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Metric Size Miniature Flanged Ball Bearings SF603 2rs

Metric Size Miniature Flanged Ball Bearings SF603 2rs

The SF603 2RS is a compact, sealed ball bearing with a 3mm bore and 9mm outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 47 lbf and spins remarkably fast, reaching speeds of 50,400 RPM.

Its double rubber seals keep out dust and moisture, making it low-maintenance, while the stainless steel cage ensures smooth operation. The bearing operates reliably in temperatures from -30°C to 110°C.

With a lightweight design at just 0.96g, it’s ideal for small, high-speed applications like miniature motors or precision instruments. The flange adds extra stability during installation.

Compliant with RoHS and REACH standards, this bearing is a practical choice for both industrial and hobbyist projects requiring reliable performance in tight spaces.

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Product Parameters

  • Part Number SF603 2rs
  • Brand TFL
  • System of Measurement Metric
  • Bearing Type Ball
  • Bore Dia 3 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 9 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 3 mm
  • Width Tolerance -0.12mm to 0
  • Flange Outer Dia 10.5 mm
  • Flange Thickness 0.7 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Ball Qty 6
  • Ball Dia 1.5880 mm
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Seal Type Sealed
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 47 lbf
  • Static Radial Load 31 lbf
  • Max Speed 50400 rpm
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.96 g
  • Shield Material Nitrile Rubber
  • Price（$） 1.62
Metric Size Miniature Flanged Ball Bearings SF603 2rs dimension drawing
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Features

Why Choose SF603 2rs Bearing for Precision Tasks?

SF603 2rs Bearing features a sealed design with stainless steel rings and balls, ensuring smooth radial load handling.
Its compact dimensions (3mm bore, 9mm outer dia) make it ideal for precision instruments requiring minimal space.

The ABEC1 tolerance and MC3 radial clearance provide consistent performance in high-speed applications.
With a maximum speed of 50,400 rpm, it balances efficiency and durability for demanding tasks.

Stainless steel construction resists corrosion, extending service life in humid or dusty environments.
The nitrile rubber seal protects against contaminants while maintaining lubrication integrity.

Application

Common Applications of SF603 2RS Bearing
SF603 2RS Bearing is widely used in small electric motors, such as those found in cooling fans or portable devices, thanks to its compact size and sealed design. The stainless steel construction ensures it can handle moisture and light corrosion, making it suitable for household appliances.

In robotics, SF603 2RS Bearing provides smooth rotation in joints and small actuators, where precision and reliability are key. Its high-speed capability also makes it a good fit for delicate automated systems.

For medical devices like dental tools or handheld diagnostic equipment, SF603 2RS Bearing offers quiet operation and consistent performance. The sealed design helps keep contaminants out, extending the bearing’s lifespan in sensitive environments.

You’ll often find SF603 2RS Bearing in consumer electronics, such as printers or small gadgets, where space is limited but performance can’t be compromised. Its lightweight design and durability make it a practical choice for everyday devices.

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