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Miniature Ball Bearings with Extended Inner Ring RW166

Miniature Ball Bearings with Extended Inner Ring RW166

The RW166 is a compact miniature ball bearing with an extended inner ring, measuring 0.1875″ in bore diameter and 0.375″ in outer diameter. Made from chrome steel, it’s built to handle radial loads up to 136 lbf and spins smoothly at speeds up to 50,000 RPM.

Its open design and stainless steel cage make maintenance straightforward, while the extended inner ring offers easier mounting. The bearing operates efficiently in temperatures ranging from -86°F to 230°F.

With a lightweight design at just 0.85g, it’s ideal for small applications like precision instruments or hobbyist projects. Compliant with RoHS and REACH standards, it’s a reliable choice for various lightweight radial load needs.

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Product Parameters

  • Part Number RW166
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 0.1875"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.375"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.125"
  • Width Tolerance -0.005" to 0"
  • External Diameter On Inner Ring 0.235"
  • Inner Ring Width 0.1562"
  • Ball Qty 8
  • Ball Dia 0.0625"
  • 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 Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 136 lbf
  • Static Radial Load 49 lbf
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 50000 rpm
  • Weight 0.85 g
  • Price（$） 2.655
Miniature Ball Bearings with Extended Inner Ring RW166 dimension drawing
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Features

Why Choose RW166 Bearing for Precision Tasks?

RW166 Bearing features an extended inner ring, making it ideal for precise radial load applications.
Its chrome steel construction ensures durability while maintaining smooth operation.

With a dynamic radial load capacity of 136 lbf, RW166 Bearing handles demanding tasks efficiently.
The stainless steel cage keeps the balls aligned, reducing friction and extending service life.

RW166 Bearing operates at speeds up to 50,000 rpm, suitable for high-performance applications.
Its compact size and lightweight design make it perfect for miniature machinery.

Application

Essential Roles of RW166 Bearing
RW166 Bearing is commonly used in small electric motors, where its compact size and extended inner ring help with easy installation and alignment. The open design allows for straightforward lubrication, ensuring smooth operation in high-speed applications.

How Does RW166 Bearing Improve Performance?
In precision instruments like optical encoders, RW166 Bearing’s ABEC1 tolerance ensures minimal vibration and noise. Its chrome steel construction provides durability, making it suitable for long-term use in delicate equipment.

Perfect Fit for Automation: RW166 Bearing
RW166 Bearing works well in robotic arms, where its lightweight design and high-speed capability enhance movement accuracy. The stainless steel cage adds resistance to wear, even in continuous operation scenarios.

Medical vs Industrial: Where RW166 Bearing Excels
For medical devices like dental handpieces, RW166 Bearing offers reliable performance due to its precise tolerances. In industrial settings, it’s often found in small conveyor systems, where its radial load capacity is beneficial.

Q&A

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