Precision Miniature Deep Groove Ball Bearing – MR105RS/ZZ

Ultra-Smooth Performance
– High-speed chromium steel balls with deep groove design ensure low friction and superior rotational accuracy, ideal for high-RPM applications.
Durable & Long-Lasting
– Heat-treated steel rings and corrosion-resistant shields (RS) or dust-proof metal seals (ZZ) extend bearing life under harsh conditions.
Compact & Versatile
– 5x10x4mm miniature size fits skateboards, fidget spinners, drones, RC models, and small machinery with space constraints.
Premium Craftsmanship
– Precision-polished raceways and nylon/steel retainers minimize vibration and noise for silent operation.
Bulk Savings Advantage
– Direct factory pricing for wholesale buyers, offering unbeatable value for bulk orders without compromising quality.
Global Standard Compliance
– Manufactured to ISO specifications, ensuring reliability for DIY projects or industrial replacements.