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Super Precision Angular Contact Ball Bearings 71906 ACDGB/P4A

Super Precision Angular Contact Ball Bearings 71906 ACDGB/P4A

The 71906 ACDGB/P4A is a super precision angular contact ball bearing with a 30mm bore and 47mm outer diameter, designed for high-speed applications. Its 25° contact angle efficiently handles both radial and axial loads, with a dynamic radial load capacity of 1521 lbf.

Made from chrome steel with a phenolic cage, it offers smooth operation at speeds up to 100,500 RPM. The open design allows for easy lubrication, ensuring long service life even in demanding conditions.

This bearing is suitable for precision machinery like spindles or CNC equipment, where accuracy and speed are crucial. It operates well in temperatures from -30°C to 110°C, making it versatile for various industrial uses.

Weighing just 0.048kg, it’s lightweight yet robust. The P4A tolerance class ensures high precision, and it can be paired in back-to-back, face-to-face, or tandem arrangements for added flexibility.

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Product Parameters

  • Part Number 71906 ACDGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 30 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 20
  • Contact Angle 25°
  • 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 1521 lbf
  • Static Radial Load 968 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.048 kg
  • Price（$） 67.986
Super Precision Angular Contact Ball Bearings 71906 ACDGB/P4A dimension drawing
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Features

Performance Features of 71906 ACDGB/P4A Bearing

71906 ACDGB/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 1521 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 100,500 rpm.
Precision tolerances (P4A class) contribute to reliable performance in demanding conditions.

With a temperature range of -30°C to 110°C, 71906 ACDGB/P4A Bearing adapts to various environments.
Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

Light preload (Class B) reduces vibration, making it suitable for precision machinery.
The open design simplifies lubrication, ensuring consistent performance over time.

Application

Industrial Uses of 71906 ACDGB/P4A Bearing
71906 ACDGB/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The light preload and P4A tolerance class make it ideal for applications demanding minimal vibration.

In automotive applications, 71906 ACDGB/P4A Bearing supports components like electric motor shafts, offering reliable performance under angular loads. Its chrome steel construction provides durability in both high-speed and high-temperature environments.

For automation systems, 71906 ACDGB/P4A Bearing is a go-to choice for robotic arms, thanks to its low friction and smooth operation. The phenolic cage material helps reduce weight while maintaining stability during rapid movements.

What Makes 71906 ACDGB/P4A Bearing a Preferred Choice?
71906 ACDGB/P4A Bearing stands out in medical imaging equipment, where its precision and low noise are critical for clear diagnostics. The open design allows for easy lubrication, extending service life in continuous-use scenarios.

In consumer electronics, 71906 ACDGB/P4A Bearing can be found in high-end printers, ensuring quiet and precise paper handling. Its compact size and metric dimensions make it a versatile fit for various compact devices.

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