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Stainless Steel Deep Groove Ball Bearings W 638/8-2Z

Stainless Steel Deep Groove Ball Bearings W 638/8-2Z

The W 638/8-2Z is a compact stainless steel deep groove ball bearing, measuring 8mm by 16mm by 6mm. It’s designed for radial loads and features a shielded construction to keep out dust and debris.

With a dynamic radial load capacity of 161 lbf, it handles moderate forces while spinning smoothly at up to 45,000 RPM. The all-stainless steel build resists corrosion and lasts longer in harsh conditions.

Its shielded design helps retain grease, reducing maintenance needs. The bearing stays reliable in temperatures from -30°C to 120°C.

This model is interchangeable with SKF bearings, making replacements easy. Ideal for small machinery, medical devices, or food processing equipment where hygiene and durability matter. Weighing just 4.6 grams, it’s lightweight yet sturdy.

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Product Parameters

  • Part Number W 638/8-2Z
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 8 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 16 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 6 mm
  • Width Tolerance -0.12mm 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 161 lbf
  • Static Radial Load 67 lbf
  • Temperature Range -30° to 120 °C
  • Lubrication Grease
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 45000 rpm
  • Weight 0.0046 kg
Stainless Steel Deep Groove Ball Bearings W 638/8-2Z dimension drawing
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Features

Why Choose W 638/8-2Z Bearing for Precision Tasks?

W 638/8-2Z Bearing is crafted from stainless steel, offering excellent resistance to corrosion and wear.
Its shielded design keeps contaminants out, ensuring smooth operation in various environments.

With a dynamic radial load capacity of 161 lbf, it handles precise radial loads effectively.
The grease lubrication reduces friction, allowing speeds up to 45,000 rpm.

Its compact size (8 mm×16 mm×6 mm) makes it ideal for applications where space is limited.
The stainless steel cage enhances durability, making it a reliable choice for long-term use.

Application

Common Applications of W 638/8-2Z Bearing
W 638/8-2Z Bearing is widely used in small electric motors, such as those found in household appliances like blenders or fans. Its stainless steel construction makes it resistant to corrosion, ideal for damp environments.

How Does W 638/8-2Z Bearing Support High-Speed Operations?
With a maximum speed of 45,000 rpm, W 638/8-2Z Bearing works well in precision instruments like dental drills or small robotics. The shielded design keeps contaminants out while maintaining smooth rotation.

Perfect Fit for Automation: W 638/8-2Z Bearing
In automated systems, W 638/8-2Z Bearing ensures reliable performance in compact spaces, such as conveyor belt guides or 3D printer components. Its metric sizing allows for easy integration into European-designed machinery.

Medical vs Industrial: Where W 638/8-2Z Bearing Excels
W 638/8-2Z Bearing is suitable for medical devices like insulin pumps due to its hygienic stainless steel build. In industrial settings, it handles light radial loads in machinery like packaging equipment.

Designed for Versatility: W 638/8-2Z Bearing
From food processing equipment to laboratory devices, W 638/8-2Z Bearing offers durability and low maintenance. The grease lubrication ensures long-lasting performance without frequent servicing.

Q&A

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