S6903-2RS Bearing ABEC-3 - Ceramic Si3N4 Balls smsfc30uu Helps keep out dirt and

Helps keep out dirt and small particles

32010 inner diameter is 50mm

Hardened shafts provide strength and wear resistance where consistent

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S6903-2RS Bearing ABEC-3 - Ceramic Si3N4 Balls smsfc30uu Helps keep out dirt andS6903 2RS Hybrid Ceramic Ball Bearing ABEC 3 Precision 17mm x 30mm x 7mm, SiN Ceramic Balls The S6903 2RS is a premium hybrid ceramic bearing with stainless steel races and cage, plus ultra smooth SiN ceramic balls. With rubber seals on both sides and SRL grease inside, it's designed to spin fast, stay clean, and resist wear. Rated ABEC 3 for dependable accuracy in most high speed setups. Sold as one bearing. Inner Diameter: 17mm Outer Diameter: 30mm