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Flanged Deep Groove Ball Bearings W 638/2 R-2Z

Flanged Deep Groove Ball Bearings W 638/2 R-2Z

The W 638/2 R-2Z is a compact flanged deep groove ball bearing, measuring just 2mm by 6.1mm by 2.3mm. Made entirely from stainless steel, it offers good resistance to corrosion and wear.

This bearing handles radial loads up to 21 lbf and can spin at impressive speeds of up to 100,000 RPM. The shielded design helps keep grease in and contaminants out for reliable performance.

Its small flange provides secure mounting in tight spaces, while the P0 tolerance ensures smooth operation. The bearing works in temperatures from -30°C to 120°C.

Ideal for small precision devices like dental tools or miniature motors where space is limited. Compliant with RoHS and REACH standards, it’s a safe choice for various applications. Weighing only 0.000204kg, it’s remarkably light yet durable.

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Product Parameters

  • Part Number W 638/2 R-2Z
  • Brand TFL
  • Interchangeable SKF
  • System of Measurement Metric
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Seal Type Shielded
  • Tolerance Class P0
  • Radial Clearance Trade No CN
  • Bore Dia 2 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 5 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 2.3 mm
  • Width Tolerance -0.04mm to 0
  • Flange Outer Dia 6.1 mm
  • Flange Thickness 0.6 mm
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 21 lbf
  • Static Radial Load 6 lbf
  • Max Speed 100000 rpm
  • Temperature Range -30° to 120 °C
  • Lubrication Grease
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.000204 kg
  • Price（$） 1.4
Flanged Deep Groove Ball Bearings W 638/2 R-2Z dimension drawing
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Features

Why Choose W 638/2 R-2Z Bearing for Precision Tasks?

W 638/2 R-2Z Bearing is crafted with stainless steel rings and balls, ensuring corrosion resistance and durability.
Its compact size of 2 mm×6.1 mm×2.3 mm makes it ideal for precision applications where space is limited.
The shielded design protects against contaminants while maintaining smooth operation at speeds up to 100,000 rpm.
With a dynamic radial load capacity of 21 lbf, it delivers reliable performance in demanding conditions.

Application

Common Applications of W 638/2 R-2Z Bearing
W 638/2 R-2Z Bearing is commonly used in small electric motors, such as those found in cooling fans or miniature appliances, where its compact size and shielded design keep dust out. The stainless steel construction ensures it handles light loads efficiently while resisting corrosion.

In automation systems, W 638/2 R-2Z Bearing fits neatly into robotic arms or precision actuators, thanks to its low-profile flange and smooth operation. Its high-speed capability makes it suitable for repetitive movements without overheating.

For medical devices like dental tools or diagnostic equipment, W 638/2 R-2Z Bearing offers quiet performance and reliability. The grease lubrication ensures long service life even in sterilised environments.

Around the home, you might find W 638/2 R-2Z Bearing in gadgets like electric toothbrushes or small printers, where space is limited but consistent rotation is needed. Its lightweight design doesn’t add bulk to portable devices.

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