3" x 1-1/4" Black Polyurethane Wheel Swivel Caster with Total Lock Brake - Select Expanding Stem Size - 300 Lbs Capacity

3" x 1-1/4" Black POLYURETHANE WHEEL EXPANDING STEM CASTER WITH BRAKE - Part #: 8GS30KP-PLY-EXP Polyurethane on polyolefin wheels offer more floor protection, non-marking treads, quieter rolling, & smoother rides compared to steel or phenolic wheels while still providing comparable load capacities. These polyurethane on polyolefin wheels are going to be the most economically priced of the polyurethane wheels and great for general industrial applications. These wheels can be used in most applications, but are not recommended for hot or cold applications, or when left in direct sunlight for most of their use. SPECIFICATIONS: Load Capacity (lbs.): 300 Link to Replacement Wheel: QPLY3J3 Wheel Diameter: 3" Caster Rig Color/Finish: Silver Zinc Tread Width: 1-1/4" Swivel or Rigid Caster: Swivel  Wheel Type: Polyurethane Swivel Radius: 3-7/8" Wheel Bearing Type: Ball Swivel Construction: Hollow Kingpin Overall Height: 4-1/8" Temp Range:  -40˚ to 180˚F  Stem