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Metric Size Standard Miniature Ball Bearings SMR84 2rs
Metric Size Standard Miniature Ball Bearings SMR84 2rs

Metric Size Standard Miniature Ball Bearings SMR84 2rs

The SMR84 2rs is a compact miniature ball bearing with a 4mm bore and 8mm outer diameter, crafted entirely from stainless steel for durability. It supports radial loads up to 68 lbf and spins smoothly at speeds up to 50,400 RPM.

Its sealed design with nitrile rubber shields keeps out dust and moisture, making it low-maintenance. The stainless steel cage ensures quiet operation and long service life.

This bearing is ideal for small devices like drones, model cars, or precision instruments where space is limited. It operates reliably in temperatures from -30°C to 110°C.

Weighing just 0.39g, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a safe choice for various applications.

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Product Parameters

  • Part Number SMR84 2rs
  • Brand TFL
  • Interchangeable EZO
  • 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
  • Ball Qty 7
  • Ball Dia 1.2000 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 68 lbf
  • Static Radial Load 23 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 50400 rpm
  • Weight 0.39 g
  • Price($) 1.242

Features

Why Choose SMR84 2rs Bearing for Precision Tasks?

SMR84 2rs Bearing features a compact design with dimensions of 4 mm×8 mm×3 mm, ideal for precision applications.
Its sealed construction protects against contaminants, ensuring smooth operation in various environments.

The stainless steel rings and balls provide excellent corrosion resistance, extending the bearing’s lifespan.
With a dynamic radial load capacity of 68 lbf, it handles light to moderate loads efficiently.

SMR84 2rs Bearing operates at speeds up to 50,400 rpm, making it suitable for high-speed devices.
The nitrile rubber seals enhance durability while maintaining low friction during use.

Designed with ABEC1 tolerance, SMR84 2rs Bearing offers reliable performance in radial load applications.
Its lightweight construction at just 0.39 g ensures minimal impact on overall device weight.

Application

Where Is SMR84 2rs Bearing Used?
SMR84 2rs Bearing is commonly found in small electric motors, such as those used in cooling fans or power tools, where its compact size and sealed design keep dust and debris out. The stainless steel construction ensures it can handle daily wear without rusting.

In robotics, SMR84 2rs Bearing fits neatly into joints and pivots, providing smooth movement for lightweight arms or grippers. Its ABEC1 tolerance offers enough precision for hobbyist or educational robot projects.

For medical devices like handheld diagnostic tools, SMR84 2rs Bearing’s quiet operation and reliability make it a sensible choice. The nitrile rubber seals help maintain hygiene by preventing contamination.

Around the home, you might spot SMR84 2rs Bearing in printer rollers or small appliances, where its low maintenance design keeps things running quietly. The metric sizing makes replacements straightforward for European-made gadgets.

Q&A

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