Metric Size Miniature Flanged Ball Bearings SF604 2rs

The SF604 2RS is a compact, sealed ball bearing with a 4mm bore and 12mm outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 165 lbf and spins at speeds up to 43,200 RPM, making it suitable for high-speed applications.

Its double rubber seals keep out dust and moisture, while the stainless steel cage ensures smooth operation. The bearing requires lubrication for optimal performance and works in temperatures from -30°C to 110°C.

With a lightweight design at just 2.57g, it’s ideal for small machinery or precision tools where space is limited. The flange adds extra stability during installation. Compliant with RoHS and REACH standards, it’s a reliable choice for various industrial uses.

Perfect for applications like small motors or medical devices, where a combination of speed and reliability is needed. Its sealed design reduces maintenance, making it a practical option for busy workshops.

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Description

Features

Application

Q&A

Product Parameters

Part Number SF604 2rs
Brand TFL
System of Measurement Metric
Bearing Type Ball
Bore Dia 4 mm
Bore Dia Tolerance -0.008mm to 0
Outer Dia 12 mm
Outer Dia Tolerance -0.008mm to 0
Width 4 mm
Width Tolerance -0.12mm to 0
Flange Outer Dia 13.5 mm
Flange Thickness 1 mm
Radial Clearance 0.002mm to 0.013mm
Ball Qty 7
Ball Dia 2.0000 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 165 lbf
Static Radial Load 57 lbf
Max Speed 43200 rpm
Temperature Range -30° to 110 °C
Lubrication Required
RoHS Compliant
REACH Compliant
Weight 2.57 g
Shield Material Nitrile Rubber
Price（$） 1.62

Metric Size Miniature Flanged Ball Bearings SF604 2rs dimension drawing

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Features

Why Choose SF604 2RS Bearing for Precision Tasks?

SF604 2RS Bearing features a sealed design with stainless steel rings and balls, ensuring smooth radial load handling.
Its dynamic radial load capacity of 165 lbf makes it suitable for high-precision applications.

The nitrile rubber seal protects against contaminants, extending the bearing’s lifespan.
With a maximum speed of 43,200 rpm, it delivers reliable performance in fast-moving machinery.

SF604 2RS Bearing’s compact size and lightweight design make it ideal for small-scale applications.
Its ABEC1 tolerance class ensures consistent precision and smooth operation.

Application

Common Applications of SF604 2rs Bearing
SF604 2rs Bearing is widely used in small electric motors, such as those found in cooling fans or power tools, thanks to its compact size and sealed design. The stainless steel construction ensures it handles everyday wear without corrosion.

In automation systems, SF604 2rs Bearing fits neatly into robotic arms or 3D printers, where smooth rotation is key. Its high-speed capability makes it a reliable choice for precision movements.

For consumer electronics like printers or handheld devices, SF604 2rs Bearing offers quiet operation and long service life. The nitrile rubber seal keeps dust out, maintaining performance in dusty environments.

Medical devices, such as dental tools or lab equipment, benefit from SF604 2rs Bearing’s consistent performance and hygiene-friendly materials. The sealed design also prevents contamination in sensitive applications.