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Miniature Ball Bearings with Extended Inner Ring SRW155

Miniature Ball Bearings with Extended Inner Ring SRW155

The SRW155 is a miniature ball bearing with an extended inner ring, measuring 0.15625″ in bore diameter and 0.3125″ in outer diameter. Made entirely of stainless steel, it’s lightweight at just 0.61g and suits radial loads up to 62 lbf.

Its open design and ABEC1 tolerance ensure smooth operation at speeds up to 47,700 RPM. The extended inner ring provides easier handling during installation, ideal for compact spaces.

With a temperature range of -86°F to 230°F, it’s versatile for various environments. Regular lubrication is needed to maintain performance.

This bearing is perfect for small devices like precision instruments or hobbyist projects where space and reliability are key. Compliant with RoHS and REACH standards for safe use.

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    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number SRW155
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 0.15625"
  • 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"
  • External Diameter On Inner Ring 0.221"
  • Inner Ring Width 0.1406"
  • Ball Qty 10
  • Ball Dia 0.0394"
  • Radial Clearance 0.00008" to 0.0005"
  • System of Measurement Inch
  • Seal Type Open
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Extended
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 62 lbf
  • Static Radial Load 24 lbf
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 47700 rpm
  • Weight 0.61 g
  • Price（$） 3.186
Miniature Ball Bearings with Extended Inner Ring SRW155 dimension drawing
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Features

How Does SRW155 Bearing Achieve High-Speed Performance?

SRW155 Bearing is crafted with stainless steel rings and balls, ensuring smooth operation even at high speeds.
Its maximum speed of 47,700 rpm makes it suitable for precision applications requiring rapid rotation.
The extended inner ring design provides better stability and easier mounting in compact spaces.
With a dynamic radial load capacity of 62 lbf, it balances speed and durability effectively.

Application

Essential Roles of SRW155 Bearing
SRW155 Bearing is commonly used in small-scale industrial equipment, such as precision instruments and miniature motors, where its compact size and radial load capacity are beneficial. The extended inner ring design simplifies installation in tight spaces.

What Makes SRW155 Bearing a Preferred Choice?
In consumer electronics like printers and small fans, SRW155 Bearing offers smooth operation due to its stainless steel construction. Its ABEC1 tolerance ensures reliable performance for everyday devices.

Medical vs Industrial: Where SRW155 Bearing Excels
For medical devices such as dental tools or lab equipment, SRW155 Bearing’s corrosion-resistant materials provide longevity. In industrial settings, it handles light radial loads in automation components effectively.

Built for Heavy-Duty Use: SRW155 Bearing
Despite its small size, SRW155 Bearing can withstand dynamic radial loads up to 62 lbf, making it suitable for hobbyist machinery and model-making applications. The open seal design allows for easy lubrication maintenance.

How Does SRW155 Bearing Support High-Speed Operations?
With a maximum speed of 47,700 rpm, SRW155 Bearing is ideal for high-speed applications like small drones or RC cars. The stainless steel balls reduce friction, ensuring consistent performance.

Q&A

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