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Super Precision Angular Contact Ball Bearings 71903 CE/P4ADBB

Super Precision Angular Contact Ball Bearings 71903 CE/P4ADBB

The 71903 CE/P4ADBB is a super precision angular contact ball bearing with a compact size of 17mm by 30mm by 14mm. Made from chrome steel, it offers a 15° contact angle and comes in a matched pair for balanced performance.

It handles radial loads up to 1244 lbf and spins smoothly at high speeds, reaching up to 80,000 RPM. The phenolic cage ensures durability while keeping the bearing lightweight at just 0.032kg.

Its open design allows for easy lubrication, and the P4A tolerance class ensures precise operation. The matched arrangement (DB) provides stability for demanding applications.

Ideal for high-speed machinery like spindles or precision tools, this bearing works in temperatures from -30°C to 110°C. It’s interchangeable with SKF bearings, making replacements straightforward.

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Product Parameters

  • Part Number 71903 CE/P4ADBB
  • 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 13
  • Contact Angle 15°
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1244 lbf
  • Static Radial Load 686 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 80000 rpm
  • Weight 0.032 kg
Super Precision Angular Contact Ball Bearings 71903 CE/P4ADBB dimension drawing
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Features

Why Choose 71903 CE/P4ADBB Bearing for Precision Tasks?

71903 CE/P4ADBB Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

The matched arrangement of two bearings provides stability, making it suitable for high-speed applications up to 80,000 rpm.
With a P4A tolerance class, it delivers consistent performance in demanding environments.

Light preload class B enhances accuracy, ensuring reliable operation in precision instruments.
The open design allows for easy lubrication, maintaining optimal performance over time.

Application

Key Fields for 71903 CE/P4ADBB Bearing
71903 CE/P4ADBB Bearing is widely used in machine tools, where its super precision and light preload ensure smooth operation. The matched arrangement of two bearings provides excellent stability for high-speed spindles.

In robotics, 71903 CE/P4ADBB Bearing supports precise movements in articulated arms and joints. Its angular contact design handles both radial and axial loads efficiently, making it ideal for automation.

For medical imaging devices, 71903 CE/P4ADBB Bearing’s phenolic cage reduces friction and noise. The P4A tolerance class guarantees the accuracy needed for sensitive diagnostic equipment.

Automotive applications like electric power steering benefit from 71903 CE/P4ADBB Bearing’s high-speed capability. The chrome steel construction ensures durability under continuous use.

In 3D printers, 71903 CE/P4ADBB Bearing’s low friction and precision contribute to consistent print quality. The open design allows for easy lubrication, extending its service life.

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