2" Leveler Caster, HENAN Okay Wheel, Plain Bearing, 550 lb Capacity. 2SBM120L 2" Plate Low Profile Caster Polyolefin Single Wheel. Your Price: $8.90. Quantity: * Whole number . 2 x 1 13/16 Plate mount Swivel Caster Polyolefin Log Wheel, 300 lb. capacity. 4SRC40 Replacement 4" Caster Set for Rubbermaid Carts, Set of 4.