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Super Precision Angular Contact Ball Bearings 7020 CEGA/HCP4A

Super Precision Angular Contact Ball Bearings 7020 CEGA/HCP4A

The 7020 CEGA/HCP4A is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, crafted from high-quality chrome steel. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 10102 lbf.

With a maximum speed of 20,000 RPM and a temperature range of -30°C to 110°C, this bearing is built for demanding applications. The phenolic cage adds durability while keeping weight manageable at 1.12kg.

Designed for extra light preload (Class A), it offers excellent precision in P4A tolerance class. The open seal type allows for easy lubrication and maintenance.

Ideal for high-speed machinery like spindles or CNC equipment, this bearing can be arranged back-to-back, face-to-face, or tandem. Its universal matching capability makes it a versatile choice for precision engineering needs.

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Product Parameters

  • Part Number 7020 CEGA/HCP4A
  • 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 Ceramic
  • 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 1.12 kg
  • Price（$） 378.99
Super Precision Angular Contact Ball Bearings 7020 CEGA/HCP4A dimension drawing
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Features

Performance Features of 7020 CEGA/HCP4A Bearing

7020 CEGA/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction.

With a dynamic radial load capacity of 10102 lbf, it handles high-performance tasks efficiently.
Its phenolic cage ensures smooth operation, even at speeds up to 20,000 rpm.

The extra light preload (Class A) minimises vibration, making it suitable for precision machinery.
Its open design allows for easy lubrication, extending maintenance intervals.

Operating between -30°C to 110°C, 7020 CEGA/HCP4A Bearing performs reliably in varied conditions.
The P4A tolerance class ensures consistent accuracy in demanding applications.

Application

Common Applications of 7020 CEGA/HCP4A Bearing
7020 CEGA/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The 15° contact angle ensures smooth handling of combined radial and axial loads.

In robotics, 7020 CEGA/HCP4A Bearing provides precise motion control for articulated arms, thanks to its P4A tolerance class. The extra light preload makes it ideal for applications requiring minimal resistance.

For medical imaging devices, 7020 CEGA/HCP4A Bearing’s chrome steel rings offer durability, while the open design simplifies lubrication. Its temperature range suits both sterile environments and continuous operation.

Automotive testing rigs often rely on 7020 CEGA/HCP4A Bearing for its ability to handle high rotational speeds. The universal matching feature allows flexible arrangement in back-to-back or tandem configurations.

In aerospace components, 7020 CEGA/HCP4A Bearing’s lightweight phenolic cage and ceramic balls reduce overall weight. The metric dimensions ensure compatibility with European and Asian aircraft systems.

Q&A

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