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Inch Size Miniature Ball Bearings SR2-5zz

Inch Size Miniature Ball Bearings SR2-5zz

The SR2-5zz is a miniature ball bearing with a compact size of 0.125″×0.3125″×0.1406″, made entirely from stainless steel for durability. It handles radial loads up to 96 lbf and can spin at speeds up to 54,000 RPM.

Its shielded design helps keep out dust while retaining lubrication, making it low-maintenance. The bearing operates smoothly in temperatures from -86°F to 230°F.

With six stainless steel balls and an ABEC1 tolerance class, it offers reliable performance for small-scale applications. Ideal for use in miniature motors, medical devices, or precision instruments where space is limited.

Weighing just 0.74g, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number SR2-5zz
  • 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 6
  • Bore Dia 0.125"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.3125"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.1406"
  • Width Tolerance -0.005" to 0"
  • Ball Dia 0.06252"
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Shield Material 300 Series Stainless Steel
  • Dynamic Radial Load 96 lbf
  • Static Radial Load 29 lbf
  • Max Speed 54000 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.74 g
  • Price（$） 1.242
Inch Size Miniature Ball Bearings SR2-5zz dimension drawing
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Features

Why Choose SR2-5zz Bearing for Precision Tasks?

SR2-5zz Bearing features stainless steel rings and balls, offering reliable performance in precision applications.
Its shielded design protects against contaminants, ensuring smooth operation in various environments.

With a dynamic radial load capacity of 96 lbf, SR2-5zz Bearing handles demanding radial loads efficiently.
The ABEC1 tolerance class ensures consistent performance, making it suitable for high-precision instruments.

SR2-5zz Bearing operates at speeds up to 54,000 rpm, balancing speed and durability.
Its compact size of 0.125″×0.3125″×0.1406″ makes it ideal for miniature applications.

Application

Common Applications of SR2-5zz Bearing
SR2-5zz Bearing is widely used in small electric motors, such as those found in cooling fans or power tools, where its compact size and shielded design help keep dust out. The stainless steel construction ensures it can handle moderate loads without corroding.

How Does SR2-5zz Bearing Improve Performance?
In automation systems, SR2-5zz Bearing reduces friction in moving parts like robotic arms, allowing for smoother motion. Its ABEC1 tolerance provides reliable precision for everyday industrial tasks.

Perfect Fit for Automation: SR2-5zz Bearing
SR2-5zz Bearing works well in 3D printers, supporting the smooth movement of print heads. The shielded seals help maintain performance by preventing debris from entering the bearing.

Light-Duty vs Heavy-Duty: Best Uses for SR2-5zz Bearing
For light-duty applications like small appliances, SR2-5zz Bearing offers quiet operation and long service life. In heavier settings, it’s best suited for low-load mechanisms due to its smaller size.

Medical vs Industrial: Where SR2-5zz Bearing Excels
In medical devices like dental tools, SR2-5zz Bearing provides smooth rotation with minimal noise. Its stainless steel build also makes it suitable for lab equipment where cleanliness matters.

Q&A

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