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Flanged Deep Groove Ball Bearings W 628/9 R-2Z

Flanged Deep Groove Ball Bearings W 628/9 R-2Z

The W 628/9 R-2Z is a compact flanged deep groove ball bearing, measuring 9mm by 17mm with a 5mm width. Made entirely from stainless steel, it offers good resistance to corrosion and wear.

This bearing handles radial loads up to 171 lbf and can spin at speeds up to 43,000 RPM, making it suitable for high-speed applications. The shielded design helps keep contaminants out while retaining lubrication.

Its small flange (19mm outer diameter) provides secure mounting in tight spaces. Weighing just 4.6 grams, it’s lightweight yet durable for its size.

Ideal for small electric motors, medical devices or precision instruments where space is limited. Compliant with RoHS and REACH standards for safe use in various environments.

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Product Parameters

  • Part Number W 628/9 R-2Z
  • Brand TFL
  • Interchangeable SKF
  • 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
  • Bore Dia 9 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 17 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 5 mm
  • Width Tolerance -0.12mm to 0
  • Flange Outer Dia 19 mm
  • Flange Thickness 1.1 mm
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 171 lbf
  • Static Radial Load 75 lbf
  • Max Speed 43000 rpm
  • Temperature Range -30° to 120 °C
  • Lubrication Grease
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.0046 kg
  • Price（$） 2.4
Flanged Deep Groove Ball Bearings W 628/9 R-2Z dimension drawing
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Features

How Does W 628/9 R-2Z Bearing Reduce Friction?

W 628/9 R-2Z Bearing features stainless steel rings and balls, ensuring smooth operation with minimal friction.
Its shielded design helps retain lubrication, further reducing wear and enhancing performance.
The single-row construction and precise tolerances contribute to efficient radial load handling.
With a maximum speed of 43,000 rpm, it is suitable for high-speed applications.

Application

Common Applications of W 628/9 R-2Z Bearing
W 628/9 R-2Z Bearing is widely used in small electric motors, where its compact size and shielded design help protect against dust and debris. The stainless steel construction also makes it suitable for environments where corrosion resistance is important.

In consumer electronics like printers and small fans, W 628/9 R-2Z Bearing ensures quiet and smooth operation. Its flange design provides easy mounting, saving time during assembly.

For automation equipment, W 628/9 R-2Z Bearing supports precise movements in components like robotic arms. The high-speed capability makes it a reliable choice for repetitive tasks.

Medical devices such as dental tools benefit from W 628/9 R-2Z Bearing’s consistent performance and hygiene-friendly materials. The grease lubrication ensures long service life with minimal maintenance.

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