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Flanged Deep Groove Ball Bearings W 638/2.5 R-2Z

Flanged Deep Groove Ball Bearings W 638/2.5 R-2Z

The W 638/2.5 R-2Z is a compact flanged deep groove ball bearing, measuring just 2.5mm by 6mm by 2.6mm, with a stainless steel construction for durability. It handles radial loads up to 26 lbf and spins at speeds up to 85,000 RPM, making it suitable for high-speed applications.

Its shielded design keeps grease in and contaminants out, while the flange ensures secure mounting in tight spaces. The bearing operates smoothly in temperatures from -30°C to 120°C.

This model is interchangeable with SKF bearings, offering a reliable replacement option. Ideal for small devices like precision instruments or miniature motors where space is limited.

Weighing only 0.000405kg, it’s lightweight yet robust. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number W 638/2.5 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 2.5 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 6 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 2.6 mm
  • Width Tolerance -0.04mm to 0
  • Flange Outer Dia 7.1 mm
  • Flange Thickness 0.8 mm
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 26 lbf
  • Static Radial Load 8 lbf
  • Max Speed 85000 rpm
  • Temperature Range -30° to 120 °C
  • Lubrication Grease
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.000405 kg
  • Price（$） 1.4

Features

How Does W 638/2.5 R-2Z Bearing Reduce Friction?

W 638/2.5 R-2Z Bearing features stainless steel construction, ensuring smooth operation with minimal friction.
Its shielded design helps keep contaminants out, maintaining consistent performance over time.

The single-row deep groove design allows for efficient radial load handling, up to 26 lbf.
With a maximum speed of 85,000 rpm, it is suitable for high-speed applications.

W 638/2.5 R-2Z Bearing operates in temperatures from -30° to 120°C, making it versatile for various environments.
Its compact size and lightweight design ensure easy integration into small assemblies.

Application

Where Is W 638/2.5 R-2Z Bearing Used?
W 638/2.5 R-2Z Bearing is commonly found in small precision instruments, such as medical devices and lab equipment, where its compact size and shielded design keep contaminants out. The stainless steel construction ensures it performs well in environments requiring corrosion resistance.

In consumer electronics, W 638/2.5 R-2Z Bearing is often used in devices like miniature fans or small motors, providing smooth rotation with minimal noise. Its lightweight design makes it ideal for applications where space and weight are critical factors.

For automation systems, W 638/2.5 R-2Z Bearing supports delicate mechanisms in robotics or 3D printers, where precision and reliability are key. The high-speed capability allows it to handle rapid movements without compromising performance.

In dental tools or surgical instruments, W 638/2.5 R-2Z Bearing’s small dimensions and grease lubrication ensure quiet, efficient operation. The flange design also helps with easy mounting in tight spaces.

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