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Miniature Flanged Ball Bearings With Extended Inner Ring SFRW3 W19

Miniature Flanged Ball Bearings With Extended Inner Ring SFRW3 W19

The SFRW3 W19 is a compact flanged ball bearing, measuring just 0.1875″ by 0.565″ by 0.2273″. Made entirely from stainless steel, it offers good resistance to corrosion and wear.

With a dynamic radial load capacity of 224 lbf, it handles moderate loads while spinning smoothly at speeds up to 38,700 RPM. Its open design allows for easy lubrication, extending its service life.

The extended inner ring and flange provide secure mounting, making it less likely to slip during operation. It operates well in temperatures ranging from -86°F to 230°F.

Ideal for small machinery or precision instruments where space is limited. Compliant with RoHS and REACH standards, it’s a reliable choice for various applications. Weighing only 3.24g, it’s lightweight yet durable.

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Product Parameters

  • Part Number SFRW3 W19
  • Brand TFL
  • Interchangeable EZO
  • System of Measurement Inch
  • Bore Dia 0.1875"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.5"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.2273"
  • Width Tolerance -0.005" to 0"
  • Flange Outer Dia 0.565"
  • Flange Thickness 0.042"
  • External Diameter On Inner Ring 0.285"
  • Inner Ring Width 0.2273"
  • Ball Qty 7
  • Ball Dia 0.0937"
  • Radial Clearance 0.00008" to 0.0005"
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Extended
  • Seal Type Open
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 224 lbf
  • Static Radial Load 79 lbf
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 38700 rpm
  • Weight 3.24 g
  • Price（$） 3.942

Features

How Does SFRW3 W19 Bearing Reduce Friction?

SFRW3 W19 Bearing features stainless steel rings and balls, ensuring smooth operation with minimal friction.
Its ABEC1 tolerance class provides consistent performance, ideal for precision applications.

The open seal design allows for easy lubrication, maintaining efficiency over time.
With a maximum speed of 38,700 rpm, it delivers reliable performance in high-speed scenarios.

SFRW3 W19 Bearing’s extended inner ring simplifies installation, saving time and effort.
Its compact size and lightweight design make it suitable for miniature applications.

Application

Common Applications of SFRW3 W19 Bearing
SFRW3 W19 Bearing is widely used in small-scale automation, such as robotic arms and 3D printers, where its compact size and extended inner ring offer precise alignment. The stainless steel construction ensures durability in continuous operation.

In consumer electronics, SFRW3 W19 Bearing can be found in devices like cooling fans and small motors, providing smooth rotation with minimal noise. Its lightweight design makes it ideal for portable gadgets.

For medical instruments, SFRW3 W19 Bearing’s corrosion-resistant materials suit environments requiring frequent sterilisation. The open seal design allows for easy lubrication, maintaining performance in sensitive applications.

The flanged design of SFRW3 W19 Bearing also makes it a reliable choice for mounting in tight spaces, such as miniature gearboxes. Its ABEC1 tolerance ensures consistent performance without unnecessary complexity.

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