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Flanged Deep Groove Ball Bearings W 639/1.5 R-2Z

Flanged Deep Groove Ball Bearings W 639/1.5 R-2Z

The W 639/1.5 R-2Z is a compact flanged deep groove ball bearing, measuring just 1.5mm by 5mm by 2.6mm, with a stainless steel construction for durability. It handles radial loads up to 30 lbf and spins smoothly at speeds up to 100,000 RPM.

Its shielded design keeps dust out while the flange ensures secure mounting in tight spaces. The stainless steel cage and balls provide long-lasting performance with minimal maintenance.

This bearing is ideal for small, high-speed applications like miniature motors or precision instruments. It operates in temperatures from -30°C to 120°C and comes pre-lubricated with grease.

Weighing only 0.000305kg, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a reliable choice for replacements, interchangeable with SKF bearings.

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Product Parameters

  • Part Number W 639/1.5 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 1.5 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 5 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 2.6 mm
  • Width Tolerance -0.04mm to 0
  • Flange Outer Dia 6.5 mm
  • Flange Thickness 0.8 mm
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 30 lbf
  • Static Radial Load 8 lbf
  • Max Speed 100000 rpm
  • Temperature Range -30° to 120 °C
  • Lubrication Grease
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.000305 kg
  • Price（$） 1.4

Features

How Is W 639/1.5 R-2Z Bearing Engineered for Reliability?

W 639/1.5 R-2Z Bearing features a stainless steel construction, ensuring resistance to corrosion and wear.
Its shielded design protects against contaminants, making it suitable for various environments.

The flanged outer ring provides secure mounting, reducing misalignment risks during operation.
With a maximum speed of 100,000 rpm, it offers smooth performance in high-speed applications.

W 639/1.5 R-2Z Bearing’s compact size and lightweight design make it ideal for precision instruments.
Its grease lubrication ensures consistent performance with minimal maintenance.

Application

Practical Applications of W 639/1.5 R-2Z Bearing
W 639/1.5 R-2Z Bearing is commonly used in small precision instruments, such as watch movements and miniature motors, where its compact size and shielded design protect against dust.
The stainless steel construction ensures durability in humid environments, making it suitable for medical devices like dental tools or lab equipment.

How Does W 639/1.5 R-2Z Bearing Improve Performance?
In consumer electronics, W 639/1.5 R-2Z Bearing provides smooth rotation for tiny fans or camera lenses, thanks to its low-friction design.
The flange offers easy mounting in tight spaces, ideal for compact devices like hearing aids or miniature drones.

Built for Heavy-Duty Use: W 639/1.5 R-2Z Bearing
Despite its small size, W 639/1.5 R-2Z Bearing handles radial loads well in industrial sensors or pneumatic tools.
The grease lubrication ensures quiet operation, perfect for applications where noise reduction matters, like office machinery.

Automotive vs Aerospace: Applications of W 639/1.5 R-2Z Bearing
In automotive fuel pumps, W 639/1.5 R-2Z Bearing’s corrosion resistance extends component life under harsh conditions.
For aerospace instrumentation, its lightweight design and high-speed capability make it a reliable choice for navigation systems.

Q&A

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