ZrO2 Zirconia Ceramic Ball G5 Precision Bearing Ball 1-50mm Zirconium Oxide Ball
✅Ultra-high G5 Precision. – Precision Grade: G5 (ISO3290 / GB/T308.1). Precision transmission: High-speed bearings, machine tool spindles, vacuum pump bearings, textile machinery bearings, fishing reel bearings and other precision parts.
Silicon Nitride Ceramic Balls G5 Precision Bearing Ball Bead Si3N4 Ø0.8mm-100mm
Our high-performance silicon nitride (Si₃N₄) ceramic balls are manufactured under strict ISO3290 & GB/T308.1 standards, G5 precision grades. – Material: Si₃N₄ (Silicon Nitride). – Precision Grade: G5 (ISO3290 / GB/T308.1).