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Metric Size Miniature Flanged Ball Bearings MF84 2rs

Metric Size Miniature Flanged Ball Bearings MF84 2rs

The MF84 2RS is a compact, sealed 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 sealed design keeps out dust and moisture, while the stainless steel cage ensures reliable performance. The nitrile rubber shields add extra protection, making it low-maintenance.

With a radial clearance of 0.002mm to 0.013mm, it offers smooth operation in small spaces. The flange design helps with easy mounting and alignment.

Ideal for small motors, precision instruments, or applications requiring high-speed rotation. Weighing just 0.47g, it’s lightweight yet robust for its size. Compliant with RoHS and REACH standards.

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Product Parameters

  • Part Number MF84 2rs
  • 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 Sealed
  • 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 0.47 g
  • Shield Material Nitrile Rubber
  • Price（$） 1.35
Metric Size Miniature Flanged Ball Bearings MF84 2rs dimension drawing
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Features

How Does MF84 2rs Bearing Reduce Friction?

MF84 2rs Bearing features a sealed design with nitrile rubber shields, keeping contaminants out and lubrication in.
Its chrome steel construction ensures smooth operation, even at high speeds up to 56,000 rpm.
The stainless steel cage maintains ball alignment, reducing friction and wear.
With a dynamic radial load capacity of 76 lbf, it delivers reliable performance in compact applications.

Application

Where Is MF84 2rs Bearing Used?
MF84 2rs Bearing is commonly found in small electric motors, such as those in handheld tools or miniature fans, thanks to its compact size and sealed design. The nitrile rubber seals help keep dust and debris out, ensuring smooth operation.

In automation systems, MF84 2rs Bearing supports delicate movements in devices like 3D printers or robotic arms. Its high-speed capability, up to 56,000 rpm, makes it suitable for precision tasks requiring quick adjustments.

For consumer electronics, MF84 2rs Bearing is a reliable choice in items like computer cooling fans or small appliances. The chrome steel construction provides durability, while the lightweight design keeps devices portable and efficient.

Q&A

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