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Super Precision Angular Contact Ball Bearings 71904 CE/P4ADT
Super Precision Angular Contact Ball Bearings 71904 CE/P4ADT

Super Precision Angular Contact Ball Bearings 71904 CE/P4ADT

The 71904 CE/P4ADT is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes in a matched set of two bearings for balanced performance.

This model handles radial loads up to 1784 lbf and can reach speeds of 100,000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and durability under stress.

The open design allows for easy lubrication, while the P4A tolerance class guarantees precise performance. Ideal for use in machine tools or precision instruments where accuracy is key.

Weighing just 0.072kg, it’s lightweight yet robust. It operates efficiently in temperatures from -30°C to 110°C, ensuring reliability in various conditions. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71904 CE/P4ADT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 14
  • Contact Angle 15°
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1784 lbf
  • Static Radial Load 1069 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100000 rpm
  • Weight 0.072 kg

Features

Performance Features of 71904 CE/P4ADT Bearing

71904 CE/P4ADT 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 and noise.

The matched arrangement of two bearings enhances stability and precision in high-speed operations.
With a maximum speed of 100,000 rpm, it delivers reliable performance in demanding conditions.

71904 CE/P4ADT Bearing’s P4A tolerance class guarantees exceptional accuracy for precision tasks.
Its dynamic radial load capacity of 1784 lbf ensures long-lasting performance under stress.

Application

Industrial Uses of 71904 CE/P4ADT Bearing
71904 CE/P4ADT Bearing is commonly used in high-speed machine spindles, where its angular contact design ensures precise radial and axial load handling. The phenolic cage material reduces friction, making it suitable for continuous operation.

In automotive applications, 71904 CE/P4ADT Bearing supports components like turbochargers and transmission systems, where its high-speed capability and durability are key. The matched arrangement of two bearings enhances stability under demanding conditions.

For automation equipment, 71904 CE/P4ADT Bearing is ideal for robotic arms and CNC machines, thanks to its P4A tolerance class for accuracy. The open seal type allows for easy lubrication, extending service life in repetitive motion scenarios.

Where Is 71904 CE/P4ADT Bearing Used?
You’ll find 71904 CE/P4ADT Bearing in precision medical devices like dental drills, where its low vibration and high-speed performance are critical. The chrome steel construction ensures reliability in sterile environments.

In consumer electronics, 71904 CE/P4ADT Bearing is often used in high-end printers and scanners, where smooth operation is essential. Its compact size and lightweight design make it a practical choice for space-constrained applications.

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