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Stainless Steel Deep Groove Ball Bearings W 639
Stainless Steel Deep Groove Ball Bearings W 639

Stainless Steel Deep Groove Ball Bearings W 639

The W 639 is a compact stainless steel deep groove ball bearing, measuring 9mm in bore diameter and 30mm in outer diameter, with a width of 10mm. It handles radial loads up to 980 lbf and can spin at high speeds up to 36,000 RPM.

Its open design allows for easy lubrication, while the all-stainless steel construction ensures corrosion resistance and durability. The bearing operates smoothly in temperatures ranging from -30°C to 120°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. It’s ideal for applications like small motors, food processing equipment, or medical devices where hygiene and reliability are key.

Weighing just 0.033kg, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number W 639
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 9 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 30 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 10 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 980 lbf
  • Static Radial Load 522 lbf
  • Temperature Range -30° to 120 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 36000 rpm
  • Weight 0.033 kg

Features

How Does W 639 Bearing Reduce Friction?

W 639 Bearing features stainless steel construction, ensuring smooth operation with minimal friction.
Its single-row deep groove design enhances radial load capacity, supporting up to 980 lbf.

The open seal type allows for easy lubrication, maintaining performance over time.
With a maximum speed of 36,000 rpm, it delivers reliable efficiency in various applications.

W 639 Bearing operates in temperatures from -30° to 120°C, adapting to diverse environments.
Its lightweight design at 0.033 kg makes it suitable for compact machinery.

Application

Practical Applications of W 639 Bearing
W 639 Bearing is commonly used in industrial equipment like small pumps and electric motors, where its stainless steel construction resists corrosion in damp environments. The open design allows for easy lubrication, extending service life in continuous operations.

Where Is W 639 Bearing Used?
In automotive applications, W 639 Bearing fits well in auxiliary components such as alternators and cooling fans. Its metric sizing and radial load capacity make it a reliable choice for compact spaces.

Built for Versatility: W 639 Bearing
For medical devices like dental handpieces, W 639 Bearing offers smooth rotation due to its precision stainless steel balls. The P0 tolerance ensures consistent performance in sensitive equipment.

Automotive vs Industrial: Best Uses for W 639 Bearing
In consumer electronics, W 639 Bearing is ideal for small appliances like food processors due to its quiet operation. Its lightweight design also makes it suitable for portable devices.

Q&A

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