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Super Precision Angular Contact Ball Bearings 71902 CDGC/P4A

Super Precision Angular Contact Ball Bearings 71902 CDGC/P4A

The 71902 CDGC/P4A is a super precision angular contact ball bearing with a compact size of 15mm by 28mm by 7mm, crafted from durable chrome steel. It features a 15° contact angle and is designed for moderate preload (Class C), making it suitable for high-speed applications.

With a dynamic radial load capacity of 893 lbf, it spins smoothly at speeds up to 230,000 RPM. The open design allows for easy lubrication, while the phenolic cage ensures quiet operation and long service life.

This bearing is interchangeable with SKF models and comes in a universal matching set for flexible arrangements (back-to-back, face-to-face, or tandem). Ideal for precision machinery like spindles or high-speed tools where accuracy is key.

Weighing just 0.015kg, it’s lightweight yet robust, operating reliably in temperatures from -30°C to 110°C. Its P4A tolerance class ensures exceptional precision for demanding applications.

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Product Parameters

  • Part Number 71902 CDGC/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 15 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 28 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 13
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 893 lbf
  • Static Radial Load 428 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 230000 rpm
  • Weight 0.015 kg
Super Precision Angular Contact Ball Bearings 71902 CDGC/P4A dimension drawing
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Features

Why Choose 71902 CDGC/P4A Bearing for Precision Tasks?

71902 CDGC/P4A Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 893 lbf, it performs reliably in high-speed applications.
The P4A tolerance class guarantees consistent accuracy, making it suitable for demanding tasks.

71902 CDGC/P4A Bearing supports speeds up to 230,000 rpm, balancing performance and longevity.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face configurations.

The open design simplifies lubrication, ensuring optimal performance across a temperature range of -30°C to 110°C.
This bearing is a practical choice for applications requiring high precision and reliability.

Application

Key Fields for 71902 CDGC/P4A Bearing
71902 CDGC/P4A Bearing is commonly used in high-speed machine tools, where its moderate preload ensures smooth rotation and precise positioning. The open design allows for efficient lubrication, extending its lifespan in demanding industrial settings.

In robotics, 71902 CDGC/P4A Bearing supports articulated arms, providing stability during rapid movements. Its phenolic cage reduces friction, making it ideal for applications requiring quiet operation and minimal maintenance.

For medical imaging devices, 71902 CDGC/P4A Bearing’s chrome steel construction offers reliable performance under continuous use. The P4A tolerance class ensures the accuracy needed for sensitive diagnostic equipment.

In automotive applications, 71902 CDGC/P4A Bearing is found in electric motor systems, where its angular contact design handles combined loads effectively. The metric sizing makes it compatible with a variety of European and Asian vehicle components.

For consumer electronics like high-end printers, 71902 CDGC/P4A Bearing’s compact size and high-speed capability ensure smooth paper feed mechanisms. Its lightweight design also contributes to energy efficiency in portable devices.

Q&A

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