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Super Precision Angular Contact Ball Bearings 7020 CD/P4ADBA

Super Precision Angular Contact Ball Bearings 7020 CD/P4ADBA

The 7020 CD/P4ADBA is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 30375 lbf and operates smoothly at speeds up to 20000 RPM.

Its 15° contact angle and matched arrangement (2 bearings DB) provide excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. Ideal for machine tools or spindle drives where precision and reliability are key.

Weighing 2.53kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, making it a top choice for demanding industrial uses.

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Product Parameters

  • Part Number 7020 CD/P4ADBA
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • 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 2.53 kg
Super Precision Angular Contact Ball Bearings 7020 CD/P4ADBA dimension drawing
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Features

Performance Features of 7020 CD/P4ADBA Bearing

7020 CD/P4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

The chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 30375 lbf.

With a maximum speed of 20,000 rpm, it ensures smooth operation in high-speed scenarios.

The phenolic cage maintains ball alignment, reducing friction and extending service life.

Why Choose 7020 CD/P4ADBA Bearing for Precision Tasks?

7020 CD/P4ADBA Bearing offers extra light preload (Class A), ensuring precise performance in demanding applications.

Its P4A tolerance class guarantees high accuracy, making it suitable for precision machinery.

The matched arrangement of two bearings (DB) enhances stability and load distribution.

Lubrication is pre-applied, reducing initial setup time and maintenance needs.

Engineered for High-Speed Applications: 7020 CD/P4ADBA Bearing

7020 CD/P4ADBA Bearing handles speeds up to 20,000 rpm without compromising performance.

The phenolic cage minimises friction, ensuring smooth operation even at high velocities.

Its chrome steel construction resists wear, maintaining precision over extended use.

The open seal design allows for easy lubrication access, enhancing longevity.

How Does 7020 CD/P4ADBA Bearing Resist Wear?

7020 CD/P4ADBA Bearing uses chrome steel for both rings and balls, providing excellent wear resistance.

The phenolic cage reduces metal-to-metal contact, further minimising wear and tear.

With a static radial load capacity of 38250 lbf, it maintains reliability under heavy loads.

Its precision engineering ensures consistent performance, even in demanding conditions.

Chrome Steel vs Stainless Steel: Reliability of 7020 CD/P4ADBA Bearing

7020 CD/P4ADBA Bearing’s chrome steel construction offers superior hardness and fatigue resistance.

The material choice ensures long-term reliability, especially in high-load and high-speed applications.

Phenolic cages complement the chrome steel components, reducing friction and heat generation.

This combination results in a bearing that performs consistently across a wide temperature range (-30°C to 110°C).

Application

Key Fields for 7020 CD/P4ADBA Bearing
In precision machine tools, 7020 CD/P4ADBA Bearing excels due to its angular contact design, ensuring smooth rotation under high radial loads. The matched arrangement of two bearings enhances stability, making it ideal for spindle applications.

Where Is 7020 CD/P4ADBA Bearing Used?
You’ll often find 7020 CD/P4ADBA Bearing in high-speed spindles for CNC machines, where its extra light preload reduces friction. The phenolic cage also helps maintain performance at elevated speeds.

Built for Heavy-Duty Use: 7020 CD/P4ADBA Bearing
7020 CD/P4ADBA Bearing handles demanding conditions in industrial gearboxes, thanks to its chrome steel construction. Its P4A tolerance class ensures consistent accuracy even under heavy loads.

Automotive vs Aerospace: Applications of 7020 CD/P4ADBA Bearing
In automotive systems, 7020 CD/P4ADBA Bearing supports high-performance transmissions, while in aerospace, it’s trusted for precision actuator mechanisms. The 15° contact angle balances load distribution in both fields.

Perfect Fit for Automation: 7020 CD/P4ADBA Bearing
7020 CD/P4ADBA Bearing is a go-to choice for robotic arms, where its low friction and high-speed capability improve efficiency. The lubricated design ensures long service life in continuous operation.

Q&A

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