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Inch Size Miniature Ball Bearings SR144zz
Inch Size Miniature Ball Bearings SR144zz

Inch Size Miniature Ball Bearings SR144zz

The SR144zz is a small, shielded ball bearing measuring 0.125″ in bore diameter and 0.25″ in outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 49 lbf and spins smoothly at speeds up to 60,300 RPM.

Its shielded design keeps dust out while maintaining easy access for lubrication, and the stainless steel cage ensures long-lasting performance. The bearing operates efficiently in temperatures ranging from -86°F to 230°F.

With an ABEC1 tolerance class, it offers reliable precision for everyday applications. Ideal for small devices like hobby motors or precision instruments where space is limited.

Weighing just 0.4 grams, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards, making it safe for various uses.

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Product Parameters

  • Part Number SR144zz
  • Brand TFL
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Seal Type Shielded
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Radial Clearance 0.00008" to 0.0005"
  • Ball Qty 7
  • 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"
  • Ball Dia 0.03941"
  • 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
  • Max Speed 60300 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.4 g
  • Price($) 1.242

Features

How Does SR144zz Bearing Reduce Friction?

SR144zz Bearing features stainless steel rings and balls, ensuring smooth operation with minimal friction.
The shielded design helps keep contaminants out, maintaining consistent performance over time.

With a dynamic radial load capacity of 49 lbf, it handles light to moderate loads efficiently.
Its ABEC1 tolerance class ensures reliable precision for various applications.

The bearing operates at speeds up to 60,300 rpm, making it suitable for high-speed uses.
Stainless steel construction also provides good resistance to corrosion and wear.

Easy to install and maintain, SR144zz Bearing is a practical choice for miniature applications.
Its compact size and lightweight design make it ideal for space-constrained environments.

Application

Where Is SR144zz Bearing Used?
SR144zz Bearing is commonly found in small-scale industrial equipment, such as miniature motors and precision instruments, where its compact size and shielded design help maintain performance in tight spaces. The stainless steel construction ensures durability even in demanding environments.

In the automotive sector, SR144zz Bearing supports components like dashboard instruments and small actuators, thanks to its reliable radial load handling. Its inch sizing makes it a convenient choice for manufacturers adhering to imperial measurements.

For medical devices, SR144zz Bearing’s smooth operation is ideal for delicate applications like dental tools or diagnostic equipment. The shielded design helps keep contaminants out, ensuring consistent performance over time.

In consumer electronics, SR144zz Bearing is often used in devices like computer fans and small printers, where low noise and high-speed capabilities are key. Its lightweight design also contributes to energy efficiency in portable gadgets.

Q&A

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