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Super Precision Angular Contact Ball Bearings 71904 CDGB/P4A

Super Precision Angular Contact Ball Bearings 71904 CDGB/P4A

The 71904 CDGB/P4A is a super precision angular contact ball bearing with a compact size of 20mm by 37mm by 9mm, crafted from durable chrome steel. It features a 15° contact angle and is designed for light preload applications.

This bearing handles radial loads up to 1361 lbf and can spin at speeds up to 100,000 RPM, making it suitable for high-speed operations. Its phenolic cage ensures smooth performance and reduces friction.

The open design allows for easy lubrication, while the P4A tolerance class guarantees precise alignment. It works well in temperatures ranging from -30°C to 110°C.

Ideal for precision machinery like spindles or CNC equipment, this bearing can be paired in back-to-back, face-to-face, or tandem arrangements. Weighing just 0.035kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number 71904 CDGB/P4A
  • 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 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 15
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1361 lbf
  • Static Radial Load 720 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100000 rpm
  • Weight 0.035 kg
Super Precision Angular Contact Ball Bearings 71904 CDGB/P4A dimension drawing
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Features

How Does 71904 CDGB/P4A Bearing Achieve Super Precision?

71904 CDGB/P4A Bearing features a 15° contact angle, ensuring precise angular contact performance.
Its chrome steel rings and balls provide durability and consistent operation under radial loads.

With a dynamic radial load capacity of 1361 lbf, it handles demanding applications with ease.
The phenolic cage maintains ball alignment, reducing friction and enhancing longevity.

71904 CDGB/P4A Bearing operates at speeds up to 100,000 rpm, making it ideal for high-speed machinery.
Its P4A tolerance class guarantees exceptional accuracy and smooth performance.

The open design allows for easy lubrication, ensuring optimal performance in various conditions.
Its lightweight construction at 0.035 kg makes it suitable for precision instruments.

Application

Common Applications of 71904 CDGB/P4A Bearing
71904 CDGB/P4A Bearing is widely used in high-speed machine tools, where its precision and light preload ensure smooth spindle operation. The open design and phenolic cage make it suitable for applications requiring minimal friction and heat generation.

In robotics, 71904 CDGB/P4A Bearing supports articulated arms, providing reliable angular contact performance for precise movements. Its chrome steel construction offers durability in continuous operation environments.

For medical imaging devices, 71904 CDGB/P4A Bearing’s P4A tolerance class ensures the accuracy needed for diagnostic equipment. The lubricated design helps maintain consistent performance over long periods.

Automotive applications like electric motor systems benefit from 71904 CDGB/P4A Bearing’s high-speed capabilities. Its metric sizing and universal matching options make it versatile for various vehicle designs.

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