Non Standard Bearing 1/4" x 1/2" x 5.557mm - Stainless Steel - Shielded

SR188ZZ/IW5.557 Stainless Steel Ball Bearing
✔️ 1/4" x 1/2" x 5.557mm – Double Shielded

This SR188ZZ/IW5.557 is a precision deep groove ball bearing made from corrosion-resistant stainless steel. With a unique 5.557mm width and standard 1/4" x 1/2" dimensions, it's ideal for high-speed and compact applications where cleanliness and durability matter - like medical tools, small motors, and hobby gear.

✅ Type: Deep groove ball bearing (single row)
✅ Material: Stainless steel
✅ Shield Type: ZZ (double metal shields)
✅ Lubrication: Pre-lubricated with grease
✅ Inner Diameter: 1/4" inch
✅ Outer Diameter: 1/2" inch
✅ Width: 5.557mm
✅ Pack Size: 1 bearing

Dimensions Table:

💡 Why use stainless steel shielded bearings in precision builds?
Stainless steel bearings resist rust and corrosion, making them perfect for high-moisture or sterile environments. The ZZ shields help seal out dirt while holding in grease, reducing friction and wear over long-term use.

Compact, clean, and tough - this bearing’s ready for action. Pick one up now and roll with precision!