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the NU221MY inner diameter is 105mm
7mm The raceways of both the inner and outer rings of this bearing type are made with a set contact angle
The 608 full ceramic skate bearing is designed for competitive skating
The rib at the bottom of the housing mounting section provides for a robust unit that can withstand great loads from any direction
10-Pack 6x10x2.5mm Ball Bearing - Miniature Outer Diameter - 17mm the NU221MY inner diameter is10 Pack 6x10x2. 5mm Open Ball Bearings Chrome Steel Miniature High Speed This 10 pack of 6x10x2. 5mm open ball bearings is made from durable chrome steel and designed for ultra compact, high RPM applications. Ideal for precision tools, drones, and small mechanical devices where space and speed matter. Size: 6mm (ID) x 10mm (OD) x 2. 5mm (Width) Material: Chrome steel construction Closures: Open for minimal friction Lubrication: Pre lubricated with