Rock Solid 4 Inch Semi Steel Caster Wheel Replacement For Grainger 400K35 With Roller Bearing And Three Eighth Inch Bore Dead Nuts Heavy Duty Industrial Workhorse Engineered For Smooth Gliding On Carts And Racks 600 Lb Load Capacity

Industrial Grade 4 In Steel Caster Wheel Replacement Unit
✔️ 4 In Dia 3/8 In Bore 600 Lb Cap Fits Industrial Carts

This replacement caster wheel delivers reliable mobility for heavy duty material handling equipment. Engineered for warehouse racks, utility carts, and storage containers, it provides steady rolling performance under demanding floor conditions while resisting scuff marks on epoxy flooring. Each order contains one standalone wheel designed to snap onto standard axle setups.

✅ 4 Inch polyurethane tread diameter provides quiet tracking on hard surfaces
✅ 3/8 inch round shaft accommodates typical cart axle holes without adapters
✅ Closed roller bearing assembly minimizes friction during constant pushing cycles
✅ Rated for 600 pounds total weight distribution across paired wheel installations

💡 Why do shop managers pick sealed roller bearing wheels over cheap alternatives?
Locking in protected bearings makes everyday hauling handy and saves cash over time.
- Enclosed tracks stop grit from grinding up the raceways so you skip greasing chores
- Lower push effort translates to less fatigue when rolling empty dollies across concrete docks
- Hardened axles take repeated shock impacts from raised loading ramps without bending or squeaking

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