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Super Precision Angular Contact Ball Bearings 7003 ACD/HCP4ADGA

Super Precision Angular Contact Ball Bearings 7003 ACD/HCP4ADGA

The 7003 ACD/HCP4ADGA is a super precision angular contact ball bearing with a 17mm bore and 35mm outer diameter, crafted from chrome steel for durability. It features a 25° contact angle and ceramic balls for smooth operation at high speeds, up to 115,000 RPM.

Its open design and phenolic cage ensure low friction and easy maintenance, while the extra light preload enhances precision. The bearing handles radial loads up to 2385 lbf and operates in temperatures from -30°C to 110°C.

This model is part of a matched set of two bearings, suitable for universal mounting in back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tool spindles or dental equipment.

Weighing just 0.066kg, it’s lightweight yet robust, and complies with P4A tolerance class for exceptional accuracy. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7003 ACD/HCP4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 17 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 35 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 12
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2385 lbf
  • Static Radial Load 1395 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 115000 rpm
  • Weight 0.066 kg
Super Precision Angular Contact Ball Bearings 7003 ACD/HCP4ADGA dimension drawing
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Features

Performance Features of 7003 ACD/HCP4ADGA Bearing

7003 ACD/HCP4ADGA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation at high speeds, up to 115,000 rpm.

The phenolic cage provides excellent heat resistance and reduces friction, enhancing efficiency.
With universal matching capability, it offers flexibility in back-to-back, face-to-face, or tandem arrangements.

7003 ACD/HCP4ADGA Bearing’s P4A tolerance class ensures precision performance in demanding conditions.
Its extra light preload design minimises vibration, making it ideal for high-precision machinery.

The open seal type allows for easy lubrication, maintaining optimal performance over time.
Weighing just 0.066 kg, it combines lightweight design with robust load capacity.

Application

How Does 7003 ACD/HCP4ADGA Bearing Improve Performance?
7003 ACD/HCP4ADGA Bearing is widely used in high-speed machine tools, where its ceramic balls reduce friction and heat buildup. The 25° contact angle ensures stable performance under combined radial and axial loads.

In robotics, 7003 ACD/HCP4ADGA Bearing provides precise motion control for articulated arms, thanks to its P4A tolerance class. The phenolic cage offers quiet operation, ideal for sensitive automated environments.

For dental drills and surgical tools, 7003 ACD/HCP4ADGA Bearing’s lubricated design maintains smooth rotation at up to 115,000 rpm. Its universal matching feature allows flexible mounting in compact medical devices.

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