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Inch Size Miniature Ball Bearings SR144
Inch Size Miniature Ball Bearings SR144

Inch Size Miniature Ball Bearings SR144

The SR144 is a miniature ball bearing with a compact size of 0.125″×0.25″×0.0937″, made 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 open design allows for easy lubrication, while the stainless steel cage ensures reliable performance in various conditions. The bearing operates well in temperatures ranging from -86°F to 230°F.

With an ABEC1 tolerance class and MC3 radial clearance, it offers a good balance of precision and affordability. Ideal for small devices like precision instruments or hobbyist projects where space is limited.

Weighing just 0.27g, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards, making it a safe choice for various applications.

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Product Parameters

  • Part Number SR144
  • 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 0.125"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.25"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.0937"
  • Width Tolerance -0.005" to 0"
  • Ball Dia 0.03941"
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material 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 0.27 g
  • Price($) 1.242

Features

Why Choose SR144 Bearing for Precision Tasks?

SR144 Bearing is crafted with stainless steel rings and balls, ensuring high precision and durability.
Its compact size of 0.125″×0.25″×0.0937″ makes it ideal for miniature applications.

The ABEC1 tolerance class guarantees consistent performance in radial load conditions.
With a dynamic radial load capacity of 49 lbf, it handles demanding tasks efficiently.

SR144 Bearing operates smoothly at speeds up to 60,300 rpm, balancing speed and reliability.
Its stainless steel construction resists corrosion, making it suitable for varied environments.

The open design simplifies lubrication, ensuring long-lasting performance with minimal maintenance.
This bearing is perfect for applications requiring precision and reliability in tight spaces.

Application

Key Fields for SR144 Bearing
SR144 Bearing is commonly used in small-scale industrial equipment, such as precision instruments and miniature motors, where its compact size and radial load capacity are beneficial. The stainless steel construction ensures durability in various operating conditions.

What Makes SR144 Bearing a Preferred Choice?
In consumer electronics like printers and small fans, SR144 Bearing provides smooth rotation due to its low friction and high-speed capability. Its inch sizing makes it a convenient fit for many American-made devices.

Built for Heavy-Duty Use: SR144 Bearing
Despite its small size, SR144 Bearing handles dynamic loads well, making it suitable for applications like dental tools or small robotic arms. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of SR144 Bearing
In automotive applications, SR144 Bearing can be found in dashboard instruments or small actuators, offering reliable performance. For aerospace, its lightweight and corrosion resistance make it ideal for navigation systems.

Perfect Fit for Automation: SR144 Bearing
SR144 Bearing works well in automated systems, such as small conveyor belts or 3D printers, where precision and repeatability are key. The ABEC1 tolerance ensures consistent performance without unnecessary complexity.

Q&A

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