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Miniature Flanged Ball Bearings With Extended Inner Ring SFRW4

Miniature Flanged Ball Bearings With Extended Inner Ring SFRW4

The SFRW4 is a compact flanged ball bearing with a 0.25″ bore and 0.625″ outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 255 lbf and spins smoothly at speeds up to 99,000 RPM.

Its extended inner ring and flange design provide better alignment and secure mounting in tight spaces. The open seal allows for easy lubrication, ensuring smooth operation over time.

With a temperature range of -86°F to 230°F, this bearing is versatile for various environments. Ideal for small machinery, medical devices, or precision instruments where space is limited.

Weighing just 0.20g, it’s lightweight yet robust, making it a practical choice for delicate applications. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number SFRW4
  • Brand TFL
  • Interchangeable EZO
  • System of Measurement Inch
  • Bore Dia 0.25"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.625"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.196"
  • Width Tolerance -0.005" to 0"
  • Flange Outer Dia 0.69"
  • Flange Thickness 0.042"
  • External Diameter On Inner Ring 0.362"
  • Inner Ring Width 0.2273"
  • Ball Qty 8
  • 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 255 lbf
  • Static Radial Load 101 lbf
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 99000 rpm
  • Weight 0.20 g
  • Price（$） 3.942

Features

How Is SFRW4 Bearing Engineered for Reliability?

SFRW4 Bearing features a stainless steel construction, ensuring resistance to corrosion and wear.
Its extended inner ring provides better alignment and stability during operation.

With a dynamic radial load capacity of 255 lbf, SFRW4 Bearing handles demanding radial loads efficiently.
The open seal design allows for easy lubrication, maintaining smooth performance.

SFRW4 Bearing operates in temperatures ranging from -86 to 230 °F, suitable for various environments.
Its ABEC1 tolerance class ensures consistent precision in miniature applications.

The flange design offers secure mounting, reducing the risk of misalignment.
SFRW4 Bearing’s lightweight construction at 0.20 g makes it ideal for compact machinery.

Application

Where Is SFRW4 Bearing Used?
SFRW4 Bearing is commonly seen in small-scale automation, such as robotic arms and 3D printers, where its compact size and extended inner ring provide precise alignment. The stainless steel construction ensures longevity even in high-speed operations.

In consumer electronics, SFRW4 Bearing fits well in devices like printers and small fans, offering smooth rotation with minimal maintenance. Its lightweight design makes it ideal for applications where space and weight are critical factors.

For medical instruments, SFRW4 Bearing’s ABEC1 tolerance and radial clearance make it suitable for delicate equipment like dental tools. The open seal allows for easy lubrication, ensuring consistent performance over time.

The flanged design of SFRW4 Bearing also makes it a good choice for mounting in tight spaces, such as in small motors or gearboxes. Its durability and temperature resistance add to its versatility across different industries.

Q&A

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