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Metric Size Standard Miniature Ball Bearings S688 2rs

Metric Size Standard Miniature Ball Bearings S688 2rs

The S688 2RS is a compact metric ball bearing measuring 8mm by 16mm by 5mm, crafted entirely from stainless steel for durability. It handles radial loads up to 216 lbf and spins smoothly at speeds up to 32,400 RPM.

Its sealed design with nitrile rubber shields keeps dirt out and grease in, making it low-maintenance. The bearing comes pre-lubricated and operates well in temperatures from -30°C to 110°C.

With 10 stainless steel balls and ABEC1 precision, it offers reliable performance in small spaces. Ideal for miniature applications like small motors, dental tools, or precision instruments where space is limited.

Weighing just 4.05 grams, it’s lightweight yet robust. Compliant with RoHS and REACH standards for safe use in various industries.

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Product Parameters

  • Part Number S688 2rs
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 8 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 16 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 5 mm
  • Width Tolerance -0.12mm to 0
  • Ball Qty 10
  • Ball Dia 2.0000 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Seal Type Sealed
  • 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
  • Shield Material Nitrile Rubber
  • Dynamic Radial Load 216 lbf
  • Static Radial Load 96 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 32400 rpm
  • Weight 4.05 g
  • Price（$） 1.242
Metric Size Standard Miniature Ball Bearings S688 2rs dimension drawing
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Features

Why Choose S688 2rs Bearing for Precision Tasks?

S688 2rs Bearing features a sealed design with stainless steel rings and balls, ensuring smooth radial load handling.
Its ABEC1 tolerance class provides consistent performance, suitable for precision applications.

The dynamic radial load capacity of 216 lbf makes S688 2rs Bearing reliable for small yet demanding tasks.
With a maximum speed of 32,400 rpm, it balances high-speed operation and durability.

Stainless steel construction resists corrosion, extending S688 2rs Bearing’s service life in various environments.
The nitrile rubber seals protect against dust and moisture, reducing maintenance needs.

Application

Common Applications of S688 2rs Bearing
S688 2rs Bearing is a great fit for small electric motors, thanks to its compact 8x16x5 mm size and sealed design. The stainless steel construction ensures it handles everyday wear well, even in dusty environments.

In automation systems, S688 2rs Bearing works smoothly in robotic joints and conveyor rollers. Its ABEC1 tolerance offers reliable performance without needing frequent adjustments.

For home appliances like food processors, S688 2rs Bearing’s nitrile rubber seals keep out grease and moisture. The lightweight design (just 4.05g) helps maintain energy efficiency in these devices.

Medical devices benefit from S688 2rs Bearing’s quiet operation and corrosion-resistant materials. It’s often used in dental handpieces where precision and hygiene matter most.

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