Heavy Duty Caster 4" x 2" Steel Wheel - Swivel

Heavy Duty Caster 4" x 2" Steel Wheel - Swivel Product Description This Series 40 medium heavy-duty swivel caster is designed for maximum strength, durability, and reliable maneuverability in demanding industrial and commercial environments. It features a 4-inch x 2-inch solid steel wheel engineered for high load capacity and extreme durability, making it ideal for heavy-duty applications where wheel deformation and wear resistance are critical factors. Built with a cold-forged top plate and precision-engineered swivel assembly, this caster includes a double-row ball bearing swivel raceway for smooth 360° rotation and improved handling. Hardened raceways and a built-in Zerk fitting allow for routine lubrication, helping maintain performance and extend service life under continuous use. With an overall height of 5-5/8", a 1/2" axle, and a 5/8" kingpin, this caster supports loads up to 700 lbs. The swivel design allows for easy directional changes, making it suitable for industrial carts, platform trucks, and heavy material handling equipment. The top plate measures 3-15/16" x 4-1/2" with bolt hole spacing of 2-5/8" x 3-5/8" to 3" x 3", and accommodates 3/8" mounting hardware. Part Number: 40-40S-A1-SS Bullet Points Supports heavy-duty loads up to 700 lbs for industrial applications 4" x 2" solid steel wheel provides maximum strength and durability Swivel design with double-row ball bearings ensures smooth 360° maneuverability Hardened raceways with Zerk fitting support long service life and easy maintenance Top plate mount (3-15/16" x 4-1/2") fits standard bolt patterns with 3/8" hardware