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Super Precision Angular Contact Ball Bearings 7203 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings 7203 ACDGA/HCP4A

The 7203 ACDGA/HCP4A is a super precision angular contact ball bearing with a compact size of 17mm by 40mm by 12mm, crafted from high-quality chrome steel and ceramic balls. It handles radial loads up to 1989 lbf and reaches speeds of 103,000 RPM, making it suitable for high-performance applications.

Its 25° contact angle and extra-light preload ensure smooth operation with minimal friction. The phenolic cage adds durability while keeping the weight low at just 0.054kg.

This bearing operates efficiently in temperatures from -30°C to 110°C and comes pre-lubricated for immediate use. It’s part of a universal matching set, allowing flexible arrangements like back-to-back or face-to-face configurations.

Ideal for precision machinery, CNC spindles, or high-speed tools where accuracy and reliability are key. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7203 ACDGA/HCP4A
  • 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 12 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 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1989 lbf
  • Static Radial Load 900 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 103000 rpm
  • Weight 0.054 kg
Super Precision Angular Contact Ball Bearings 7203 ACDGA/HCP4A dimension drawing
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Features

Performance Features of 7203 ACDGA/HCP4A Bearing

7203 ACDGA/HCP4A Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls ensure smooth operation and reduced friction.

The phenolic cage maintains ball alignment, enhancing durability and performance.
With a maximum speed of 103,000 rpm, it excels in high-speed applications.

The extra light preload (Class A) ensures precision and minimal vibration.
Its P4A tolerance class guarantees high accuracy for demanding tasks.

Application

Industrial Uses of 7203 ACDGA/HCP4A Bearing
7203 ACDGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise alignment, crucial for maintaining accuracy in CNC operations.

What Makes 7203 ACDGA/HCP4A Bearing a Preferred Choice?
In robotics, 7203 ACDGA/HCP4A Bearing excels in articulated arms due to its angular contact design, handling combined radial and axial loads smoothly. The extra-light preload minimises vibration, enhancing movement precision.

Perfect Fit for Automation: 7203 ACDGA/HCP4A Bearing
7203 ACDGA/HCP4A Bearing is ideal for 3D printers, where its high-speed capability and low heat generation improve print quality. The open seal design allows for easy relubrication, extending service life in continuous-use scenarios.

Automotive vs Aerospace: Applications of 7203 ACDGA/HCP4A Bearing
In automotive systems, 7203 ACDGA/HCP4A Bearing supports electric motor shafts, benefiting from its ceramic balls’ resistance to electrical arcing. For aerospace, its lightweight construction and P4A tolerance meet stringent performance requirements.

Q&A

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