| 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 |
| Obstacle Clearance | 25-40mm |
| Load Height | 97 mm |
| Surface Finish | ≤30° |
| Wheel Material | Black rubber |
| Finish | Zinc Plating |
| Place of Origin | Guangdong, China |
| Installation | Universal |
| Rotation Resistance | ≤5N·m |
| Parameter | Description | Typical Range |
|---|---|---|
| Load Capacity per Wheel | Max load per tri-star wheel (consider dynamic impact factor) | 130 kg/wheel |
| Obstacle Clearance | Max vertical obstacle height (≈ radius of planetary wheel) | 25-40mm |
| Max Operating Slope | Stable incline angle (depends on material/center of gravity) | ≤30° |
| Bearing Type | Internal bearing for planetary wheels (affects rotation smoothness) | Needle roller/Deep groove ball bearing |
| Rotation Resistance | Torque required to push (depends on bearings/seals) | ≤5N*m |