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Metric Size Miniature Flanged Ball Bearings SF604

Metric Size Miniature Flanged Ball Bearings SF604

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

Its open design simplifies lubrication, while the stainless steel cage ensures smooth operation. The bearing includes a small flange (13.5mm outer diameter) for secure mounting in tight spaces.

With a radial clearance of 0.002mm to 0.013mm, it offers precise movement. Ideal for small devices like dental tools or precision instruments where space and speed are key.

Weighing just 2.42g, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it operates in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number SF604
  • 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 Open
  • 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 2.42 g
  • Price（$） 1.62
Metric Size Miniature Flanged Ball Bearings SF604 dimension drawing
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Features

How Does SF604 Bearing Reduce Friction?

SF604 Bearing features stainless steel rings and balls, ensuring smooth operation with minimal friction.
Its precision design with a radial clearance of 0.002mm to 0.013mm enhances performance in high-speed applications.

The open seal type allows for easy lubrication, maintaining optimal performance over time.
With a dynamic radial load capacity of 165 lbf, it handles moderate loads efficiently.

SF604 Bearing’s compact size and lightweight design make it ideal for small, precision instruments.
The stainless steel cage ensures durability and reduces wear, even at speeds up to 43,200 rpm.

Application

Common Applications of SF604 Bearing
SF604 Bearing is widely used in small electric motors, such as those found in cooling fans and household appliances. Its compact size and stainless steel construction make it suitable for environments where corrosion resistance is important.

In robotics, SF604 Bearing provides smooth rotation for lightweight robotic arms and small automated systems. The high-speed capability ensures reliable performance in repetitive tasks.

For medical devices like dental tools or lab equipment, SF604 Bearing offers precise movement due to its tight radial clearance. The open design allows for easy cleaning and maintenance in sterile environments.

SF604 Bearing also works well in consumer electronics, such as printers and small gadgets, where space is limited but performance is key. Its lightweight design helps reduce overall device weight without compromising durability.

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