Heavy Duty Caster 4" x 2" Polyurethane on Plastic Wheel, Stainless Steel — Series 40
This Series 40 Medium Heavy Duty caster pairs a 4" × 2" Polyurethane on Plastic wheel with a corrosion-resistant stainless steel rig for floor-protecting, quiet, washdown-ready material handling. A double-row ball bearing swivel raceway, hardened raceways, and a built-in Zerk lubrication fitting provide smooth 360° movement and long service life. Each caster supports loads up to 660 lbs. Choose the configuration from the menu above.
Configurations & Part Numbers
| Type |
Movement |
Brake |
Part Number |
| Swivel |
360° rotation |
— |
40-40S-A1-PU(STS) |
| Rigid |
Fixed / straight-line |
— |
40-40R-A1-PU(STS) |
Key Features
- Load capacity up to 660 lbs per caster
- 4" × 2" Polyurethane on Plastic wheel — non-marking, floor-protecting, low rolling resistance
- Stainless steel top plate, fork & hardware for corrosion resistance and washdown duty
- 5/8" kingpin and 1/2" axle with built-in Zerk lubrication fitting
- Double-row ball bearing swivel raceway for smooth rotation under load
Applications & Common Uses
- Floor-protecting carts
- Quiet stockroom carts
- Washdown & food-grade carts
- Food & beverage carts
- Racks
- Platform trucks
Ideal for platform trucks, stock carts, dollies, workbenches, shelving, and material handling equipment across warehouse, industrial, and washdown settings where corrosion resistance and floor protection are required.
Technical Specifications
| Series |
40 — Medium Heavy Duty |
| Wheel Diameter |
4" |
| Tread Width |
2" |
| Wheel Material |
Polyurethane on Plastic |
| Load Capacity |
660 lbs |
| Overall Height |
5-5/8" |
| Swivel Radius |
3-3/16" |
| Axle Diameter |
1/2" |
| Kingpin |
5/8" |
| Bearing |
Roller |
| Top Plate Size |
3-15/16" x 4-1/2" |
| Bolt Hole Spacing |
2-5/8" x 3-5/8" ~ 3" x 3" |
| Mounting Bolt Size |
3/8" |
| Finish |
Stainless Steel |
