9x17x4mm Stainless Steel Ball Bearing - Shielded - Miniature

9 x 17 x 4mm Shielded Stainless Steel Ball Bearing – ZZ
✔️  Corrosion-Resistant, High-Speed Performance

This 9x17x4mm deep groove ball bearing is made from stainless steel for excellent corrosion resistance. With double metal shields (ZZ) and factory grease, it's ideal for compact, high-speed systems like fishing reels and precision tools.

✅ Size: 9mm ID x 17mm OD x 4mm width
✅ Type: Deep groove ball bearing
✅ Material: Stainless steel
✅ Shields: Double metal shields (ZZ)
✅ Lubrication: Pre-lubricated with grease
✅ Dynamic load rating Cr: 1,350 N
✅ Static load rating Cor: 660 N
✅ Grease limiting speed: 39,000 RPM
✅ Quantity: 1 bearing

💡 Why use stainless steel shielded bearings in fishing gear?
Stainless bearings resist rust and pitting from water exposure, while metal shields help block salt, sand, and debris - keeping operation smooth and maintenance low in harsh environments.

Compact, sealed, and corrosion-ready - perfect for fishing reels and marine-grade motion systems.