693zz Ball Bearing 3mm x 8mm x 4mm Double Shielded 693-2Z 2080093 Deep Groove Ball Bearings for Lawn Mower, Wheelbarrows, Carts, Hand Trucks, Skateboards, Inline Skates, etc (20 PCS): Amazon.com: Industrial &
Donepart Skateboard Bearings 608ZZ ABEC3 High Speed 8x22x7mm Double Metal Shielded Bearings for Skateboards, Scooters, Longboard, Inline & Roller Skates, 3D Printer (8 Pack): Amazon.com: Industrial & Scientific
MroMax U-Shape Groove Wheel-5x24x7mm Sliding Conveyor Nylon Wheel with 625 Bearing for Furniture, Hardware Accessories and Mobile Door Transparent White 4Pcs: Amazon.com: Industrial & Scientific
Amazon.com : Rollerex VXT500 Inline Skate Wheels (Various Size & Color Options Available) (80mm Deep Sea Blue (8 Wheels w/Bearings, spacers and washers)) -Indoor Outdoor- Intended for Roller Blade Wheel Replacing :