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Stainless Steel Deep Groove Ball Bearings W 618/1

Stainless Steel Deep Groove Ball Bearings W 618/1

The W 618/1 is a compact stainless steel deep groove ball bearing, measuring just 1mm by 3mm by 1mm. It’s designed for radial loads up to 12 lbf and can spin at speeds up to 150,000 RPM.

Made entirely from stainless steel, this bearing resists corrosion and works well in temperatures from -30°C to 120°C. Its open design allows for easy lubrication when needed.

This model is interchangeable with SKF bearings, making replacements straightforward. Ideal for small precision devices like watches or medical instruments where space is limited.

Weighing only 0.03 grams, it’s incredibly lightweight yet durable. Compliant with RoHS and REACH standards for safe use in various applications.

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Product Parameters

  • Part Number W 618/1
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 1 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 3 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 1 mm
  • Width Tolerance -0.04mm to 0
  • System of Measurement Metric
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Seal Type Open
  • Tolerance Class P0
  • Radial Clearance Trade No CN
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 12 lbf
  • Static Radial Load 3 lbf
  • Temperature Range -30° to 120 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 150000 rpm
  • Weight 3.0E-5 kg
  • Price（$） 2.69
Stainless Steel Deep Groove Ball Bearings W 618/1 dimension drawing
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Features

Why Choose W 618/1 Bearing for Precision Tasks?

W 618/1 Bearing is crafted from stainless steel, offering excellent resistance to corrosion and wear.
Its compact size of 1 mm×3 mm×1 mm makes it ideal for precision instruments and small devices.

The open design allows for easy lubrication, ensuring smooth operation at high speeds up to 150,000 rpm.
With a dynamic radial load capacity of 12 lbf, it handles light loads efficiently while maintaining durability.

W 618/1 Bearing operates in temperatures from -30° to 120 °C, suitable for various environments.
Its stainless steel construction ensures long service life with minimal maintenance required.

Application

Common Applications of W 618/1 Bearing
W 618/1 Bearing is widely used in small precision instruments, such as watches and medical devices, where its compact size and stainless steel construction are ideal. The open design ensures smooth rotation, even in delicate mechanisms.

In consumer electronics, W 618/1 Bearing can be found in devices like miniature fans or small motors, providing reliable performance with minimal maintenance. Its lightweight design makes it perfect for portable gadgets.

For automation systems, W 618/1 Bearing supports tiny robotic arms or sensors, where precision and durability are key. The high-speed capability ensures consistent operation in fast-paced environments.

Medical equipment like dental tools or lab instruments benefit from W 618/1 Bearing’s corrosion resistance and hygienic properties. It’s a trusted choice for applications requiring cleanliness and reliability.

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