RWM Casters 75 Series Plate Caster Rigid Kingpinless Cast Iron Wheel Roller Bearing 1800 lbs Capacity 6" Wheel Dia 2-1 2" Wheel Width 7-1 2" Mount Height 6-1 2" Plate Length 4-1 2" Plate Width

RWM’s 75 series caster features the patented Kingpinless design. The 75 series is recommended for the most demanding applications and is available with up to 3" wheels for higher capacity applications. All swivel sections are supplied with a lubrication fitting for field maintenance. The 75 series is case hardened to provide long service. It will not crack like through hardened or induction hardened construction provided by other caster manufacturers. Patented kingpinless single ball bearing precision machined raceway hardened to 53 Rockwell C minimum. This patented offset precision-machined raceway exerts radial force evenly where there is full contact between the ball bearing and the raceway. RWM’s unique design adds more mass at key points. This, plus more thorough heat treatment, provides additional strength and combats brinelling into the core material. The 75 series typical applications include dollies, utility carts, tow line and platform trucks. It is also ideal for tow lines, shock load applications and abusive conditions, production line dollies and trucks used in various industries including but not limited to: boat and ship molding and building, automotive, aerospace, metal fabricating, metal forging, heavy machinery and equipment, military equipment, mobile homes, etc. tractor pulled trailers, extreme duty platform trucks and material handling carts, air cargo and ground support equipment, storage tanks, gantries and heavy duty processing equipment, coliseum and gymnasium equipment, shipping/receiving carts, warehousing and freight terminal dollies and carts. Heavy duty power towed application seen in tire manufacturing and countless other heavy duty applications. Leg thickness is 5/16" formed steel. 3/4" Diameter axle bolt with lock or slotted nut as required and mounting plate size is 4-1/2" x 6-1/2" x 5/16".