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Inch Size Miniature Flanged Ball Bearings SFR188 2rs
Inch Size Miniature Flanged Ball Bearings SFR188 2rs

Inch Size Miniature Flanged Ball Bearings SFR188 2rs

The SFR188 2rs is a miniature flanged ball bearing with a 0.25″ bore and 0.5″ outer diameter, made entirely from stainless steel for durability. It handles radial loads up to 310 lbf and spins smoothly at speeds up to 36,000 RPM.

Its sealed design with nitrile rubber shields keeps dirt out and grease in, making it low-maintenance. The flange adds stability, helping it stay securely in place during operation.

This bearing works well in temperatures from -86°F to 230°F, suitable for various environments. Ideal for small machinery, medical devices, or precision instruments where compact size and reliability matter.

Weighing just 2.54g, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it requires lubrication for optimal performance.

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Product Parameters

  • Part Number SFR188 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 8
  • Bore Dia 0.25"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.5"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.1875"
  • Width Tolerance -0.005" to 0"
  • Flange Outer Dia 0.547"
  • Flange Thickness 0.045"
  • Ball Dia 0.07870"
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 310 lbf
  • Static Radial Load 72 lbf
  • Max Speed 36000 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 2.54 g
  • Shield Material Nitrile Rubber
  • Price($) 1.3122

Features

How Does SFR188 2rs Bearing Reduce Friction?

SFR188 2rs Bearing features stainless steel construction, ensuring smooth operation with minimal friction.
The sealed design protects against contaminants, maintaining performance in various environments.
With a dynamic radial load capacity of 310 lbf, it handles demanding applications efficiently.
Its compact size and flanged design make it ideal for precision tasks where space is limited.

Application

Common Applications of SFR188 2rs Bearing
SFR188 2rs Bearing is widely used in small electric motors, particularly in appliances like cooling fans and power tools, where its compact size and sealed design prevent dust ingress. The stainless steel construction ensures longevity even in humid conditions.

In robotics, SFR188 2rs Bearing provides smooth motion in joints and linkages, thanks to its low friction and precise radial clearance. The flange adds stability, making it ideal for lightweight automated systems.

For medical devices, SFR188 2rs Bearing’s sealed design and stainless steel materials make it suitable for handheld surgical tools, where hygiene and reliability are paramount. Its small footprint allows integration into space-constrained equipment.

In consumer electronics, SFR188 2rs Bearing ensures quiet operation in devices like printers and disk drives. The ABEC1 tolerance class offers a good balance of performance and cost for these everyday applications.

The bearing’s temperature range also makes it adaptable to outdoor equipment, such as weather sensors, where it withstands varying environmental conditions without compromising performance.

Q&A

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