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Inch Size Miniature Ball Bearings SR1-4zz

Inch Size Miniature Ball Bearings SR1-4zz

The SR1-4zz is a miniature ball bearing with a 0.07813″ bore and 0.25″ 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 contaminants out while maintaining easy lubrication access. The stainless steel cage and balls ensure consistent performance in temperatures from -86°F to 230°F.

With ABEC1 precision and MC3 clearance, it offers reliable operation for small-scale applications. Ideal for precision instruments, small motors, or hobbyist projects where compact size matters.

Weighing just 0.53g, it’s lightweight yet robust. Compliant with RoHS and REACH standards for safe use in various environments.

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Product Parameters

  • Part Number SR1-4zz
  • 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 0.07813"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.25"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.1406"
  • 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 0.53 g
  • Price（$） 2.106
Inch Size Miniature Ball Bearings SR1-4zz dimension drawing
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Features

Why Choose SR1-4zz Bearing for Precision Tasks?

SR1-4zz Bearing is crafted with stainless steel rings and balls, ensuring precision in radial load applications.
Its dynamic radial load capacity of 49 lbf makes it suitable for delicate yet demanding tasks.

The shielded design protects SR1-4zz Bearing from contaminants, maintaining smooth operation.
With a maximum speed of 60,300 rpm, it excels in high-speed miniature applications.

SR1-4zz Bearing’s ABEC1 tolerance ensures consistent performance in precision instruments.
The stainless steel cage and shields enhance durability while reducing maintenance needs.

Application

Common Applications of SR1-4zz Bearing
SR1-4zz Bearing is widely used in small electric motors, such as those found in cooling fans and power tools. Its compact inch size and shielded design make it ideal for tight spaces where dust protection is needed.

In robotics, SR1-4zz Bearing ensures smooth movement in joints and gears, thanks to its stainless steel construction and low friction. The ABEC1 tolerance provides reliable precision for automated systems.

For medical devices like dental handpieces, SR1-4zz Bearing offers quiet operation and resistance to corrosion. Its lightweight design is perfect for handheld instruments requiring high-speed performance.

In consumer electronics, SR1-4zz Bearing can be found in devices like printers and small appliances. The shielded seals help extend its lifespan by keeping contaminants out.

Q&A

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