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Inch Size Miniature Ball Bearings SR4 2rs

Inch Size Miniature Ball Bearings SR4 2rs

The SR4 2rs is a small sealed ball bearing with a 0.25″ bore and 0.625″ outer diameter, made entirely from stainless steel for durability. It handles radial loads up to 255 lbf and spins smoothly at speeds up to 34,200 RPM.

Its double rubber seals keep out dust and moisture, while the stainless steel cage ensures long-lasting performance. The bearing operates in temperatures from -86°F to 230°F, making it versatile for various environments.

With ABEC1 precision and MC3 clearance, it offers reliable performance for small machinery. Ideal for applications like small motors, dental tools, or precision instruments where compact size and protection are key.

Weighing just 4.54g, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a safe choice for various industries.

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Product Parameters

  • Part Number SR4 2rs
  • Brand TFL
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Seal Type Sealed
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Radial Clearance 0.00008" to 0.0005"
  • Ball Qty 8
  • Bore Dia 0.25"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.625"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.196"
  • Width Tolerance -0.005" to 0"
  • Ball Dia 0.09370"
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Shield Material Nitrile Rubber
  • Dynamic Radial Load 255 lbf
  • Static Radial Load 101 lbf
  • Max Speed 34200 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 4.54 g
  • Price（$） 1.026
Inch Size Miniature Ball Bearings SR4 2rs dimension drawing
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Features

Why Choose SR4 2rs Bearing for Precision Tasks?

SR4 2rs Bearing features stainless steel construction, ensuring durability and resistance to corrosion.
Its sealed design with nitrile rubber shields protects against contaminants, maintaining smooth operation.

With a dynamic radial load capacity of 255 lbf, SR4 2rs Bearing handles demanding radial loads efficiently.
The ABEC1 tolerance class ensures consistent performance in precision applications.

SR4 2rs Bearing operates at speeds up to 34,200 rpm, making it suitable for high-speed machinery.
Its compact size of 0.25″×0.625″×0.196″ fits perfectly in miniature applications.

Application

Where Is SR4 2rs Bearing Used?
SR4 2rs Bearing is commonly used in small machinery and devices, such as electric motors and dental tools, where its compact size and sealed design are beneficial. The stainless steel construction ensures it can handle moisture and light corrosion.

In automation systems, SR4 2rs Bearing fits well in robotic joints and small actuators, providing smooth rotation with minimal maintenance. Its ABEC1 tolerance offers reliable performance for precise movements.

For consumer electronics like printers and small fans, SR4 2rs Bearing’s low noise and durability make it a practical choice. The nitrile rubber seal helps keep out dust and prolongs bearing life.

The inch sizing of SR4 2rs Bearing makes it compatible with many North American and UK-made devices. Its lightweight design is ideal for applications where space and weight are critical factors.

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