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Metric Size Standard Miniature Ball Bearings SMR115

Metric Size Standard Miniature Ball Bearings SMR115

The SMR115 is a compact miniature ball bearing with a 5mm bore and 11mm outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 123 lbf and spins smoothly at speeds up to 40,500 RPM.

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

With a lightweight build of just 0.62g, it’s ideal for small, precision applications like model making or small machinery. Compliant with RoHS and REACH standards, it’s a safe and versatile choice for various uses.

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Product Parameters

  • Part Number SMR115
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 5 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 11 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 4 mm
  • Width Tolerance -0.12mm to 0
  • Ball Qty 8
  • Ball Dia 1.5880 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 123 lbf
  • Static Radial Load 46 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 40500 rpm
  • Weight 0.62 g
  • Price（$） 1.242
Metric Size Standard Miniature Ball Bearings SMR115 dimension drawing
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Features

Performance Features of SMR115 Bearing

SMR115 Bearing is crafted with stainless steel rings and balls, offering good resistance to corrosion.
Its compact size of 5 mm×11 mm×4 mm makes it ideal for applications where space is limited.

The dynamic radial load capacity of 123 lbf ensures reliable performance in various conditions.
With a maximum speed of 40,500 rpm, it provides smooth operation for high-speed applications.

SMR115 Bearing’s open design allows for easy lubrication, enhancing its longevity.
The stainless steel cage maintains ball alignment, reducing wear and improving efficiency.

Application

Common Applications of SMR115 Bearing
SMR115 Bearing is widely used in small electric motors, such as those found in cooling fans or power tools, due to its compact size and smooth radial load handling. The stainless steel construction ensures it performs well in humid or corrosive environments.

Where Is SMR115 Bearing Used?
You’ll often spot SMR115 Bearing in precision instruments like dental drills or laboratory equipment, where its low friction and high-speed capability are key. Its open design simplifies lubrication, keeping maintenance straightforward.

Ideal for Precision: SMR115 Bearing
SMR115 Bearing works brilliantly in 3D printers, providing quiet and reliable motion control for the print head. The ABEC1 tolerance ensures consistent performance without unnecessary complexity or cost.

Automotive vs Aerospace: Applications of SMR115 Bearing
In automotive applications, SMR115 Bearing fits well in dashboard controls or small actuators, offering durability in tight spaces. For aerospace, its lightweight design is useful in instrumentation panels or drone mechanisms.

Perfect Fit for Automation: SMR115 Bearing
SMR115 Bearing is a go-to choice for robotic arms in assembly lines, where its high-speed tolerance and radial load capacity keep operations running smoothly. The stainless steel materials also resist wear over long periods.

Q&A

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