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Metric Size Miniature Flanged Ball Bearings F685

Metric Size Miniature Flanged Ball Bearings F685

The F685 is a small radial ball bearing with a 5mm bore and 11mm outer diameter, crafted from sturdy chrome steel. It supports radial loads up to 137 lbf and spins at speeds up to 45,000 RPM, making it suitable for high-speed applications.

With an open design and stainless steel cage, it offers easy maintenance and durability. The flange outer diameter of 12.5mm helps keep it securely in place during operation.

This bearing is ideal for small devices like electric motors or precision instruments where space is limited. It operates well in temperatures ranging from -30°C to 110°C.

Weighing just 1.33g, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a reliable choice for various industrial uses.

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Product Parameters

  • Part Number F685
  • Brand TFL
  • System of Measurement Metric
  • Bearing Type Ball
  • Bore Dia 5 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 11 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 3 mm
  • Width Tolerance -0.12mm to 0
  • Flange Outer Dia 12.5 mm
  • Flange Thickness 0.8 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Ball Qty 8
  • Ball Dia 1.5880 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 137 lbf
  • Static Radial Load 51 lbf
  • Max Speed 45000 rpm
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 1.33 g
  • Price（$） 1.35
Metric Size Miniature Flanged Ball Bearings F685 dimension drawing
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Features

How Does F685 Bearing Reduce Friction?

F685 Bearing features a precision-engineered single-row design with chrome steel rings and balls, ensuring smooth radial movement.
Its ABEC1 tolerance class and MC3 radial clearance (0.002mm to 0.013mm) minimise friction during high-speed operation.

The stainless steel cage maintains ball alignment, reducing wear and enhancing durability.
With a maximum speed of 45,000 rpm, F685 Bearing delivers reliable performance in compact applications.

Its open design simplifies lubrication, ensuring consistent operation across a temperature range of -30° to 110°C.
The lightweight construction (1.33g) makes it ideal for precision instruments requiring minimal friction.

Application

Common Applications of F685 Bearing
F685 Bearing is widely used in small electric motors, such as those found in cooling fans or power tools, thanks to its compact size and high-speed capability. The open design simplifies lubrication, ensuring smooth operation in everyday devices.

In automation systems, F685 Bearing fits well in lightweight robotic arms or 3D printers, where precision and low friction are key. Its chrome steel construction offers durability without adding unnecessary weight to delicate mechanisms.

For consumer electronics like printers or small appliances, F685 Bearing provides reliable performance in tight spaces. The ABEC1 tolerance ensures consistent movement, even during prolonged use.

Medical devices, such as handheld diagnostic tools, benefit from F685 Bearing’s quiet operation and resistance to wear. The stainless steel cage helps maintain hygiene standards in sensitive environments.

Q&A

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