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Miniature Flanged Ball Bearings With Extended Inner Ring SFRW144zz

Miniature Flanged Ball Bearings With Extended Inner Ring SFRW144zz

The SFRW144zz is a compact flanged ball bearing with a 0.125″ bore and 0.25″ outer diameter, crafted entirely from stainless steel for durability. Its shielded design keeps dust out while allowing smooth rotation at speeds up to 60,300 RPM.

The extended inner ring and flange make installation simpler, helping the bearing stay securely in place during operation. It handles radial loads up to 49 lbf and works in temperatures from -86°F to 230°F.

With seven stainless steel balls and ABEC1 precision, it offers reliable performance for small applications. Ideal for miniature devices like dental tools or precision instruments where space is limited.

Weighing just 0.48g, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards, it requires regular lubrication for optimal performance.

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Product Parameters

  • Part Number SFRW144zz
  • Brand TFL
  • Interchangeable EZO
  • System of Measurement Inch
  • Bore Dia 0.125"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.25"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.1094"
  • Width Tolerance -0.005" to 0"
  • Flange Outer Dia 0.296"
  • Flange Thickness 0.031"
  • External Diameter On Inner Ring 0.161"
  • Inner Ring Width 0.1406"
  • Ball Qty 7
  • Ball Dia 0.0394"
  • Radial Clearance 0.00008" to 0.0005"
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Extended
  • Seal Type Shielded
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Shield Material 300 Series Stainless Steel
  • Dynamic Radial Load 49 lbf
  • Static Radial Load 15 lbf
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 60300 rpm
  • Weight 0.48 g
  • Price（$） 3.942

Features

How Does SFRW144zz Bearing Reduce Friction?

SFRW144zz Bearing features stainless steel construction, ensuring smooth operation with minimal friction.
Its shielded design helps retain lubrication, further reducing wear and maintaining efficiency.

The extended inner ring provides better alignment, enhancing performance in radial load applications.
With a maximum speed of 60,300 rpm, it delivers reliable performance in high-speed scenarios.

SFRW144zz Bearing’s ABEC1 tolerance ensures consistent precision, suitable for miniature applications.
Its compact size and flanged design make it ideal for space-constrained installations.

Application

Common Applications of SFRW144zz Bearing
SFRW144zz Bearing is widely used in small electric motors, such as those found in drones and RC cars, where its compact size and shielded design keep dust out. The stainless steel construction ensures it handles light loads smoothly even at high speeds.

Where Is SFRW144zz Bearing Used?
You’ll often spot SFRW144zz Bearing in precision instruments like dental drills or optical devices, thanks to its ABEC1 tolerance. The extended inner ring makes it easier to mount in tight spaces, ideal for delicate equipment.

Built for Heavy-Duty Use: SFRW144zz Bearing
Despite its small size, SFRW144zz Bearing works well in conveyor belt rollers, where the flange adds stability. The stainless steel balls and cage resist corrosion, even in humid environments.

Automotive vs Aerospace: Applications of SFRW144zz Bearing
In automotive fuel pumps, SFRW144zz Bearing’s high-speed capability ensures reliable performance. For aerospace applications, its lightweight design and temperature resistance make it a go-to choice for small actuators.

Perfect Fit for Automation: SFRW144zz Bearing
SFRW144zz Bearing shines in robotic arms and 3D printers, where smooth rotation is key. The shielded design reduces maintenance needs, keeping downtime to a minimum in automated systems.

Q&A

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