6903-2RS Ceramic Bearing Stainless Steel ABEC-5 - 17x30x7mm - Sealed

S6903-2RS Hybrid Ceramic Ball Bearing - ABEC-5
✔️ 17mm x 30mm x 7mm - Stainless Steel & ZrO₂ Balls - Sealed

The S6903-2RS is a high-precision hybrid ceramic ball bearing featuring stainless steel rings and zirconia (ZrO₂) ceramic balls. Built to ABEC-5 standards, it delivers low-friction, smooth rotation ideal for electric motors, high-performance tools, and demanding hobby applications. This listing includes one bearing.

✅ Bearing type: Deep groove hybrid ceramic ball bearing
✅ Model: S6903-2RS
✅ Inner diameter: 17mm
✅ Outer diameter: 30mm
✅ Width: 7mm
✅ Rings: Stainless steel
✅ Balls: Zirconia ceramic (ZrO₂)
✅ Quality: ABEC-5 rated
✅ Closures: Double rubber seals
✅ Lubrication: Pre-greased and sealed
✅ Equivalent marking: S6903RS = 61903RS
✅ Quantity: 1 bearing

💡 What’s the advantage of ABEC-5 hybrid ceramic bearings?
ABEC-5 bearings offer tighter manufacturing tolerances for smoother, more accurate rotation. When combined with ceramic balls, they provide less rolling resistance, longer life, and superior performance in high-speed or precision applications.

Upgrade to high-efficiency performance - get this hybrid ceramic bearing and feel the difference in speed and smoothness!