4-8 inch trolley wheels heavy duty pu korea caster wheel with side brake

Housing：

Solid steel welded construction,

zinc plated double ball-race swivel head,

dust-proof seal heat treated ball-race,

hardened steel balls

Wheel:

Materials: PU or PVC

Bearing type: Precision double ball bearing

Feature :

• PP core with PU wheel, wear-resistance, durable quality.
• Wildly use in the industrial trolley, heavy duty equipment

Top plate dimension:

European type top plate is available:

Remark: All top plate size can be customized.