High-Quality Single Row Bicycle Ball Bearing 30x55x9mm
Precision-engineered deep groove ball bearing for smooth, low-friction rotation. Made from durable chrome steel with advanced heat treatment for extended lifespan. Optimized for high-speed performance and heavy loads. Sealed design prevents dust and moisture ingress, ensuring reliability in harsh conditions. Ideal for bicycles, electric motors, industrial machinery, and DIY projects. Compatible with standard 30mm shafts for easy installation. Global wholesale pricing with bulk discounts available. Stocked in bulk for fast shipping worldwide. Upgrade your equipment with premium-grade bearings at unbeatable value.