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Super Precision Angular Contact Ball Bearings 7020 CEGB/P4A

Super Precision Angular Contact Ball Bearings 7020 CEGB/P4A

The 7020 CEGB/P4A is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, crafted from high-quality chrome steel. Its compact 24mm width makes it suitable for space-conscious applications.

Designed for angular contact loads, it handles dynamic radial loads up to 10102 lbf and spins smoothly at speeds up to 20,000 RPM. The phenolic cage ensures quiet operation and durability.

With a 15° contact angle and light preload, it offers precise performance in demanding setups. The open design allows for easy lubrication and maintenance.

Ideal for high-speed machinery like spindles or CNC equipment, where precision is key. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

Weighing 1.26kg, it’s robust yet manageable for its size. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 7020 CEGB/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 Light / Class B
  • 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
Super Precision Angular Contact Ball Bearings 7020 CEGB/P4A dimension drawing
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Features

Performance Features of 7020 CEGB/P4A Bearing

7020 CEGB/P4A Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.

Its chrome steel construction ensures durability and resistance to wear in high-speed applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.

With a maximum speed of 20,000 rpm, it delivers reliable performance in precision tasks.

How Does 7020 CEGB/P4A Bearing Reduce Friction?

7020 CEGB/P4A Bearing’s precision-ground raceways and high-quality chrome steel balls minimise friction during operation.

The phenolic cage design ensures smooth ball movement, further reducing energy loss.

Its light preload (Class B) optimises performance while maintaining low friction levels.

This makes it suitable for applications where efficiency and precision are crucial.

Engineered for Precision: 7020 CEGB/P4A Bearing

7020 CEGB/P4A Bearing meets P4A tolerance standards, ensuring exceptional accuracy in demanding applications.

Its universal matching capability allows for back-to-back, face-to-face, or tandem arrangements as needed.

The bearing’s dynamic radial load capacity of 10,102 lbf provides reliable performance under stress.

With 27 precision balls, it maintains consistent operation even at high speeds.

Steel vs Ceramic Bearings: Strengths of 7020 CEGB/P4A Bearing

7020 CEGB/P4A Bearing uses chrome steel for both rings and balls, offering excellent strength-to-weight ratio.

This material choice provides good resistance to wear while maintaining affordability compared to ceramic options.

The steel construction performs well across a wide temperature range (-30°C to 110°C).

Its 1.26kg weight balances durability with manageable size for precision applications.

Why Choose 7020 CEGB/P4A Bearing for Precision Tasks?

7020 CEGB/P4A Bearing’s tight tolerances (P4A class) ensure minimal vibration in sensitive equipment.

The open design allows for proper lubrication distribution, crucial for maintaining precision over time.

With 27 balls of 12.7mm diameter, it provides stable load distribution during operation.

Its interchangeable design with SKF bearings offers flexibility in maintenance and replacement.

Application

How Does 7020 CEGB/P4A Bearing Improve Performance?
In precision machine tools, 7020 CEGB/P4A Bearing handles high-speed spindle rotations with minimal vibration, thanks to its P4A tolerance class. The 15° contact angle ensures stable radial and axial load distribution.

Where Is 7020 CEGB/P4A Bearing Used?
Automotive testing equipment relies on 7020 CEGB/P4A Bearing for accurate angular contact support in dynamometers. Its phenolic cage reduces friction, extending service life in continuous operation.

Built for Heavy-Duty Use: 7020 CEGB/P4A Bearing
Industrial pumps benefit from 7020 CEGB/P4A Bearing’s chrome steel construction, which withstands corrosive fluids. The open design allows for easy relubrication during maintenance cycles.

Medical vs Industrial: Where 7020 CEGB/P4A Bearing Excels
While medical scanners use 7020 CEGB/P4A Bearing for quiet operation, CNC machines leverage its 20,000 rpm capability. Both applications value its consistent performance under varying temperatures.

Essential Roles of 7020 CEGB/P4A Bearing
Robotic arms in automation lines use 7020 CEGB/P4A Bearing for precise angular positioning. The light preload ensures smooth movement without unnecessary stiffness in articulated joints.

Q&A

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