| Attribute | Value |
|---|---|
| Name | 125mm Black Rubber Triangle Stair Climbing Trolley Wheel with Roller Bearing, Heavy Duty Caster for Hand Truck Dolly |
| Wheel Diameter | 125 / 160 mm |
| Wheel Width | 34 / 40 |
| Bearing | Roller Bearing |
| Hole Size | 20 mm |
| Wheel Color | Black |
| Load Height | 97 mm |
| Surface Finish | Zinc Plating |
| Wheel Material | Black rubber |
| Finish | Zinc Plating |
| Place of Origin | Guangdong, China |
| Core Material | Steel |
| Installation | Universal |
| Component | Common Material/Process | Function |
|---|---|---|
| Planetary Wheel Tire | High-elasticity rubber/Polyurethane (PU) | Shock absorption, friction enhancement, noise reduction |
| Wheel Hub Frame | Carbon steel/Aluminum alloy (zinc-plated/anodized) | Structural support, rust prevention |
| Planetary Wheel Bearing | Roller bearing steel (precision ground) | Friction reduction |
| Mounting Hardware | Stamped steel/Forged alloy | Torsional load resistance |