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Flanged Deep Groove Ball Bearings W 638/3 R-2Z
Flanged Deep Groove Ball Bearings W 638/3 R-2Z

Flanged Deep Groove Ball Bearings W 638/3 R-2Z

The W 638/3 R-2Z is a compact flanged deep groove ball bearing, measuring just 3mm by 7mm with a small 8.1mm flange. Made entirely from stainless steel, it offers good corrosion resistance and durability.

This bearing handles radial loads up to 40 lbf and can spin at impressive speeds up to 80,000 RPM. Its shielded design helps keep grease in and contaminants out for smoother operation.

The built-in flange makes installation simpler, helping the bearing stay properly positioned in tight spaces. It’s lubricated with grease for maintenance-free operation.

Ideal for small precision devices like dental tools, miniature motors or optical equipment where space is limited. Compliant with RoHS and REACH standards for safe use in various applications.

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Product Parameters

  • Part Number W 638/3 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 3 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 7 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 3 mm
  • Width Tolerance -0.12mm to 0
  • Flange Outer Dia 8.1 mm
  • Flange Thickness 0.8 mm
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 40 lbf
  • Static Radial Load 13 lbf
  • Max Speed 80000 rpm
  • Temperature Range -30° to 120 °C
  • Lubrication Grease
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.00051 kg
  • Price($) 1.4

Features

How Is W 638/3 R-2Z Bearing Engineered for Reliability?

W 638/3 R-2Z Bearing features stainless steel rings and balls, offering excellent resistance to corrosion and wear.
Its shielded design protects against contaminants, ensuring smooth operation in various environments.

The compact size of W 638/3 R-2Z Bearing makes it ideal for applications where space is limited.
With a maximum speed of 80,000 rpm, it delivers efficient performance without compromising durability.

W 638/3 R-2Z Bearing’s grease lubrication reduces friction, extending its service life.
The flanged design provides secure mounting, preventing misalignment during operation.

Application

Where Is W 638/3 R-2Z Bearing Used?
W 638/3 R-2Z Bearing is commonly found in small electric motors, such as those used in cooling fans or miniature appliances. Its compact size and shielded design make it ideal for tight spaces where dust protection is needed.

In consumer electronics, W 638/3 R-2Z Bearing ensures smooth operation in devices like printers or handheld tools. The stainless steel construction offers good resistance to corrosion, extending the bearing’s lifespan.

For medical instruments, W 638/3 R-2Z Bearing provides reliable performance in delicate equipment like dental handpieces. The high-speed capability and low friction make it suitable for precision applications.

Automation systems also benefit from W 638/3 R-2Z Bearing, particularly in robotic arms or small conveyors. The flange design helps with easy mounting and alignment in assembly lines.

Household gadgets, such as electric toothbrushes or kitchen appliances, often use W 638/3 R-2Z Bearing for quiet and efficient operation. Its lightweight design doesn’t compromise on durability.

Q&A

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