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Super Precision Angular Contact Ball Bearings 7203 ACD/P4ADBA

Super Precision Angular Contact Ball Bearings 7203 ACD/P4ADBA

The 7203 ACD/P4ADBA is a super precision angular contact ball bearing with a 17mm bore and 40mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 3285 lbf and can spin at speeds up to 121,000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and durability.

The open design allows for easy lubrication, while the extra-light preload (Class A) ensures minimal friction. It operates efficiently in temperatures from -30°C to 110°C.

Ideal for precision machinery like spindles or CNC equipment, this bearing is interchangeable with SKF models. Weighing just 0.13kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number 7203 ACD/P4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 17 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 40 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 10
  • Contact Angle 25°
  • 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 3285 lbf
  • Static Radial Load 1800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 121000 rpm
  • Weight 0.13 kg
  • Price（$） 85.77
Super Precision Angular Contact Ball Bearings 7203 ACD/P4ADBA dimension drawing
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Features

Performance Features of 7203 ACD/P4ADBA Bearing

7203 ACD/P4ADBA Bearing is crafted with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability and consistent performance under stress.

The phenolic cage maintains ball alignment, reducing friction and enhancing speed capabilities.
With a maximum speed of 121,000 rpm, it excels in high-speed applications.

Precision-matched in a duplex arrangement, 7203 ACD/P4ADBA Bearing offers extra light preload for smooth operation.
This design minimises vibration, making it suitable for precision machinery.

Operating between -30°C to 110°C, 7203 ACD/P4ADBA Bearing performs reliably in varied conditions.
Its open seal type allows for easy lubrication, ensuring long service life.

Application

How Does 7203 ACD/P4ADBA Bearing Improve Performance?
7203 ACD/P4ADBA Bearing excels in high-speed machine tools, where its 25° contact angle ensures smooth rotation under radial and axial loads. The phenolic cage reduces friction, making it ideal for precision applications.

In robotics, 7203 ACD/P4ADBA Bearing supports articulated arms, providing stability and accuracy in repetitive movements. Its matched arrangement (DB) enhances rigidity, crucial for automated systems.

For medical imaging devices, 7203 ACD/P4ADBA Bearing’s P4A tolerance class guarantees minimal vibration, ensuring clear scans. The chrome steel construction also withstands frequent sterilisation cycles.

Automotive vs Aerospace: Applications of 7203 ACD/P4ADBA Bearing
In car transmissions, 7203 ACD/P4ADBA Bearing handles high RPMs with minimal heat buildup. Its extra-light preload (Class A) ensures quiet operation for passenger comfort.

Aerospace systems rely on 7203 ACD/P4ADBA Bearing for flight control mechanisms, where its reliability meets strict safety standards. The open design allows for custom lubrication in extreme conditions.

Q&A

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