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Stainless Steel Deep Groove Ball Bearings W 638/2.5-2Z

Stainless Steel Deep Groove Ball Bearings W 638/2.5-2Z

The W 638/2.5-2Z is a compact stainless steel deep groove ball bearing, measuring just 2.5mm by 6mm by 2.6mm. Its shielded design keeps out dust and dirt while retaining grease, making it low-maintenance.

This bearing handles radial loads up to 26 lbf and spins smoothly at speeds up to 85,000 RPM. The all-stainless construction resists corrosion and works in temperatures from -30°C to 120°C.

Its small size and shielded seals make it ideal for precision instruments or small electric motors. The bearing is interchangeable with SKF models, simplifying replacements.

Weighing only 0.000305kg, it’s lightweight yet durable for its size. Compliant with RoHS and REACH standards, it’s safe for various applications.

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Product Parameters

  • Part Number W 638/2.5-2Z
  • Brand TFL
  • Interchangeable SKF
  • 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
  • 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 26 lbf
  • Static Radial Load 8 lbf
  • Temperature Range -30° to 120 °C
  • Lubrication Grease
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 85000 rpm
  • Weight 0.000305 kg
  • Price（$） 1.81

Features

Why Choose W 638/2.5-2Z Bearing for Precision Tasks?

W 638/2.5-2Z Bearing is crafted with stainless steel rings and balls, ensuring corrosion resistance and durability.
Its compact size of 2.5 mm×6 mm×2.6 mm makes it ideal for precision instruments and small devices.
The shielded design protects against contaminants while maintaining smooth operation.
With a maximum speed of 85,000 rpm, it delivers reliable performance in high-speed applications.

Application

Where Is W 638/2.5-2Z Bearing Used?
W 638/2.5-2Z Bearing is commonly found in small precision instruments, such as medical devices and laboratory equipment, where its compact size and stainless steel construction are ideal.
The shielded design helps keep contaminants out, ensuring smooth operation in sensitive environments.

In consumer electronics, W 638/2.5-2Z Bearing is often used in devices like miniature fans and small motors, thanks to its reliable radial load handling.
Its high-speed capability makes it suitable for applications requiring consistent, low-friction movement.

For automation systems, W 638/2.5-2Z Bearing supports delicate mechanisms in robotics and 3D printers.
The stainless steel material ensures durability even in environments with occasional moisture or temperature fluctuations.

Q&A

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