High Precision Miniature Full Ceramic 638 Deep Groove Ball Bearing Model R188
Ultra-smooth full ceramic construction for superior durability and corrosion resistance. Precision-engineered deep groove design ensures low friction and high-speed performance. Ideal for miniature machinery, RC models, medical devices, and high-end instrumentation. Advanced zirconia ceramic material resists extreme temperatures and harsh environments. Hand-polished raceways minimize vibration and noise. Perfect replacement for industrial, hobbyist, and DIY applications requiring reliability. Exact dimensions (ID/OD/Thickness: 8/22/7mm) guarantee seamless compatibility. Non-conductive and non-magnetic for specialized electronic equipment. Bulk order discounts available for wholesale buyers. Global fulfillment with guaranteed lowest price. Stocked in bulk for fast shipping. Trusted by engineers and manufacturers worldwide.