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Super Precision Angular Contact Ball Bearings 71903 ACD/HCP4ADT

Super Precision Angular Contact Ball Bearings 71903 ACD/HCP4ADT

The 71903 ACD/HCP4ADT is a super precision angular contact ball bearing, measuring 17mm by 30mm by 14mm. Made from chrome steel with ceramic balls, it offers high performance and durability.

With a 25° contact angle, it handles both radial and axial loads efficiently, supporting up to 1462 lbf dynamically. It spins smoothly at speeds up to 103,000 RPM, making it ideal for high-speed applications.

The phenolic cage ensures quiet operation, while the open design allows for easy lubrication. Preloaded and matched in pairs, it provides excellent stability for precise machinery.

Suitable for use in temperatures from -30°C to 110°C, this bearing is perfect for CNC spindles or high-precision tools. Compliant with P4A tolerance standards, it ensures reliable performance.

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Product Parameters

  • Part Number 71903 ACD/HCP4ADT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 17 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 30 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 14
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1462 lbf
  • Static Radial Load 900 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 103000 rpm
  • Weight 0.03 kg
Super Precision Angular Contact Ball Bearings 71903 ACD/HCP4ADT dimension drawing
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Features

Why Choose 71903 ACD/HCP4ADT Bearing for Precision Tasks?

71903 ACD/HCP4ADT Bearing features a 25° contact angle, ideal for high-precision angular contact applications.
The ceramic balls and chrome steel rings ensure smooth operation and reduced friction.

With a dynamic radial load capacity of 1462 lbf, it handles demanding tasks efficiently.
Its phenolic cage keeps the balls aligned, enhancing durability and performance.

The bearing’s P4A tolerance class guarantees exceptional accuracy for precision instruments.
It operates at speeds up to 103,000 rpm, making it suitable for high-speed applications.

71903 ACD/HCP4ADT Bearing comes pre-lubricated, reducing maintenance needs.
Its matched arrangement of two bearings ensures balanced load distribution.

Application

Industrial Uses of 71903 ACD/HCP4ADT Bearing
71903 ACD/HCP4ADT Bearing is commonly used in high-speed machine tools, where its angular contact design ensures precise radial and axial load handling. The ceramic balls reduce friction, making it ideal for applications requiring smooth, efficient operation.

What Makes 71903 ACD/HCP4ADT Bearing a Preferred Choice?
In robotics, 71903 ACD/HCP4ADT Bearing supports articulated arms, providing stability and accuracy in repetitive movements. Its phenolic cage offers lightweight durability, perfect for dynamic automation environments.

Optimized for Performance: 71903 ACD/HCP4ADT Bearing
For medical imaging devices, 71903 ACD/HCP4ADT Bearing’s P4A tolerance class ensures minimal vibration and noise. The chrome steel rings and ceramic balls deliver reliable performance in sensitive diagnostic equipment.

Automotive vs Aerospace: Applications of 71903 ACD/HCP4ADT Bearing
In automotive transmissions, 71903 ACD/HCP4ADT Bearing handles high-speed rotations with ease, while in aerospace, its lightweight construction suits compact, precision-driven systems. The matched arrangement enhances load distribution in both fields.

Q&A

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