4" Stainless Steel Top Plate Rigid Caster with Hi-Temp (Retort) Wheel - D4.04108.839 RW SS WB29

About This Caster - D4.04108.839 RW SS WB29

Reach for this 4-inch Defender D4 rigid when a heat-service cart is loaded heavy and pushed slowly across the floor.

The roller bearing is the heavy-haul option here, carrying more weight than a ball or Delrin bearing as long as the cart moves at a deliberate pace, which suits a packed oven rack or retort trolley. It rides on Colson's blue hi-temp polypropylene retort wheel, a hard tread that comes through steam and high heat to 250°F and resists sterilization chemicals, on a stainless steel frame that stands up to the wet, corrosive bays this equipment lives in. The rigid mount holds a straight line at the rear of the cart. Because the wheel is hard plastic it gives no cushioning and can mark a soft finished floor, so weight and heat come first, not ride quality.

Ideal applications

• Heavily loaded oven and retort trolleys moved at walking pace
• Stainless high-heat carts in wet, corrosive processing bays
• Straight-tracking rear corners under sustained heavy pushing

Confirm the load stays within the roller-bearing class and the 5-5/8-inch mount height fits before ordering.

Pairs with: the hi-temp precision-ball rigid 49G41G42G-02 on the lead corners for smoother fast travel.

Wrong fit? Lighter, grease-free wash-down duty? See the hi-temp Delrin rigid 49G41H42G-02 in the Colson collection.

Also in this family: the white-nylon roller rigid 49G4I42G-02 for cooler service, or the full Colson collection.