2.5" Ball Swivel Caster - PPL25302SC - Caster Central
Amazon.com: SPACECARE 2 Inches Ball Caster Wheels with Brake 360 Degree Antique Brass Top Plate Casters for Furniture Cabinets Wheelchairs(352 lbs of 4 Packs) : Industrial & Scientific
AAGUT 2" Ball Casters Stem Caster Wheels Set of 4 with 5/16" x 1-1/2" (8 x 38mm) with Metal Sockets Replacement Vintage Antique Swivel Wheel for Sofa, Chair, Cabinet: Amazon.com: Industrial &
Pololu Ball Caster with 1″ Plastic Ball and Plastic Rollers