This 8-inch by 4-inch 91 Series Extra Heavy Duty Kingpinless caster, is a highly acclaimed industrial solution that excels in rugged applications while minimizing maintenance costs. This caster is valued for its simplicity and ability to withstand industrial environments with prevalent shock loading. The top plate and yoke base are aligned using high-quality 3/4 inch hardened ball bearings, providing stability and reliability. The ingenious swivel section construction places the ball bearings in a sheer load position, ensuring exceptional strength and smooth operation even under heavy loads. With effortless swiveling capabilities, the 91 Series offers extended lifecycles and years of cost-effective operation. Constructed from hot forged C-1045 steel, this caster features a single ball race design with 7/8 inch diameter load/thrust ball bearings in a precision-machined 7-inch diameter raceway. This caster delivers durability, strength, and efficiency, making it the ideal choice for demanding industrial applications.
Combined with Forged Steel wheels, these casters become a powerhouse solution for heavy-duty industrial applications. These wheels are hot forged from high carbon steel billets, enhancing their grain structure, ductility, and tensile strength (64,000 psi). With precision machining, they meet tight tolerances, ensuring flat surfaces with rounded edges. Offering the greatest load capacity, impact strength, and rollability among caster wheels. With the proper wheels and bearings, these wheels are capable of withstanding temperatures up to 800 degrees. Packed with our straight roller bearings, which are most effective for heavy loads, and are a great option when facing excessive thrust loading, these casters are rated for 8400 lbs.