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Metric Size Miniature Flanged Ball Bearings MF84zz

Metric Size Miniature Flanged Ball Bearings MF84zz

The MF84zz is a small shielded ball bearing with a 4mm bore and 8mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 76 lbf and spins smoothly at speeds up to 56,000 RPM.

Its stainless steel shields protect against dust while maintaining easy lubrication access. The lightweight design weighs just 0.64g, making it ideal for compact applications.

With a standard ABEC1 tolerance, this bearing offers reliable performance in temperatures from -30°C to 110°C. Perfect for small motors or precision instruments where space is limited.

The flange design helps with secure mounting, while the stainless steel cage ensures long service life. Compliant with RoHS and REACH standards for safe use in various industries.

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Product Parameters

  • Part Number MF84zz
  • Brand TFL
  • System of Measurement Metric
  • Bearing Type Ball
  • Bore Dia 4 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 8 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 3 mm
  • Width Tolerance -0.12mm to 0
  • Flange Outer Dia 9.2 mm
  • Flange Thickness 0.6 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Ball Qty 7
  • Ball Dia 1.2000 mm
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Seal Type Shielded
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 76 lbf
  • Static Radial Load 25 lbf
  • Max Speed 56000 rpm
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.64 g
  • Shield Material 300 Series Stainless Steel
  • Price（$） 1.35
Metric Size Miniature Flanged Ball Bearings MF84zz dimension drawing
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Features

How Does MF84zz Bearing Reduce Friction?

MF84zz Bearing features chrome steel rings and balls, ensuring smooth operation with minimal friction.
Its shielded design protects against contaminants while maintaining low resistance during rotation.

The stainless steel cage keeps the seven balls precisely aligned, reducing wear and improving efficiency.
With a maximum speed of 56,000 rpm, MF84zz Bearing delivers reliable performance in high-speed applications.

Its compact size and lightweight design make it ideal for precision instruments and small machinery.
The radial clearance of 0.002mm to 0.013mm ensures optimal performance under varying load conditions.

Application

Common Applications of MF84zz Bearing
MF84zz Bearing is widely used in small electric motors, such as those found in cooling fans and power tools, due to its compact size and reliable performance. The shielded design helps keep contaminants out while maintaining smooth rotation.

In consumer electronics, MF84zz Bearing is a go-to choice for devices like printers and handheld gadgets where space is limited. Its high-speed capability ensures efficient operation without compromising on durability.

For automation systems, MF84zz Bearing fits well in miniature robotic arms and precision instruments. The chrome steel construction provides the necessary strength for consistent performance in repetitive tasks.

Medical devices like dental tools and lab equipment also benefit from MF84zz Bearing’s precision. The stainless steel cage and shields make it suitable for environments requiring cleanliness and reliability.

Q&A

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