100-Pack Black Plastic Caster Wheel 30mm - Plate Caster Inner Diameter - 300mm 6312ZZENR Nachi Bearing with a

6312ZZENR Nachi Bearing with a Snap Ring

SMD16GUU NB Bearing

OD (outer diameter): 7 5/8" Inch

FHSLF202-15mmG Flange Light Duty 2 Bolt Unit Ball Bearings

GRC206-30mm Cylindrical Carttridge Ball Bearing

100-Pack Black Plastic Caster Wheel 30mm - Plate Caster Inner Diameter - 300mm 6312ZZENR Nachi Bearing with aBlack Plastic Caster Wheel 30mm Inch Swivel Plate Caster with 75lb. Load Rating Pack of 100 Black Plastic Caster Wheel 30mm Inch with Metal Plate for Chair. This black plastic twin wheel casters place more wheel surface on the floor and carpet pile, and move in opposite directions to minimize carpet fiber twisting. Perfect used on furniture, office chairs, printer stands and entertainment centers. 30mm Inch Black Caster Bearing Swivel Plate Caster