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Metric Size Standard Miniature Ball Bearings S684zz
Metric Size Standard Miniature Ball Bearings S684zz

Metric Size Standard Miniature Ball Bearings S684zz

The S684zz is a compact miniature ball bearing with a 4mm bore and 9mm outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 110 lbf and spins smoothly at speeds up to 47,700 RPM.

Its shielded design keeps dust out while maintaining easy lubrication access. The stainless steel cage and balls ensure corrosion resistance, making it suitable for humid environments.

With a lightweight design at just 1g, it’s ideal for small applications like model motors or precision instruments. The bearing operates reliably in temperatures from -30°C to 110°C.

Compliant with RoHS and REACH standards, it’s a safe choice for various industries. Its ABEC1 tolerance ensures consistent performance without being overly sensitive to alignment.

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Product Parameters

  • Part Number S684zz
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 4 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 9 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 4 mm
  • Width Tolerance -0.12mm to 0
  • Ball Qty 7
  • Ball Dia 1.5880 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Seal Type Shielded
  • 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 300 Series Stainless Steel
  • Dynamic Radial Load 110 lbf
  • Static Radial Load 37 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 47700 rpm
  • Weight 1 g
  • Price($) 1.242

Features

How Does S684zz Bearing Reduce Friction?

S684zz Bearing features stainless steel rings and balls, ensuring smooth operation with minimal friction.
Its shielded design protects against contaminants while maintaining low resistance during rotation.
The ABEC1 tolerance class guarantees consistent performance, ideal for precision applications.
With a maximum speed of 47,700 rpm, it delivers reliable efficiency in compact spaces.

Built for Reliability: S684zz Bearing

S684zz Bearing is crafted with stainless steel components, offering excellent corrosion resistance.
The MC3 radial clearance ensures optimal performance under varying load conditions.
Its lightweight design at just 1g makes it suitable for miniature applications.
The shielded seals enhance durability by preventing dust and debris ingress.

Why Choose S684zz Bearing for Precision Tasks?

S684zz Bearing’s single-row construction provides stable radial load support up to 110 lbf.
The 7-ball configuration ensures even weight distribution, reducing wear over time.
Its temperature range of -30° to 110°C allows versatile use in different environments.
The stainless steel cage maintains alignment, contributing to long-term reliability.

Application

Common Applications of S684zz Bearing
S684zz Bearing is widely used in small electric motors, such as those found in cooling fans or power tools, where its compact size and shielded design keep dust out. The stainless steel construction ensures it handles everyday wear without rusting.

In automation systems, S684zz Bearing provides smooth rotation for components like robotic arms or conveyor guides. Its ABEC1 tolerance offers reliable performance for light to moderate loads in repetitive tasks.

For medical devices like dental handpieces, S684zz Bearing’s precision and low noise are ideal. The shielded seals help maintain cleanliness, which is critical in sterile environments.

Around the home, you might find S684zz Bearing in appliances like blenders or printers. Its lightweight design and durability make it a cost-effective choice for manufacturers.

The high-speed capability of S684zz Bearing also suits hobbyist projects, such as drone motors or RC car wheels. The metric sizing makes it easy to replace in European-designed equipment.

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