639-2RS Sealed Miniature Bearing 9x30x10mm With Chrome Steel Construction Two Rubber Seals Dust Shield Pre Lubricated For Smooth Rotation In Precision Machinery Robotics And Hobby Projects

Prix régulier $7.77 Prix de vente$10.00vous économisez 2,23
SKU: 639-2RS
UPC: 00193019023907





Single 639-2RS sealed ball bearing 9x30x10mm
✔️ Deep groove sealed bearing, chrome steel, 9x30x10mm, pre-lubed

This sealed miniature bearing is designed for compact machines, hobby projects, robotics, and small automation assemblies where smooth, quiet rotation and dust resistance are needed.

✅ 9 mm bore x 30 mm outer diameter x 10 mm width
✅ Chrome steel construction for durability
✅ 2 rubber seals protect against dust and contamination
✅ Pre-lubricated with grease for immediate use
✅ Dynamic load rating Cr 600 N; Static load rating Cor 265 N
✅ Maximum operating speed up to 24,000 RPM
✅ Pack size: 1 bearing

💡 What is a sealed ball bearing used for in small mechanical systems and hobby projects? It's handy for smooth, low-maintenance rotation in compact spaces. - Transfers rotational motion with low friction - Keeps dirt out with dual rubber seals - Ready-to-use due to factory lubrication - Suits robotics, 3D printers, and small CNC setups