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Metric Size Miniature Flanged Ball Bearings SF683

Metric Size Miniature Flanged Ball Bearings SF683

The SF683 is a compact radial ball bearing with a 3mm bore and 7mm outer diameter, crafted entirely from stainless steel for durability. It supports radial loads up to 54 lbf and spins at speeds up to 56,700 RPM, making it suitable for high-speed applications.

Its open design requires lubrication but allows for easy maintenance. The bearing features a small flange (8.1mm outer diameter) to help with secure mounting in tight spaces.

With a lightweight build at just 0.37g, it’s ideal for precision instruments or small devices like miniature motors. The temperature range of -30°C to 110°C ensures reliable performance in various environments.

Compliant with RoHS and REACH standards, this bearing offers a practical solution for applications needing smooth, high-speed rotation in confined areas.

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Product Parameters

  • Part Number SF683
  • Brand TFL
  • System of Measurement Metric
  • Bearing Type Ball
  • Bore Dia 3 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 7 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 2 mm
  • Width Tolerance -0.12mm to 0
  • Flange Outer Dia 8.1 mm
  • Flange Thickness 0.5 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Ball Qty 8
  • Ball Dia 1.0000 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 Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 54 lbf
  • Static Radial Load 18 lbf
  • Max Speed 56700 rpm
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.37 g
  • Price（$） 1.62
Metric Size Miniature Flanged Ball Bearings SF683 dimension drawing
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Features

Why Choose SF683 Bearing for Precision Tasks?

SF683 Bearing features a stainless steel construction, ensuring corrosion resistance and durability.
Its compact design with a 3 mm bore and 7 mm outer diameter makes it ideal for precision applications.

The open seal type allows for easy lubrication, maintaining smooth operation at high speeds.
With a maximum speed of 56,700 rpm, SF683 Bearing delivers reliable performance in demanding conditions.

The stainless steel cage keeps the balls aligned, reducing wear and extending service life.
Its dynamic radial load capacity of 54 lbf ensures stability under pressure.

Application

Common Applications of SF683 Bearing
SF683 Bearing is widely used in small electric motors, such as those found in cooling fans and handheld devices, thanks to its compact size and high-speed capability. The stainless steel construction ensures durability in everyday use.

In automation systems, SF683 Bearing supports precise movements in components like miniature robotic arms and 3D printer extruders. Its low radial clearance helps maintain accuracy during repetitive tasks.

For medical devices, SF683 Bearing’s smooth operation makes it suitable for delicate instruments like dental tools or lab equipment. The open design allows for easy cleaning and lubrication, which is essential in sterile environments.

Where Is SF683 Bearing Used?
You’ll often find SF683 Bearing in consumer electronics, such as miniature drones or portable gadgets, where space is limited but performance matters. Its lightweight design doesn’t compromise on reliability.

In industrial settings, SF683 Bearing works well in small conveyor systems or sensor mechanisms. The high rpm rating ensures it can handle continuous operation without overheating.

Perfect Fit for Automation: SF683 Bearing
SF683 Bearing is a go-to choice for small-scale automation, like CNC machine spindles or optical scanners. The stainless steel balls reduce friction, ensuring smooth and quiet operation.

Its flanged design also makes installation easier in tight spaces, which is handy for compact machinery. The ABEC1 tolerance provides a good balance of precision and affordability.

Medical vs Industrial: Where SF683 Bearing Excels
In medical applications, SF683 Bearing’s corrosion-resistant materials are ideal for devices like insulin pumps or surgical tools. The small size fits neatly into intricate mechanisms.

For industrial use, SF683 Bearing shines in equipment like textile machines or precision gauges. The high-speed capability keeps production lines running efficiently without frequent maintenance.

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