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Super Precision Angular Contact Ball Bearings 71903 FE/HCP4AH

Super Precision Angular Contact Ball Bearings 71903 FE/HCP4AH

The 71903 FE/HCP4AH is a super precision angular contact ball bearing with a compact size of 17mm by 30mm by 7mm. Made from chrome steel and ceramic balls, it offers smooth operation and durability.

It handles radial loads up to 747 lbf and can spin at speeds up to 121,000 RPM, making it suitable for high-speed applications. The 18° contact angle ensures efficient load distribution.

Its open design and phenolic cage allow for easy maintenance and long service life. The bearing comes preloaded and matched, ensuring consistent performance in paired setups.

Ideal for precision machinery like spindles or dental tools, it operates in temperatures from -30°C to 110°C. Weighing just 0.014kg, it’s lightweight yet robust for its size.

This model is interchangeable with SKF bearings, providing a reliable replacement option. Compliant with P4A tolerance class, it delivers exceptional accuracy for demanding applications.

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Product Parameters

  • Part Number 71903 FE/HCP4AH
  • 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 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 13
  • Contact Angle 18°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • 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 747 lbf
  • Static Radial Load 338 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 121000 rpm
  • Weight 0.014 kg
Super Precision Angular Contact Ball Bearings 71903 FE/HCP4AH dimension drawing
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Features

Why Choose 71903 FE/HCP4AH Bearing for Precision Tasks?

71903 FE/HCP4AH Bearing features a precise 18° contact angle, ideal for high-accuracy applications.
Its ceramic balls and chrome steel rings ensure smooth operation with minimal friction.

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

Preloaded and matched arrangements are available for tailored performance needs.
Its compact 17 mm×30 mm×7 mm size makes it suitable for space-constrained installations.

Application

Key Fields for 71903 FE/HCP4AH Bearing
71903 FE/HCP4AH Bearing is commonly 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, 71903 FE/HCP4AH Bearing supports articulated arms, providing stability during rapid movements. Its phenolic cage offers lightweight durability, which is essential for repetitive tasks.

For medical imaging devices, 71903 FE/HCP4AH Bearing’s P4A tolerance class guarantees consistent performance in sensitive equipment. The open seal design allows for easy lubrication, extending its lifespan in critical applications.

Automotive enthusiasts appreciate 71903 FE/HCP4AH Bearing in performance gearboxes, where its high-speed capability enhances shifting precision. The matched arrangement option further improves load distribution for demanding drives.

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