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Inch Size Miniature Ball Bearings SR2-5

Inch Size Miniature Ball Bearings SR2-5

The SR2-5 is a miniature ball bearing with a compact size of 0.125″×0.3125″×0.1094″, made entirely from stainless steel for durability. It handles radial loads up to 96 lbf and spins smoothly at speeds up to 54,000 RPM.

Its open design allows easy lubrication, while the stainless steel cage ensures reliable performance. The bearing operates well in temperatures from -86°F to 230°F, making it versatile for various conditions.

With an ABEC1 tolerance class and MC3 radial clearance, it offers good precision for small applications. Ideal for use in miniature machinery, small motors, or precision instruments where space is limited.

Weighing just 0.5 grams, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number SR2-5
  • Brand TFL
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Seal Type Open
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Radial Clearance 0.00008" to 0.0005"
  • Ball Qty 6
  • Bore Dia 0.125"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.3125"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.1094"
  • Width Tolerance -0.005" to 0"
  • Ball Dia 0.06252"
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 96 lbf
  • Static Radial Load 29 lbf
  • Max Speed 54000 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.5 g
  • Price（$） 1.242
Inch Size Miniature Ball Bearings SR2-5 dimension drawing
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Features

Why Choose SR2-5 Bearing for Precision Tasks?

SR2-5 Bearing is crafted with stainless steel rings and balls, ensuring high precision in miniature applications.

Its ABEC1 tolerance class guarantees consistent performance, ideal for tasks requiring exact measurements.

With a dynamic radial load capacity of 96 lbf, it handles light to moderate loads efficiently.

The open design allows for easy lubrication, maintaining smooth operation even at high speeds up to 54,000 rpm.

Application

Common Applications of SR2-5 Bearing
SR2-5 Bearing is widely used in small-scale industrial equipment, such as miniature motors and precision instruments, where its compact size and radial load capacity are beneficial. The stainless steel construction ensures durability in various environments.

In the automotive sector, SR2-5 Bearing can be found in components like fuel pumps and small actuators, providing reliable performance under radial loads. Its inch sizing makes it compatible with many American-made vehicles.

For medical devices, SR2-5 Bearing’s precision and smooth operation make it suitable for delicate instruments like dental tools or lab equipment. The open design allows for easy lubrication, maintaining performance over time.

In automation and robotics, SR2-5 Bearing supports small robotic arms and 3D printers, where its lightweight and high-speed capability are advantageous. The ABEC1 tolerance ensures consistent performance in precise applications.

Around the home, SR2-5 Bearing might be used in small appliances like electric shavers or cooling fans, offering quiet and efficient operation. Its stainless steel materials resist corrosion, extending the bearing’s lifespan.

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