4" Steel & Polyurethane Plate Mount Caster 660 lbs, Pkg Qty 6

Overview

This heavy-duty plate mount caster is engineered for rigorous industrial applications where stability and high load capacity are paramount. Featuring a robust steel core encased in a durable polyurethane tread, this 4-inch wheel assembly delivers exceptional performance in demanding manufacturing and logistics environments. The design prioritizes floor protection and smooth maneuverability, making it an ideal choice for moving heavy machinery, carts, and equipment without causing surface damage. With a substantial load rating and rigid mounting configuration, this caster ensures reliable operation under continuous use and significant weight stress.

Key Features

High load capacity rated at 660 lbs per unit Non-marking polyurethane wheel tread protects sensitive flooring Robust steel core provides superior impact resistance and structural integrity Rigid plate mount design ensures maximum stability and secure attachment Low rolling resistance facilitates easy movement of heavy loads Ideal for continuous operation in harsh industrial settings Sold in packages of 6 units for fleet replacement or new installations

Specifications

Load Capacity: 660 lbs Wheel Diameter: 4 inches Overall Dimensions: 5.7 x 4.5 x 4 inches Wheel Material: Polyurethane Core Material: Steel Mounting Type: Plate Mount Package Quantity: 6 units

Applications

Heavy manufacturing equipment transport Warehouse logistics and material handling carts Industrial shelving and storage rack mobility Assembly line machinery positioning Food processing facilities requiring non-marking wheels Hospital and institutional equipment where floor preservation is critical Automotive repair shop tool chests and service carts The combination of a steel hub and polyurethane outer ring offers the perfect balance between strength and floor friendliness. Unlike traditional hard plastic or metal wheels that can crack under shock loads or scar concrete and epoxy floors, this composite design absorbs vibration while maintaining its shape under full load. The plate mount configuration allows for a wide distribution of force across the mounting surface, reducing the risk of fastener failure compared to stem-style casters. This makes it particularly suitable for applications involving uneven terrain or frequent starts and stops. The 4-inch diameter provides an optimal compromise between obstacle clearance and overall equipment height, ensuring that loaded carts remain low to the ground for safety while still rolling easily over minor debris or expansion joints. Whether upgrading existing fleets or specifying components for new heavy-duty enclosures, this caster series delivers the durability required for round-the-clock industrial operations.