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Inch Size Miniature Ball Bearings R168 2rs

Inch Size Miniature Ball Bearings R168 2rs

The R168 2rs is a compact miniature ball bearing measuring 0.25″×0.375″×0.125″, crafted from durable chrome steel for reliable performance. It handles radial loads up to 71 lbf and spins smoothly at speeds up to 48,000 RPM.

Sealed with nitrile rubber, it keeps out dust and dirt while retaining lubrication, making it low-maintenance. The stainless steel cage ensures smooth operation and long service life.

With a temperature range of -86 to 230°F, it suits various environments. Its small size and sealed design make it ideal for precision instruments or small motors.

Weighing just 0.60g, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a safe choice for diverse applications.

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Product Parameters

  • Part Number R168 2rs
  • Brand TFL
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Seal Type Sealed
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Radial Clearance 0.00008" to 0.0005"
  • Ball Qty 11
  • Bore Dia 0.25"
  • 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"
  • Ball Dia 0.03941"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Shield Material Nitrile Rubber
  • Dynamic Radial Load 71 lbf
  • Static Radial Load 31 lbf
  • Max Speed 48000 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.60 g
  • Price（$） 1.035
Inch Size Miniature Ball Bearings R168 2rs dimension drawing
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Features

How Does R168 2rs Bearing Reduce Friction?

R168 2rs Bearing features chrome steel rings and balls, ensuring smooth operation with minimal friction.
Its sealed design with nitrile rubber shields keeps contaminants out, maintaining consistent performance.

The stainless steel cage aligns the 11 balls precisely, reducing wear and extending service life.
With a maximum speed of 48,000 rpm, it delivers reliable performance in compact applications.

R168 2rs Bearing operates in temperatures from -86 to 230°F, making it versatile for various environments.
Its dynamic radial load capacity of 71 lbf ensures durability in demanding radial load conditions.

Application

Where Is R168 2rs Bearing Used?
R168 2rs Bearing is commonly found in small-scale machinery, such as precision instruments and miniature motors, where its compact size and sealed design are beneficial. The chrome steel construction ensures durability in tight spaces.

In consumer electronics, R168 2rs Bearing supports devices like cooling fans and small printers, providing smooth rotation with minimal maintenance. Its ABEC1 tolerance makes it reliable for everyday use.

For automation systems, R168 2rs Bearing fits well in robotic arms and 3D printers, where consistent performance is key. The nitrile rubber seal helps keep contaminants out, extending its lifespan.

In medical devices, R168 2rs Bearing’s stainless steel cage and chrome steel balls offer reliability in equipment like lab instruments. The wide temperature range also makes it suitable for various environments.

Q&A

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