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Super Precision Angular Contact Ball Bearings 71904 CE/P4ADBA

Super Precision Angular Contact Ball Bearings 71904 CE/P4ADBA

The 71904 CE/P4ADBA is a super precision angular contact ball bearing measuring 20mm by 37mm by 18mm, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 1784 lbf and spins smoothly at speeds up to 100,000 RPM. Its extra light preload ensures minimal friction, making it ideal for high-speed applications.

The open design allows for easy lubrication, while the phenolic cage provides quiet operation. It operates reliably in temperatures from -30°C to 110°C.

Perfect for precision machinery like spindles or CNC tools, this bearing offers excellent accuracy. Weighing just 0.072kg, it’s lightweight yet robust for its size.

It’s interchangeable with SKF bearings, simplifying replacements. The P4A tolerance class ensures top-tier performance for demanding tasks.

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Product Parameters

  • Part Number 71904 CE/P4ADBA
  • 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 <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • 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
Super Precision Angular Contact Ball Bearings 71904 CE/P4ADBA dimension drawing
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Features

How Does 71904 CE/P4ADBA Bearing Achieve Super Precision?

71904 CE/P4ADBA Bearing features a 15° contact angle, optimised for high-speed angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 1784 lbf, it handles demanding tasks efficiently.
The P4A tolerance class guarantees exceptional precision, making it ideal for critical machinery.

Lubricated for smooth operation, it supports speeds up to 100,000 rpm.
Its matched arrangement of two bearings ensures stability and balanced performance.

Application

Key Fields for 71904 CE/P4ADBA Bearing
71904 CE/P4ADBA Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability, making it ideal for grinding and milling applications.

In robotics, 71904 CE/P4ADBA Bearing supports articulated arms, offering smooth movement and low friction. Its phenolic cage reduces weight, enhancing efficiency in automated systems.

For aerospace components, 71904 CE/P4ADBA Bearing handles radial and axial loads in navigation systems. The P4A tolerance class guarantees consistent performance under demanding conditions.

Medical imaging devices benefit from 71904 CE/P4ADBA Bearing’s quiet operation and reliability. The chrome steel construction ensures longevity in critical healthcare equipment.

Q&A

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