Precision-Engineered 6903ZZ/2RS Deep Groove Ball Bearing

Ultra-Smooth Performance
High-grade chrome steel construction with 17x30x7mm dimensions ensures minimal friction and extended lifespan under heavy loads.
Dual Protection Seals
Choose between 6903ZZ (metal shields) for high-speed applications or 6903-2RS (rubber seals) for dust/water resistance in harsh environments.
Automotive-Grade Reliability
Precision-ground raceways (±0.001mm tolerance) reduce vibration, ideal for electric motors, gearboxes, and industrial machinery.
Global Bulk Supply Advantage
Direct factory pricing with no middlemen – wholesale quantities available at unbeatable rates for distributors worldwide.
Free Sample Program
Test our bearings risk-free before large-volume orders, backed by ISO 9001-certified manufacturing.
Universal Fit
Compatible with automotive, conveyor systems, and DIY projects requiring 17mm inner diameter solutions.