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Flanged Deep Groove Ball Bearings D/W R188 R

Flanged Deep Groove Ball Bearings D/W R188 R

The D/W R188 R is a flanged deep groove ball bearing with a 0.25″ bore and 0.5″ outer diameter, crafted entirely from stainless steel for durability. It handles radial loads up to 139 lbf and spins smoothly at speeds up to 67,000 RPM.

Its single-row design and open seal make it easy to maintain, while the flange ensures secure mounting in compact spaces. The bearing operates reliably in temperatures from -30°C to 120°C.

This model is interchangeable with SKF bearings, offering a practical replacement option. Ideal for small machinery or instruments where space is limited and radial loads are common.

Weighing just 0.0016kg, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number D/W R188 R
  • Brand TFL
  • Interchangeable SKF
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Seal Type Open
  • Tolerance Class P0
  • Radial Clearance Trade No CN
  • Bore Dia 0.25"
  • Bore Dia Tolerance -0.00019" to 0.00019"
  • Outer Dia 0.5"
  • Outer Dia Tolerance -0.0007" to -0.00031"
  • Width 0.125"
  • Width Tolerance -0.005" to 0"
  • Flange Outer Dia 0.54701"
  • Flange Thickness 0.02299"
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 139 lbf
  • Static Radial Load 50 lbf
  • Max Speed 67000 rpm
  • Temperature Range -30° to 120 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.0016 kg
  • Price（$） 1.3
Flanged Deep Groove Ball Bearings D/W R188 R dimension drawing
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Features

Why Choose D/W R188 R Bearing for Precision Tasks?

D/W R188 R Bearing features a stainless steel construction, ensuring corrosion resistance and durability.
Its single-row design with a flange provides stable radial load handling, up to 139 lbf dynamic capacity.
The open seal type allows for easy lubrication, while the precision tolerances ensure smooth operation.
With a maximum speed of 67,000 rpm, it is ideal for high-speed applications requiring reliability.

Application

Where Is D/W R188 R Bearing Used?
D/W R188 R Bearing is commonly used in small machinery and instruments where space is limited, thanks to its compact flanged design. The stainless steel construction ensures it performs well in environments requiring corrosion resistance.

In automation systems, D/W R188 R Bearing fits neatly into robotic arms and precision equipment, providing smooth radial load support. Its inch sizing makes it a convenient choice for North American machinery standards.

For consumer electronics like printers and small fans, D/W R188 R Bearing offers reliable performance with minimal maintenance. The open seal design allows for easy lubrication if needed, extending its service life.

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