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Super Precision Angular Contact Ball Bearings 71909 CE/HCDGAVQ126

Super Precision Angular Contact Ball Bearings 71909 CE/HCDGAVQ126

The 71909 is a super precision angular contact ball bearing, measuring 45mm by 68mm by 24mm, crafted from chrome steel and ceramic balls for durability. It handles radial loads up to 3780 lbf and spins smoothly at speeds up to 41,000 RPM.
Its 15° contact angle and phenolic cage ensure stable performance, while the extra light preload reduces friction. The bearing operates in temperatures from -30°C to 110°C.
Designed for universal matching, it works in back-to-back, face-to-face, or tandem arrangements. Ideal for high-speed applications like machine tool spindles or precision equipment.
Weighing 0.23kg, it’s lightweight yet robust, and comes lubricated for easy installation. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number 71909 CE/HCDGAVQ126
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3780 lbf
  • Static Radial Load 3082 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.23 kg
Super Precision Angular Contact Ball Bearings 71909 CE/HCDGAVQ126 dimension drawing
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Features

Performance Features of 71909 CE/HCDGAVQ126 Bearing

71909 CE/HCDGAVQ126 Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls reduce friction, enhancing efficiency in high-speed applications.

The phenolic cage ensures smooth operation, even at speeds up to 41,000 rpm.
Universal matching allows flexible arrangement options, including back-to-back or face-to-face configurations.

With a dynamic radial load capacity of 3780 lbf, it delivers reliable performance in precision tasks.
The extra light preload (Class A) minimises vibration, making it suitable for sensitive equipment.

Operating temperatures range from -30°C to 110°C, ensuring versatility across various environments.
Its P4A tolerance class guarantees consistent precision in demanding industrial applications.

Application

How Does 71909 CE/HCDGAVQ126 Bearing Improve Performance?
In industrial settings, 71909 CE/HCDGAVQ126 Bearing is commonly used in high-speed spindles and machine tools, where its precision angular contact design ensures accurate rotation. The ceramic balls reduce friction, enhancing efficiency in demanding applications.

For automotive applications, 71909 CE/HCDGAVQ126 Bearing supports components like turbochargers and transmission systems, providing reliable performance under angular loads. Its universal matching feature allows flexible installation in various configurations.

In medical imaging devices, 71909 CE/HCDGAVQ126 Bearing’s phenolic cage and chrome steel rings offer durability and smooth operation. The extra-light preload ensures minimal vibration, critical for sensitive equipment.

Automation systems benefit from 71909 CE/HCDGAVQ126 Bearing’s high-speed capability, making it suitable for robotic arms and CNC machinery. The open seal design allows for easy lubrication, extending service life.

For consumer electronics, 71909 CE/HCDGAVQ126 Bearing’s compact size and precision make it ideal for high-performance printers and small motors. The temperature range ensures stability in various operating conditions.

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