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Metric Size Miniature Flanged Ball Bearings SMF41x

Metric Size Miniature Flanged Ball Bearings SMF41x

The SMF41x is a compact radial ball bearing with a 1.2mm bore and 4mm outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 19 lbf and spins at an impressive 99,000 RPM, making it suitable for high-speed applications.

Its open design allows for easy lubrication, while the stainless steel cage ensures smooth operation. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

With a flange outer diameter of 4.8mm, it stays securely in place during use. The lightweight design, at just 0.12g, doesn’t compromise on strength.

Ideal for precision devices like small motors or medical instruments where space and speed are critical. Compliant with RoHS and REACH standards for safe and reliable performance.

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Product Parameters

  • Part Number SMF41x
  • Brand TFL
  • System of Measurement Metric
  • Bearing Type Ball
  • Bore Dia 1.2 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 4 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 1.8 mm
  • Width Tolerance -0.12mm to 0
  • Flange Outer Dia 4.8 mm
  • Flange Thickness 0.4 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Ball Qty 7
  • Ball Dia 0.6000 mm
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • 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 19 lbf
  • Static Radial Load 5 lbf
  • Max Speed 99000 rpm
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.12 g
  • Price（$） 19.8
Metric Size Miniature Flanged Ball Bearings SMF41x dimension drawing
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Features

Why Choose SMF41x Bearing for Precision Tasks?

SMF41x Bearing is crafted with stainless steel rings and balls, ensuring smooth radial load handling.
Its compact design with a 1.2 mm bore and 4 mm outer diameter suits precision instruments.
The open seal type allows easy lubrication, maintaining performance at high speeds up to 99,000 rpm.
With a dynamic radial load capacity of 19 lbf, it balances durability and efficiency in small-scale applications.

Application

Key Fields for SMF41x Bearing
SMF41x Bearing is commonly used in precision instruments like laboratory scales and optical devices, where its small size and stainless steel construction ensure accurate measurements. The open design allows for easy lubrication, extending its lifespan in delicate applications.

How Does SMF41x Bearing Support High-Speed Operations?
With a maximum speed of 99,000 rpm, SMF41x Bearing is ideal for high-speed dental drills and miniature motors. Its stainless steel balls and cage provide smooth rotation, reducing friction even at extreme speeds.

Perfect Fit for Automation: SMF41x Bearing
In robotic assemblies, SMF41x Bearing offers reliable performance in compact joints and grippers. The metric dimensions make it easy to integrate into European and Asian automation systems.

Medical vs Industrial: Where SMF41x Bearing Excels
SMF41x Bearing shines in medical devices like insulin pumps due to its corrosion-resistant materials. In industrial settings, it’s equally effective in small sensors and control systems requiring minimal maintenance.

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