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Super Precision Angular Contact Ball Bearings 71903 CD/P4ADBC

Super Precision Angular Contact Ball Bearings 71903 CD/P4ADBC

The 71903 CD/P4ADBC is a super precision angular contact ball bearing with a compact size of 17mm by 30mm by 14mm, made from high-quality chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 1521 lbf and can reach speeds of 121,000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and durability under moderate preload conditions.

The open design allows for easy lubrication, while the P4A tolerance class guarantees precision. It operates efficiently in temperatures ranging from -30°C to 110°C.

Ideal for precision machinery like spindles or CNC tools, this bearing is interchangeable with SKF models. Weighing just 0.034kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number 71903 CD/P4ADBC
  • 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 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1521 lbf
  • Static Radial Load 934 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 121000 rpm
  • Weight 0.034 kg
Super Precision Angular Contact Ball Bearings 71903 CD/P4ADBC dimension drawing
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Features

Performance Features of 71903 CD/P4ADBC Bearing

71903 CD/P4ADBC Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

The bearing’s dynamic radial load capacity of 1521 lbf makes it suitable for high-performance tasks.
With a maximum speed of 121,000 rpm, it delivers efficiency without compromising precision.

71903 CD/P4ADBC Bearing operates in temperatures from -30°C to 110°C, maintaining reliability in varied conditions.
Its matched arrangement of two bearings provides balanced performance for demanding applications.

Application

Common Applications of 71903 CD/P4ADBC Bearing
71903 CD/P4ADBC Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle performance. The moderate preload helps maintain stability during high-speed operations.

In robotics, 71903 CD/P4ADBC Bearing supports articulated arms, providing smooth motion and durability. Its phenolic cage reduces friction, making it ideal for repetitive tasks.

For medical imaging devices, 71903 CD/P4ADBC Bearing’s chrome steel construction offers reliable performance under consistent loads. The open design allows for easy lubrication, extending service life.

Automotive applications like electric power steering benefit from 71903 CD/P4ADBC Bearing’s balanced load handling. The matched arrangement ensures consistent performance in compact spaces.

In 3D printers, 71903 CD/P4ADBC Bearing’s precision enhances print quality by reducing vibration. Its high-speed capability makes it suitable for detailed, rapid prototyping.

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