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Super Precision Angular Contact Ball Bearings 7020 CDGA/P4A

Super Precision Angular Contact Ball Bearings 7020 CDGA/P4A

The 7020 CDGA/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 is designed for angular contact loads, handling up to 18720 lbf dynamically.

Its open design and phenolic cage ensure smooth operation at speeds up to 20,000 RPM, while the extra light preload (Class A) enhances precision. The bearing performs reliably in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes lubricated for immediate use. Ideal for high-precision applications like machine tool spindles or robotics, where accuracy and speed are crucial.

Weighing 1.26kg, it’s robust yet manageable for its size. The bearing can be paired in back-to-back, face-to-face, or tandem arrangements for versatile setups. Compliant with P4A tolerance standards for exceptional performance.

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Product Parameters

  • Part Number 7020 CDGA/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 15.875 mm
  • Ball Qty 22
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 18720 lbf
  • Static Radial Load 19125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 20000 rpm
  • Weight 1.26 kg
  • Price（$） 222.894
Super Precision Angular Contact Ball Bearings 7020 CDGA/P4A dimension drawing
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Features

Performance Features of 7020 CDGA/P4A Bearing

7020 CDGA/P4A Bearing is designed with a 15° contact angle, optimising performance for angular contact loads.
Its chrome steel rings and balls ensure durability and resistance to wear under high-speed conditions.

The phenolic cage in 7020 CDGA/P4A Bearing maintains ball alignment, reducing friction and noise.
With a maximum speed of 20,000 rpm, it delivers reliable operation in precision applications.

7020 CDGA/P4A Bearing’s extra light preload enhances smoothness and accuracy.
Its dynamic radial load capacity of 18,720 lbf makes it suitable for demanding industrial uses.

The open design of 7020 CDGA/P4A Bearing allows for easy lubrication and maintenance.
It operates efficiently within a temperature range of -30°C to 110°C, ensuring versatility.

7020 CDGA/P4A Bearing’s P4A tolerance class guarantees high precision and consistent performance.
Its universal matching capability enables flexible configurations for various setups.

Application

Industrial Uses of 7020 CDGA/P4A Bearing
7020 CDGA/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

What Makes 7020 CDGA/P4A Bearing a Preferred Choice?
In automotive applications, 7020 CDGA/P4A Bearing supports components like wheel hubs and transmissions, thanks to its extra-light preload and durability. The open design allows for easy lubrication, extending service life.

Perfect Fit for Automation: 7020 CDGA/P4A Bearing
For robotic arms and automated systems, 7020 CDGA/P4A Bearing provides smooth movement with minimal vibration. Its chrome steel construction ensures reliability in continuous operation.

Medical vs Industrial: Where 7020 CDGA/P4A Bearing Excels
In medical imaging devices, 7020 CDGA/P4A Bearing offers quiet and precise performance. Meanwhile, in industrial settings, it handles heavy radial loads with ease, making it versatile across sectors.

Light-Duty vs Heavy-Duty: Best Uses for 7020 CDGA/P4A Bearing
For light-duty applications like small electric motors, 7020 CDGA/P4A Bearing ensures efficient performance. In heavy-duty scenarios, such as large pumps, its high dynamic load capacity stands out.

Q&A

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