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Inch Size Miniature Flanged Ball Bearings SFR144 2rs

Inch Size Miniature Flanged Ball Bearings SFR144 2rs

The SFR144 2rs is a compact flanged ball bearing with a 0.125″ bore and 0.25″ outer diameter, crafted entirely from stainless steel for durability. It supports radial loads up to 49 lbf and spins smoothly at speeds up to 60,300 RPM.

Its sealed design with nitrile rubber shields keeps dirt out and grease in, making it low-maintenance. The stainless steel cage and balls ensure reliable performance in temperatures from -86°F to 230°F.

The flange adds stability, helping the bearing stay aligned in tight spaces. Ideal for small devices like drones, medical tools, or precision instruments where space is limited.

Weighing just 0.48g, 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 SFR144 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 7
  • Bore Dia 0.125"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.25"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.1094"
  • Width Tolerance -0.005" to 0"
  • Flange Outer Dia 0.296"
  • Flange Thickness 0.031"
  • Ball Dia 0.03941"
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 49 lbf
  • Static Radial Load 15 lbf
  • Max Speed 60300 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.48 g
  • Shield Material Nitrile Rubber
  • Price（$） 1.3122
Inch Size Miniature Flanged Ball Bearings SFR144 2rs dimension drawing
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Features

Why Choose SFR144 2rs Bearing for Precision Tasks?

SFR144 2rs Bearing features a stainless steel construction, ensuring resistance to corrosion and wear.
Its sealed design with nitrile rubber shields protects against dust and moisture, enhancing durability.

The bearing’s ABEC1 tolerance class provides reliable precision for miniature applications.
With a maximum speed of 60,300 rpm, it delivers smooth performance in high-speed operations.

SFR144 2rs Bearing’s flanged design offers secure mounting, reducing misalignment risks.
Its compact size and lightweight make it ideal for space-constrained applications.

Application

Where Is SFR144 2rs Bearing Used?
SFR144 2rs Bearing is commonly found in small-scale automation, such as miniature conveyor belts or robotic arms, where its compact size and sealed design prevent dust ingress. The stainless steel construction ensures longevity even in humid or corrosive environments.

In consumer electronics, SFR144 2rs Bearing supports smooth rotation in devices like cooling fans or printer rollers. Its low friction and high-speed capability make it ideal for applications requiring quiet operation.

For medical devices, SFR144 2rs Bearing’s precision and reliability are key in equipment like dental tools or lab instruments. The sealed design also helps maintain hygiene by reducing contamination risks.

The flange on SFR144 2rs Bearing adds stability in tight spaces, such as within compact motors or drone components. Its lightweight design doesn’t compromise on load capacity, making it versatile for various lightweight applications.

Q&A

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