1-inch Single Wheel Swivel Plate Ball Bearing Trolley Casters

Specification: Specification Details Product Name 1-Inch Diameter Polypropylene (PP) Single Wheel Swivel Plate Ball Bearing Caster Product Type Swivel Caster Wheel (Non-locking) Wheel Diameter 1 inch (25 mm) Wheel Width 14 mm to 18 mm (varies slightly by manufacturer) Wheel Material High-strength Polypropylene (PP) – impact and wear-resistant Color of Wheel Commonly black, gray, or white (based on stock or supplier) Swivel Range 360° full swivel rotation for omnidirectional movement Bearing Type Single-row Precision Ball Bearing Bearing Material Carbon steel / Stainless steel (depending on model) Mounting Type Top Plate Swivel Mount Plate Material Cold-rolled Steel or Mild Steel, Zinc-Plated or Chrome-Plated for corrosion resistance Plate Dimensions 38 mm x 38 mm (1.5" x 1.5") Mounting Hole Pattern Square hole pattern (center-to-center approx. 30 mm x 30 mm) Mounting Hole Diameter 4.5 mm to 5.5 mm (compatible with M4/M5 bolts or screws) Total Height (