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Super Precision Angular Contact Ball Bearings 7003 ACD/HCP4ADBD
Super Precision Angular Contact Ball Bearings 7003 ACD/HCP4ADBD

Super Precision Angular Contact Ball Bearings 7003 ACD/HCP4ADBD

The 7003 ACD/HCP4ADBD is a super precision angular contact ball bearing with a 17mm bore and 35mm outer diameter, designed for high-performance applications. Its 25° contact angle and heavy preload ensure stable operation under angular loads.

Made from chrome steel rings and ceramic balls, it handles radial loads up to 2385 lbf and spins at speeds up to 115,000 RPM. The phenolic cage adds durability while keeping the weight light at just 0.066kg.

This matched set of two bearings (DB arrangement) offers precise alignment and smooth rotation. Ideal for machine tools or high-speed spindles where accuracy is key.

It operates in temperatures from -30°C to 110°C and comes pre-lubricated for easy installation. Interchangeable with SKF bearings, making it a practical choice for replacements.

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Product Parameters

  • Part Number 7003 ACD/HCP4ADBD
  • 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Heavy / Class D
  • 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

Features

Performance Features of 7003 ACD/HCP4ADBD Bearing

7003 ACD/HCP4ADBD Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 115,000 rpm.
This bearing set comes preloaded for heavy-duty performance, offering reliable precision in demanding conditions.

With a dynamic radial load capacity of 2385 lbf, it handles rigorous applications effortlessly.
The open design allows for easy lubrication, maintaining optimal performance over time.

Application

Common Applications of 7003 ACD/HCP4ADBD Bearing
7003 ACD/HCP4ADBD Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In robotics, 7003 ACD/HCP4ADBD Bearing supports articulated arms, providing stability and load capacity for repetitive movements. The matched arrangement enhances performance in dynamic, multi-directional loading scenarios.

For medical imaging devices, 7003 ACD/HCP4ADBD Bearing’s phenolic cage and chrome steel rings offer durability and quiet operation. Its P4A tolerance class ensures consistent performance in sensitive diagnostic equipment.

Automotive applications like electric vehicle motors benefit from 7003 ACD/HCP4ADBD Bearing’s high-speed capability and heavy preload. The lubricated design extends service life even under continuous use.

In 3D printers, 7003 ACD/HCP4ADBD Bearing’s precision reduces vibration, improving print quality. The open seal design allows for easy maintenance in dusty environments.

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