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Inch Size Miniature Ball Bearings SR168 2rs

Inch Size Miniature Ball Bearings SR168 2rs

The SR168 2rs is a miniature ball bearing with a 0.25″ bore and 0.375″ outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 64 lbf and spins smoothly at speeds up to 43,200 RPM.

Its sealed design with nitrile rubber shields keeps dirt out and grease in, making it low-maintenance. The ABEC1 tolerance ensures reliable performance for everyday use.

This bearing is ideal for small devices like drones, model cars, or precision instruments where space is limited. It operates in temperatures from -86°F to 230°F.

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

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Product Parameters

  • Part Number SR168 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 Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Shield Material Nitrile Rubber
  • Dynamic Radial Load 64 lbf
  • Static Radial Load 28 lbf
  • Max Speed 43200 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.60 g
  • Price（$） 1.242
Inch Size Miniature Ball Bearings SR168 2rs dimension drawing
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Features

How Does SR168 2rs Bearing Reduce Friction?

SR168 2rs Bearing features stainless steel rings and balls, ensuring smooth operation with minimal friction.
The sealed design with nitrile rubber shields helps retain lubrication, further reducing wear.
With a dynamic radial load capacity of 64 lbf, it handles light to moderate loads efficiently.
Its high-speed capability of 43,200 rpm makes it suitable for precision applications.

Engineered for Precision: SR168 2rs Bearing

SR168 2rs Bearing is crafted with ABEC1 tolerance, offering reliable performance in miniature applications.
The stainless steel construction provides corrosion resistance, ideal for various environments.
Its compact size of 0.25″×0.375″×0.125″ makes it perfect for space-constrained designs.
The sealed design ensures long-lasting performance with minimal maintenance.

What Makes SR168 2rs Bearing Suitable for High-Temperature Applications?

SR168 2rs Bearing operates in temperatures ranging from -86 to 230 °F, maintaining consistent performance.
The stainless steel materials resist thermal expansion, ensuring stability under varying conditions.
Its sealed design protects against contaminants, enhancing durability in harsh environments.
With a high-speed rating of 43,200 rpm, it delivers reliable operation in demanding settings.

Application

Where Is SR168 2rs Bearing Used?
SR168 2rs Bearing is commonly found in small-scale machinery, like precision instruments and hobbyist tools, where its compact size and sealed design keep dust and debris out. The stainless steel construction ensures it handles light loads smoothly.

In automation systems, SR168 2rs Bearing supports delicate movements in devices like 3D printers or robotic arms, thanks to its low friction and reliable performance. Its inch sizing makes it a convenient fit for many North American and UK-made components.

For household gadgets, SR168 2rs Bearing works well in items like electric toothbrushes or small fans, where quiet operation and durability matter. The nitrile rubber seal adds extra protection against moisture in everyday use.

Q&A

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