8x19x4 Bearing Shielded Miniature Ball Bearings Bore ID Inner Diameter= 8mm x Outer Diameter/OD=19mm x Width=4mm: Deep Groove Ball Bearings: Amazon.com: Industrial & Scientific
255510 OPEN Non standard Ball Bearings ( 1 PC ) Inner Diameter 25 mm Outer Diameter 55 mm Thickness 10 mm Bearing 25*55*10 mm|Shafts| - AliExpress
isscx 10PCS 608ZZ Inner Dia: 8mm;OD: 22mm;Thickness: 7mm;8mm x 22mm x 7mm Deep Groove Ball Bearing Double Metal Shielded Fit for Skateboard Bearings 3D Printer RepRap Wheel Longboard Roller Skates: Amazon.com: Industrial
Longboard Bearing RED ABEC 7 608
Bearings
JiuWu 5X8X2.5Mm Miniature Deep Groove Ball Bearing,Steel Skateboard Bearings Mr85Zz 675Zz L-850Zz Pack Of 10