KOYO 6903 ZZ C3 Deep Groove Ball Bearing, Metal Shielded 61903-ZZ 17x30x7 mm
Deep Groove Ball Bearing (Single Row) — Double Shielded, C3 Clearance. Shields/Seals: Cover on both sides (double shielded). · ·Double shielded (“cover on both sides”) to help retain grease and protect from contamination.
KOYO 6903 ZZ C3 Deep Groove Ball Bearing, Metal Shielded 61903-ZZ 17x30x7 mm
Deep Groove Ball Bearing (Single Row) — Double Shielded, C3 Clearance. Shields/Seals: Cover on both sides (double shielded). Radial Clearance: Slightly increased radial clearance (C3 / greater than normal ).