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Inch Size Miniature Flanged Ball Bearings SFR168
Inch Size Miniature Flanged Ball Bearings SFR168

Inch Size Miniature Flanged Ball Bearings SFR168

The SFR168 is a compact flanged ball bearing with a 0.25″ bore and 0.375″ outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 64 lbf and spins smoothly at speeds up to 43,200 RPM.

Its open design simplifies lubrication, while the stainless steel cage ensures reliable performance in temperatures from -86°F to 230°F. The flange adds stability, making it easier to mount securely in tight spaces.

With 11 stainless steel balls and ABEC1 precision, it offers smooth operation for small-scale applications. Ideal for use in miniature motors, medical devices, or precision instruments where space is limited.

Weighing just 0.66g, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number SFR168
  • 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 11
  • Bore Dia 0.25"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.375"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.125"
  • Width Tolerance -0.005" to 0"
  • Flange Outer Dia 0.422"
  • Flange Thickness 0.023"
  • Ball Dia 0.03941"
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 64 lbf
  • Static Radial Load 28 lbf
  • Max Speed 43200 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.66 g
  • Price($) 1.3122

Features

Performance Features of SFR168 Bearing

SFR168 Bearing is crafted with stainless steel rings and balls, offering reliable performance in radial load applications.
Its dynamic radial load capacity of 64 lbf ensures smooth operation in compact spaces.
The open design allows for easy lubrication, maintaining efficiency over time.
With a maximum speed of 43,200 rpm, it is suitable for high-speed miniature applications.

How Does SFR168 Bearing Reduce Friction?

SFR168 Bearing features a single-row design with 11 stainless steel balls, minimising friction during operation.
The ABEC1 tolerance class ensures consistent performance with radial clearance between 0.00008″ to 0.0005″.
Its stainless steel cage keeps the balls aligned, reducing wear and extending service life.
The flanged outer diameter of 0.422″ provides added stability in mounting.

Designed for Durability: SFR168 Bearing

SFR168 Bearing’s stainless steel construction resists corrosion, making it suitable for various environments.
It operates efficiently in temperatures ranging from -86 to 230 °F, ensuring reliability in diverse conditions.
The miniature size of 0.25″×0.422″×0.125″ makes it ideal for compact applications.
Its lightweight design at 0.66 g does not compromise on strength or performance.

Steel vs Ceramic Bearings: Strengths of SFR168 Bearing

SFR168 Bearing uses stainless steel for all components, providing a balance of durability and cost-effectiveness.
The material choice ensures resistance to rust and wear, even in demanding conditions.
With a static radial load capacity of 28 lbf, it handles light to moderate loads efficiently.
The flanged design adds extra stability, making installation straightforward.

Application

Common Applications of SFR168 Bearing
SFR168 Bearing is widely used in small-scale industrial equipment, such as miniature conveyor belts 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.

In the automotive sector, SFR168 Bearing fits well in dashboard components and small electric motors, thanks to its radial load capacity and durability. Its inch sizing makes it a convenient choice for American and British vehicle models.

For medical devices like handheld diagnostic tools, SFR168 Bearing’s stainless steel build ensures hygiene and reliability. The ABEC1 tolerance class provides adequate precision for most medical applications without unnecessary cost.

Automation and robotics often utilise SFR168 Bearing in compact robotic arms and 3D printer parts, where its lightweight and high-speed capability are advantageous. The flange design helps with secure mounting in dynamic setups.

In consumer electronics, SFR168 Bearing can be found in small fans and printer mechanisms, offering quiet and efficient performance. Its resistance to temperature variations makes it suitable for household devices.

Q&A

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