Miniature Ceramic Deep Groove Ball Bearings (693-699, 683-689 Series, ZZ/2RS)

Ultra-Durable Ceramic Construction
– Precision-engineered with high-grade ceramic balls and races for superior corrosion resistance, extreme temperature tolerance, and extended lifespan. Ideal for high-speed, low-friction applications.
Micro-Precision Performance
– Smooth operation with minimal vibration/noise. Tight tolerances (ABEC-1 standard) ensure consistent performance in delicate mechanisms like fishing reels, swivels, and micro-tools.
Versatile Sealing Options
– Choose between ZZ (metal shield) for dust protection or 2RS (rubber seal) for full waterproofing. Perfect for marine, outdoor, or industrial environments.
Broad Size Compatibility
– Covers 693/694/695/696/697/698/699/683/684/686/688/689 series. Drop-in replacement for worn bearings in RC models, drones, medical devices, and precision instruments.
Bulk Wholesale Advantage
– Factory-direct pricing for large orders. Global shipping, no minimum quantity restrictions. Stock up for repair workshops or manufacturing projects.