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Stainless Steel Deep Groove Ball Bearings W 619/4

Stainless Steel Deep Groove Ball Bearings W 619/4

The W 619/4 is a compact stainless steel deep groove ball bearing, measuring just 4mm by 11mm by 4mm. Its single-row design handles radial loads up to 121 lbf and spins smoothly at speeds up to 80,000 RPM.

Made entirely from stainless steel, it resists corrosion and works in temperatures from -30°C to 120°C. The open design allows easy access for lubrication when needed.

This bearing is interchangeable with SKF models, making it a practical choice for replacements. It’s ideal for small devices like medical instruments or precision tools where space is limited.

Weighing only 0.0015kg, it’s lightweight yet durable. Compliant with RoHS and REACH standards, it’s safe for various applications.

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Product Parameters

  • Part Number W 619/4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 4 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 11 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 4 mm
  • Width Tolerance -0.12mm 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 121 lbf
  • Static Radial Load 40 lbf
  • Temperature Range -30° to 120 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 80000 rpm
  • Weight 0.0015 kg
Stainless Steel Deep Groove Ball Bearings W 619/4 dimension drawing
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Features

Why Choose W 619/4 Bearing for Precision Tasks?

W 619/4 Bearing is crafted from stainless steel, offering excellent resistance to corrosion and wear.
Its compact size of 4 mm×11 mm×4 mm makes it ideal for applications where space is limited.

The open design allows for easy lubrication, ensuring smooth operation even at high speeds up to 80,000 rpm.
With a dynamic radial load capacity of 121 lbf, it handles demanding radial loads reliably.

W 619/4 Bearing’s single-row construction provides stability and precision in various applications.
Its P0 tolerance class ensures consistent performance, making it a dependable choice for precision tasks.

Application

Common Applications of W 619/4 Bearing
W 619/4 Bearing is widely used in small electric motors, such as those found in cooling fans or miniature pumps, thanks to its compact 4mm bore size and stainless steel construction. Its open design allows for easy lubrication, ensuring smooth operation in continuous-use scenarios.

In medical devices like dental handpieces or lab equipment, W 619/4 Bearing offers reliable performance due to its corrosion-resistant stainless steel components. The high-speed capability (up to 80,000 rpm) makes it suitable for precision instruments requiring consistent rotation.

For consumer electronics, W 619/4 Bearing is often found in compact devices like camera lenses or small printers where space is limited. The lightweight design (only 0.0015kg) helps maintain portability without compromising on durability.

Automation systems benefit from W 619/4 Bearing in applications like robotic joint movements or sensor mounts, where its radial load capacity handles directional forces effectively. The metric sizing ensures compatibility with various international component standards.

Q&A

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