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Metric Size Standard Miniature Ball Bearings SMR84
Metric Size Standard Miniature Ball Bearings SMR84

Metric Size Standard Miniature Ball Bearings SMR84

The SMR84 is a compact miniature ball bearing, measuring just 4mm by 8mm by 2mm, crafted entirely from stainless steel for durability. It handles radial loads up to 68 lbf and spins smoothly at speeds up to 50,400 RPM.

Its open design allows for easy lubrication, while the stainless steel cage ensures reliable performance. With a radial clearance of 0.002mm to 0.013mm, it offers smooth operation in various conditions.

This bearing is ideal for small devices like precision instruments or miniature motors where space is limited. It works well in temperatures ranging from -30°C to 110°C.

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

The ABEC1 tolerance class ensures decent precision for general use. Its simple design makes it easy to install and maintain in small machinery.

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Product Parameters

  • Part Number SMR84
  • 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 2 mm
  • Width Tolerance -0.12mm to 0
  • Ball Qty 7
  • Ball Dia 1.2000 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Seal Type Open
  • 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
  • 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 Bearing for Precision Tasks?

SMR84 Bearing is crafted with stainless steel rings and balls, ensuring smooth operation in precision applications.
Its compact size of 4mm×8mm×2mm makes it ideal for miniature machinery where space is limited.

The ABEC1 tolerance class guarantees consistent performance, suitable for radial load requirements.
With a maximum speed of 50,400 rpm, it delivers reliable efficiency in high-speed environments.

Stainless steel construction provides corrosion resistance, extending the bearing’s lifespan.
The open design simplifies lubrication, maintaining optimal performance with minimal maintenance.

Application

Industrial Uses of SMR84 Bearing
SMR84 Bearing is commonly used in small industrial devices like precision instruments and miniature motors, where its compact size and radial load capacity are beneficial. The stainless steel construction ensures durability in various working conditions.

What Makes SMR84 Bearing a Preferred Choice?
In consumer electronics, SMR84 Bearing fits well in devices such as cooling fans and small printers, providing smooth rotation with minimal noise. Its lightweight design makes it ideal for portable gadgets.

Perfect Fit for Automation: SMR84 Bearing
For automation systems, SMR84 Bearing works efficiently in robotic arms and 3D printers, thanks to its high-speed capability and reliable performance. The open seal design allows for easy lubrication when needed.

Medical vs Industrial: Where SMR84 Bearing Excels
In medical equipment, SMR84 Bearing is suitable for delicate applications like surgical tools, where precision is key. Meanwhile, its industrial use extends to small conveyor systems and measuring devices.

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