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Metric Size Standard Miniature Ball Bearings S689
Metric Size Standard Miniature Ball Bearings S689

Metric Size Standard Miniature Ball Bearings S689

The S689 is a compact miniature ball bearing with a 9mm bore and 17mm outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 228 lbf and spins smoothly at speeds up to 32,400 RPM.

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

With a lightweight design at just 3.41g, it’s ideal for small applications like precision instruments or hobbyist projects. Compliant with RoHS and REACH standards, it’s a safe and practical choice for various uses.

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Product Parameters

  • Part Number S689
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 9 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 17 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 4 mm
  • Width Tolerance -0.12mm to 0
  • Ball Qty 11
  • Ball Dia 2.0000 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 Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 228 lbf
  • Static Radial Load 108 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 32400 rpm
  • Weight 3.41 g
  • Price($) 1.242

Features

How Does S689 Bearing Reduce Friction?

S689 Bearing features a single-row design with stainless steel rings and balls, ensuring smooth radial movement.
Its precision construction minimises friction, making it ideal for high-speed applications up to 32,400 rpm.

The open seal type allows for easy lubrication, maintaining optimal performance over time.
With 11 balls evenly spaced, S689 Bearing distributes loads effectively, reducing wear.

S689 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its lightweight design at just 3.41g makes it suitable for compact and precision devices.

Application

Where Is S689 Bearing Used?
S689 Bearing is commonly used in small industrial equipment like precision instruments and miniature motors, where its compact size and radial load capacity are ideal. The stainless steel construction ensures durability in various environments.

In automotive applications, S689 Bearing fits well in components such as electric window mechanisms and small gearboxes. Its lightweight design and high-speed capability make it a reliable choice for these systems.

For medical devices, S689 Bearing’s precision and smooth operation are beneficial in tools like dental drills and diagnostic equipment. The open seal design allows for easy lubrication, maintaining performance over time.

In consumer electronics, S689 Bearing can be found in devices like computer fans and small printers. Its low noise and efficient operation enhance the user experience in everyday gadgets.

Automation systems also benefit from S689 Bearing, particularly in robotic arms and 3D printers. The ABEC1 tolerance ensures consistent performance in precise movements.

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