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Stainless Steel Deep Groove Ball Bearings W 638/2 X-2Z

Stainless Steel Deep Groove Ball Bearings W 638/2 X-2Z

The W 638/2 X-2Z is a compact stainless steel deep groove ball bearing, measuring just 2mm by 5mm by 2.5mm. It handles radial loads up to 21 lbf and spins smoothly at speeds up to 100,000 RPM.

Its shielded design keeps grease in and dirt out, while the all-stainless construction resists corrosion. The bearing works well in temperatures from -30°C to 120°C.

This model is interchangeable with SKF bearings, making it a handy replacement option. Ideal for small devices like medical instruments or precision tools where space is limited.

Weighing only 0.000204kg, it’s lightweight yet durable. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number W 638/2 X-2Z
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 2 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 5 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 2.5 mm
  • Width Tolerance -0.04mm to 0
  • 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
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 21 lbf
  • Static Radial Load 6 lbf
  • Temperature Range -30° to 120 °C
  • Lubrication Grease
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 100000 rpm
  • Weight 0.000204 kg
Stainless Steel Deep Groove Ball Bearings W 638/2 X-2Z dimension drawing
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Features

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

W 638/2 X-2Z Bearing is crafted with stainless steel rings and balls, offering excellent corrosion resistance for precise applications.
Its compact size of 2 mm×5 mm×2.5 mm makes it ideal for small, high-precision devices.

The shielded design protects against contaminants while maintaining smooth operation.
With a maximum speed of 100,000 rpm, it ensures reliable performance in high-speed environments.

W 638/2 X-2Z Bearing’s grease lubrication reduces friction, enhancing its longevity.
Its dynamic radial load capacity of 21 lbf provides dependable support in radial load scenarios.

Application

Common Applications of W 638/2 X-2Z Bearing
W 638/2 X-2Z Bearing is widely used in small precision instruments, such as medical devices and laboratory equipment, where its compact size and stainless steel construction are beneficial.
The shielded design helps keep out contaminants, making it suitable for environments where cleanliness is important.

How Does W 638/2 X-2Z Bearing Improve Performance?
In consumer electronics like miniature fans and small motors, W 638/2 X-2Z Bearing ensures smooth rotation with minimal noise.
Its high-speed capability and grease lubrication make it a reliable choice for continuous operation.

Ideal for Precision: W 638/2 X-2Z Bearing
W 638/2 X-2Z Bearing works well in automation systems, particularly in small robotic arms and 3D printers, where precise movement is required.
The stainless steel material provides good resistance to corrosion, extending the bearing’s lifespan in various conditions.

Medical vs Industrial: Where W 638/2 X-2Z Bearing Excels
In medical applications, W 638/2 X-2Z Bearing is often found in delicate surgical tools due to its small size and reliability.
For industrial uses, it supports small machinery components where space is limited but performance cannot be compromised.

Q&A

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