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Inch Size Miniature Flanged Ball Bearings FR133

Inch Size Miniature Flanged Ball Bearings FR133

The FR133 is a miniature flanged ball bearing with a compact size of 0.09375″ bore and 0.1875″ outer diameter, crafted from durable chrome steel. It supports radial loads up to 36 lbf and spins smoothly at speeds up to 80,000 RPM.

Its open design allows for easy lubrication, while the stainless steel cage ensures reliable performance. The flange provides secure mounting, making it stable in tight spaces.

This bearing operates in temperatures from -86°F to 230°F, suitable for various environments. Ideal for small devices like precision instruments or miniature motors where space is limited.

Weighing just 0.13g, it’s lightweight yet robust. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number FR133
  • 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 Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 36 lbf
  • Static Radial Load 11 lbf
  • Max Speed 80000 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.13 g
  • Price（$） 1.215
Inch Size Miniature Flanged Ball Bearings FR133 dimension drawing
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Features

How Does FR133 Bearing Reduce Friction?

FR133 Bearing features chrome steel rings and balls, designed to minimise friction during operation.
Its precision engineering ensures smooth radial movement, even at high speeds up to 80,000 rpm.
The stainless steel cage maintains proper ball alignment, reducing wear and enhancing efficiency.
With a radial clearance of 0.00008″ to 0.0005″, it offers consistent performance in miniature applications.

Application

Common Applications of FR133 Bearing
FR133 Bearing is widely used in small industrial equipment like precision instruments and miniature motors, where its compact size and radial load capacity are beneficial. The open seal design allows for easy lubrication, ensuring smooth operation in tight spaces.

In the automotive sector, FR133 Bearing fits well in components such as fuel pumps and sensors, thanks to its inch sizing and reliable performance. Its chrome steel construction handles moderate loads while maintaining durability.

For consumer electronics, FR133 Bearing is a go-to choice for devices like small fans and printers, where low noise and efficiency matter. The lightweight design and high-speed capability make it ideal for everyday gadgets.

Automation systems often rely on FR133 Bearing for precise movements in robotic arms and 3D printers. The stainless steel cage ensures long-term wear resistance, even in repetitive tasks.

Medical devices like handheld diagnostic tools benefit from FR133 Bearing’s consistent performance and compact flange design. Its temperature range suits various clinical environments, from labs to operating rooms.

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