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Inch Size Miniature Flanged Ball Bearings SFR133

Inch Size Miniature Flanged Ball Bearings SFR133

The SFR133 is a miniature flanged ball bearing with a 0.09375″ bore and 0.1875″ outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 32 lbf and spins smoothly at speeds up to 72,000 RPM.

Its open design requires regular lubrication, while the stainless steel cage ensures reliable performance. The flange provides extra stability, making it easier to mount in tight spaces.

This bearing is ideal for small devices like precision instruments or miniature motors where space is limited. It operates well in temperatures from -86°F to 230°F.

Weighing just 0.13g, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards, it’s a safe choice for various applications.

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Product Parameters

  • Part Number SFR133
  • Brand TFL
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Seal Type Open
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Radial Clearance 0.00008" to 0.0005"
  • Ball Qty 7
  • Bore Dia 0.09375"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.1875"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.0625"
  • Width Tolerance -0.005" to 0"
  • Flange Outer Dia 0.234"
  • Flange Thickness 0.018"
  • Ball Dia 0.03150"
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 32 lbf
  • Static Radial Load 10 lbf
  • Max Speed 72000 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.13 g
  • Price（$） 1.458
Inch Size Miniature Flanged Ball Bearings SFR133 dimension drawing
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Features

How Does SFR133 Bearing Reduce Friction?

SFR133 Bearing is crafted with stainless steel rings and balls, ensuring smooth operation with minimal friction.
Its precision design includes seven balls for balanced load distribution, enhancing efficiency.

The open seal type allows for easy lubrication, maintaining optimal performance over time.
With a maximum speed of 72,000 rpm, it suits high-speed applications without compromising durability.

SFR133 Bearing’s compact flanged design provides stability, making it ideal for miniature assemblies.
Its temperature range of -86 to 230°F ensures reliable performance in varied conditions.

Application

Common Applications of SFR133 Bearing
SFR133 Bearing is commonly used in small-scale industrial equipment, such as miniature conveyor systems and precision instruments, where its compact size and stainless steel construction are beneficial. The open seal design allows for easy lubrication, ensuring smooth operation in tight spaces.

Where Is SFR133 Bearing Used?
You’ll often find SFR133 Bearing in consumer electronics like printers and small fans, where its lightweight and high-speed capability are ideal. The flanged design also helps with secure mounting in devices with limited space.

Ideal for Precision: SFR133 Bearing
SFR133 Bearing works well in medical devices, such as handheld diagnostic tools, thanks to its stainless steel components and reliable performance. Its small dimensions make it a practical choice for applications requiring accuracy and durability.

Automotive vs Aerospace: Applications of SFR133 Bearing
In automotive applications, SFR133 Bearing can be found in small actuators or sensors, where its radial load capacity is sufficient. For aerospace, it’s suitable for lightweight instruments due to its minimal weight and corrosion resistance.

Q&A

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