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Metric Size Miniature Flanged Ball Bearings MF85

Metric Size Miniature Flanged Ball Bearings MF85

The MF85 is a compact radial ball bearing with a 5mm bore and 8mm outer diameter, crafted from sturdy chrome steel. It supports radial loads up to 59 lbf and spins at speeds up to 53,000 RPM, making it suitable for high-speed applications.

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

With a lightweight build of just 0.33g, it’s ideal for small devices like precision instruments or miniature motors. The flange design helps keep the bearing securely in place during operation.

Compliant with RoHS and REACH standards, this bearing is a reliable choice for both industrial and electronic uses. Its small size and high-speed capability make it perfect for tight spaces.

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Product Parameters

  • Part Number MF85
  • Brand TFL
  • System of Measurement Metric
  • Bearing Type Ball
  • Bore Dia 5 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 8 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 2 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 8
  • Ball Dia 1.0000 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 59 lbf
  • Static Radial Load 22 lbf
  • Max Speed 53000 rpm
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.33 g
  • Price（$） 1.35
Metric Size Miniature Flanged Ball Bearings MF85 dimension drawing
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Features

Performance Features of MF85 Bearing

MF85 Bearing is built with chrome steel rings and balls, offering reliable radial load support.
Its dynamic radial load capacity of 59 lbf ensures steady performance in high-speed applications.

The stainless steel cage maintains ball alignment, reducing friction and wear.
With a maximum speed of 53,000 rpm, it delivers smooth operation for precision tasks.

MF85 Bearing operates efficiently in temperatures from -30° to 110°C.
Its compact design and lightweight construction make it ideal for small-scale applications.

Application

Common Applications of MF85 Bearing
MF85 Bearing is widely used in small electric motors, particularly in devices like cooling fans and miniature pumps. Its compact size and high-speed capability make it suitable for applications where space is limited.

Where Is MF85 Bearing Used?
You’ll often find MF85 Bearing in precision instruments such as optical devices and small gauges. Its open design allows for easy lubrication, ensuring smooth operation over long periods.

Ideal for Precision: MF85 Bearing
MF85 Bearing works well in medical devices like dental tools and lab equipment, thanks to its reliable radial load handling. The chrome steel construction ensures durability even in demanding environments.

Automotive vs Aerospace: Applications of MF85 Bearing
In automotive applications, MF85 Bearing is used in small actuators and sensors, while in aerospace, it supports lightweight mechanisms. Its high-speed performance makes it versatile across industries.

Practical Applications of MF85 Bearing
MF85 Bearing is a great fit for consumer electronics, such as handheld gadgets and small printers. The stainless steel cage helps reduce wear, extending the bearing’s lifespan in everyday use.

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