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Metric Size Miniature Flanged Ball Bearings F681x

Metric Size Miniature Flanged Ball Bearings F681x

The F681x is a small radial ball bearing with a 1.5mm bore and 4mm outer diameter, crafted from chrome steel for durability. It supports radial loads up to 21 lbf and can spin at an impressive 100,000 RPM.

Its open design requires lubrication but allows for easy maintenance, while the stainless steel cage ensures smooth operation. The bearing operates efficiently in temperatures from -30°C to 110°C.

With a compact width of just 1.2mm and a flange for added stability, it’s perfect for tight spaces. Ideal for precision devices like small motors or medical instruments where high speed and reliability are key.

Weighing only 0.12g, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a safe choice for various applications.

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Product Parameters

  • Part Number F681x
  • Brand TFL
  • System of Measurement Metric
  • Bearing Type Ball
  • Bore Dia 1.5 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 4 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 1.2 mm
  • Width Tolerance -0.12mm to 0
  • Flange Outer Dia 5 mm
  • Flange Thickness 0.4 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Ball Qty 7
  • Ball Dia 0.6000 mm
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Seal Type Open
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 21 lbf
  • Static Radial Load 6 lbf
  • Max Speed 100000 rpm
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.12 g
  • Price（$） 16.5
Metric Size Miniature Flanged Ball Bearings F681x dimension drawing
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Features

How Does F681x Bearing Achieve High-Speed Performance?

F681x Bearing is designed with chrome steel rings and balls, ensuring smooth operation at speeds up to 100,000 rpm.
The stainless steel cage maintains precise ball alignment, reducing friction and wear.

Its compact size with a 1.5 mm bore makes it ideal for small, high-speed applications.
The ABEC1 tolerance class ensures reliable performance in precision instruments.

F681x Bearing operates efficiently within a temperature range of -30° to 110°C.
Regular lubrication helps maintain its performance and extends service life.

Application

Common Applications of F681x Bearing
F681x Bearing is widely used in small electric motors, such as those found in cooling fans and miniature pumps. Its compact size and high-speed capability make it ideal for tight spaces where smooth rotation is needed.

In consumer electronics, F681x Bearing ensures reliable performance in devices like handheld fans and precision instruments. The chrome steel construction provides durability, while the open design allows for easy lubrication.

For medical devices, F681x Bearing is often found in delicate equipment like dental tools and surgical instruments. Its low friction and high-speed tolerance help maintain precision in critical applications.

Automation systems benefit from F681x Bearing in components like small robotic arms and 3D printer parts. The lightweight design and stainless steel cage ensure long-lasting performance in repetitive motions.

Q&A

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