’s a reliable choice for industrial robots, particularly in articulated arms requiring smooth motion control. The P4A tolerance class guarantees consistent performance in demanding automation environments.

Medical vs Industrial: Where 7020 CEGA/P4A Bearing Excels
In medical imaging devices, its chrome steel construction ensures stability during precise movements. Meanwhile, in industrial pumps, the lubricated design extends service life under continuous operation.

Perfect Fit for Automation: 7020 CEGA/P4A Bearing
This model works well in CNC machinery, where its tandem arrangement supports multi-directional loads. The open seal design simplifies relubrication during routine maintenance checks.

Q&A

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