+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71903 CD/P4ATBTC

Super Precision Angular Contact Ball Bearings 71903 CD/P4ATBTC

The 71903 CD/P4ATBTC is a super precision angular contact ball bearing with a compact size of 17mm by 30mm by 21mm, crafted from high-quality chrome steel. It features a 15° contact angle and comes in a set of three matched bearings for balanced performance.

This bearing handles radial loads up to 2034 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 precise performance. It operates efficiently in temperatures ranging from -30°C to 110°C.

Ideal for precision machinery like spindles or CNC equipment, this bearing set offers reliable performance. Weighing just 0.051kg, it’s lightweight yet robust for its size. Interchangeable with SKF bearings, it’s a practical choice for replacements.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 71903 CD/P4ATBTC
  • 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 21 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • 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 2034 lbf
  • Static Radial Load 1418 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 121000 rpm
  • Weight 0.051 kg
Super Precision Angular Contact Ball Bearings 71903 CD/P4ATBTC dimension drawing
Download DWG Download PDF

Features

How Does 71903 CD/P4ATBTC Bearing Ensure Precision in High-Speed Applications?

71903 CD/P4ATBTC Bearing features a 15° contact angle, optimising load distribution for high-speed operations.
Its chrome steel rings and balls provide durability, while the phenolic cage reduces friction and noise.

With a maximum speed of 121,000 rpm, it excels in demanding precision tasks.
The matched arrangement of three bearings ensures stability and consistent performance.

Moderate preload (Class C) enhances rigidity, making it suitable for angular contact loads.
Its P4A tolerance class guarantees exceptional accuracy in critical applications.

Application

Industrial Uses of 71903 CD/P4ATBTC Bearing
71903 CD/P4ATBTC Bearing is commonly used in high-speed machine spindles, where its precision angular contact design ensures accurate rotation. The matched set of three bearings provides stability in demanding industrial environments.

In robotics, 71903 CD/P4ATBTC Bearing supports articulated arms, offering smooth movement and low friction. Its phenolic cage material helps reduce weight while maintaining durability.

For medical imaging devices, 71903 CD/P4ATBTC Bearing’s high-speed capability and moderate preload enhance performance. The chrome steel construction ensures long-lasting reliability in critical applications.

Automotive vs Aerospace: Applications of 71903 CD/P4ATBTC Bearing
In automotive systems, 71903 CD/P4ATBTC Bearing is ideal for gearbox components, where its angular contact design handles combined loads effectively. The metric sizing fits seamlessly into European and Asian vehicle designs.

For aerospace applications, 71903 CD/P4ATBTC Bearing’s high-speed tolerance and precision make it suitable for avionics and control systems. The lubricated design ensures consistent performance under varying temperatures.

Where Is 71903 CD/P4ATBTC Bearing Used?
71903 CD/P4ATBTC Bearing finds its place in 3D printers, ensuring precise linear motion for print heads. Its open seal type allows for easy maintenance in high-use scenarios.

In laboratory equipment, 71903 CD/P4ATBTC Bearing’s low friction and high-speed capability support accurate measurements. The P4A tolerance class guarantees the precision needed for sensitive instruments.

Q&A

SEND INQUIRY