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Metric Size Standard Miniature Ball Bearings 679

Metric Size Standard Miniature Ball Bearings 679

The 679 is a compact miniature ball bearing with a 9mm bore and 14mm outer diameter, measuring just 3mm wide. Made from chrome steel, it’s lightweight at 1.35g yet handles radial loads up to 176 lbf.

With an open design, it spins smoothly at speeds up to 36,000 RPM, making it great for high-speed applications. The stainless steel cage ensures durability, while the ABEC1 tolerance offers reliable precision.

Its small size and radial load capacity make it ideal for devices like small motors or precision instruments. The bearing operates in temperatures from -30°C to 110°C and requires regular lubrication.

Compliant with RoHS and REACH standards, it’s a practical choice for both industrial and hobbyist uses. The simple design allows for easy maintenance and replacement.

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Product Parameters

  • Part Number 679
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 9 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 14 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 3 mm
  • Width Tolerance -0.12mm to 0
  • Ball Qty 12
  • Ball Dia 1.5880 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Seal Type Open
  • System of Measurement Metric
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 176 lbf
  • Static Radial Load 84 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 36000 rpm
  • Weight 1.35 g
  • Price（$） 1.035
Metric Size Standard Miniature Ball Bearings 679 dimension drawing
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Features

Why Choose 679 Bearing for Precision Tasks?

679 Bearing is precision-engineered with chrome steel rings and balls, ensuring smooth radial load handling.
Its dynamic radial load capacity of 176 lbf makes it suitable for precise, high-speed applications.

The stainless steel cage maintains ball alignment, reducing friction and wear during operation.
With a maximum speed of 36,000 rpm, it delivers reliable performance in compact spaces.

679 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its ABEC1 tolerance and MC3 radial clearance ensure consistent precision in motion control.

Application

Common Applications of 679 Bearing
The 679 Bearing is widely used in small electric motors, such as those found in household appliances and power tools. Its compact size and radial load capacity make it a reliable choice for these everyday devices.

In automation systems, 679 Bearing fits well in lightweight robotic arms and precision-guided mechanisms. The open design allows for easy lubrication, ensuring smooth movement over time.

For medical devices like dental handpieces, 679 Bearing offers consistent performance due to its chrome steel construction. The ABEC1 tolerance ensures adequate precision for most clinical applications.

You’ll also find 679 Bearing in consumer electronics, particularly in cooling fans for laptops and gaming consoles. Its low weight and high-speed capability help maintain quiet, efficient operation.

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