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Super Precision Angular Contact Ball Bearings 7020 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 7020 ACDGA/P4A

The 7020 ACDGA/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 25° contact angle and is designed for angular contact loads, handling up to 17842 lbf dynamically.

With a maximum speed of 16000 RPM, this bearing operates smoothly in temperatures ranging from -30°C to 110°C. Its open design and phenolic cage ensure durability and easy maintenance.

The bearing comes preloaded for extra light performance, making it ideal for high-precision applications. It can be used in matched sets for back-to-back, face-to-face, or tandem arrangements.

Weighing 1.26kg, it’s suitable for machinery requiring precise radial and axial load handling, such as spindles or CNC equipment. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 7020 ACDGA/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 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • 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 17842 lbf
  • Static Radial Load 18000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 1.26 kg
  • Price（$） 274.77
Super Precision Angular Contact Ball Bearings 7020 ACDGA/P4A dimension drawing
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Features

Performance Features of 7020 ACDGA/P4A Bearing

7020 ACDGA/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel construction ensures durability and resistance to wear under high radial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 16,000 rpm, it delivers reliable performance in high-speed scenarios.

7020 ACDGA/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures precision and minimal energy loss during use.

The open design allows for easy lubrication, extending the bearing’s service life.
Its P4A tolerance class guarantees high precision and consistent performance.

Application

Industrial Uses of 7020 ACDGA/P4A Bearing
The 7020 ACDGA/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate performance under radial and axial loads. Its open seal type allows for efficient lubrication, making it suitable for continuous operation.

In automotive applications, 7020 ACDGA/P4A Bearing supports components like wheel hubs and transmissions, where its extra light preload enhances smoothness. The chrome steel construction also provides durability in demanding conditions.

For automation systems, 7020 ACDGA/P4A Bearing is ideal for robotic arms and CNC machines, thanks to its high-speed capability and phenolic cage. The P4A tolerance class ensures consistent precision in repetitive tasks.

Medical imaging devices benefit from 7020 ACDGA/P4A Bearing’s reliable performance, where its low friction and temperature stability are crucial. The matched arrangement option further simplifies installation in complex equipment.

In consumer electronics, 7020 ACDGA/P4A Bearing can be found in high-end printers and scanners, where its quiet operation and long lifespan are valued. The metric sizing ensures compatibility with various international designs.

Q&A

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