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Inch Size Miniature Ball Bearings R188 2rs
Inch Size Miniature Ball Bearings R188 2rs

Inch Size Miniature Ball Bearings R188 2rs

The R188 2rs is a small, sealed ball bearing measuring 0.25″ by 0.5″ by 0.1875″, made from durable chrome steel. It handles radial loads up to 207 lbf and spins smoothly at speeds up to 40,000 RPM.

Its double rubber seals keep dirt out and grease in, while the stainless steel cage ensures reliable performance. The bearing operates in temperatures from -86°F to 230°F, making it versatile for various conditions.

With ABEC1 precision and MC3 clearance, it offers good balance between performance and cost. Ideal for small machinery, hobby projects, or applications where space is limited.

Weighing just 2.32g, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number R188 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 0.5"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.1875"
  • Width Tolerance -0.005" to 0"
  • Ball Dia 0.07870"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Shield Material Nitrile Rubber
  • Dynamic Radial Load 207 lbf
  • Static Radial Load 80 lbf
  • Max Speed 40000 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 2.32 g
  • Price($) 1.035

Features

Why Choose R188 2rs Bearing for Precision Tasks?

R188 2rs Bearing features a sealed design with nitrile rubber shields, protecting against dust and moisture.
Its chrome steel construction ensures durability and smooth operation in radial load applications.

With a dynamic radial load capacity of 207 lbf, R188 2rs Bearing handles demanding tasks efficiently.
The stainless steel cage maintains ball alignment, reducing friction and extending service life.

R188 2rs Bearing operates at speeds up to 40,000 rpm, making it suitable for high-speed applications.
Its compact size of 0.25″×0.5″×0.1875″ fits perfectly in miniature equipment.

The ABEC1 tolerance class ensures reliable performance in precision instruments.
R188 2rs Bearing works in temperatures from -86 to 230 °F, adapting to various environments.

Application

Where Is R188 2rs Bearing Used?
R188 2rs Bearing is commonly found in small-scale machinery, such as precision instruments and hobbyist tools, where its compact size and sealed design prevent dust ingress. The chrome steel construction ensures durability even in high-speed applications.

In automotive applications, R188 2rs Bearing fits well in small electric motors and dashboard components, thanks to its reliable radial load handling. The nitrile rubber seals also help keep lubrication in and contaminants out.

For consumer electronics, R188 2rs Bearing works smoothly in devices like printers and small fans, where quiet operation is essential. Its ABEC1 tolerance class provides a good balance of performance and affordability for everyday use.

In robotics, R188 2rs Bearing supports lightweight joints and gears, ensuring smooth movement without adding bulk. The stainless steel cage further enhances its longevity in repetitive motion scenarios.

Q&A

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