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Flanged Deep Groove Ball Bearings W 638/5 R-2Z

Flanged Deep Groove Ball Bearings W 638/5 R-2Z

The W 638/5 R-2Z is a compact flanged deep groove ball bearing, measuring 5mm by 12.5mm by 5mm, with a stainless steel construction for durability. It handles radial loads up to 91 lbf and spins smoothly at speeds up to 60,000 RPM.

Its shielded design keeps out dust and debris, while the flange ensures secure mounting in tight spaces. The stainless steel cage and balls provide reliable performance in various conditions.

This bearing operates well in temperatures from -30°C to 120°C and comes pre-lubricated with grease for easy use. It’s interchangeable with SKF bearings, making it a practical choice for replacements.

Weighing just 0.002kg, it’s ideal for small applications like electric motors or precision instruments where space is limited. Compliant with RoHS and REACH standards for safety and environmental friendliness.

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Product Parameters

  • Part Number W 638/5 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 5 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 11 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 5 mm
  • Width Tolerance -0.12mm to 0
  • Flange Outer Dia 12.5 mm
  • Flange Thickness 1 mm
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 91 lbf
  • Static Radial Load 32 lbf
  • Max Speed 60000 rpm
  • Temperature Range -30° to 120 °C
  • Lubrication Grease
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.002 kg
  • Price（$） 1.7
Flanged Deep Groove Ball Bearings W 638/5 R-2Z dimension drawing
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Features

Why Choose W 638/5 R-2Z Bearing for Precision Tasks?

W 638/5 R-2Z Bearing is crafted with stainless steel rings and balls, ensuring smooth operation in radial load applications.
Its compact size (5 mm×12.5 mm×5 mm) makes it ideal for precision instruments where space is limited.
The shielded design protects against contaminants, maintaining performance in various environments.
With a maximum speed of 60,000 rpm, it delivers reliable efficiency for high-speed applications.

Application

Common Applications of W 638/5 R-2Z Bearing
W 638/5 R-2Z Bearing is widely used in small electric motors, such as those found in household appliances or cooling fans. Its compact size and shielded design make it ideal for spaces where dust protection is needed.

In automation systems, W 638/5 R-2Z Bearing ensures smooth operation in miniature robotic arms or precision-guided mechanisms. The stainless steel construction offers good resistance to corrosion in humid environments.

For medical devices like dental tools or lab equipment, W 638/5 R-2Z Bearing provides reliable performance due to its low friction and high-speed capability. The grease lubrication ensures quiet operation, which is essential in sensitive settings.

You’ll also find W 638/5 R-2Z Bearing in consumer electronics, such as printers or small gadgets, where its lightweight and durability are key advantages. The flange design helps with easy mounting in tight spaces.

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