1.bracket:pressed zinc-plated steel made with strong threaded stem fitting and hardened double ball racway. 2.wheel:PP+TPE made with hexagon structure core and anti-dust,anti-winding side covers. 3.bearing:ball bearing 4.Application:shoppping cart/trolley,daily-use trolley,medical equipment,medicative cart,hotel storage cage cart/trolley,service&utility cart,etc.

1.parameters: 160mm wheel dia;50mm tread wdth;105*84/76 assembly size;45mm offset;198mm mounting heigt;400kg load capacity 2.bracket:made of heavy pressed steel with heavy forks and top plate 3. wheel:high-quality PU tread and die-cast aluminum wheel rim 4.application areas: heavy duty trolley, industrial devices, garbage sweeper machine, scaffolds,etc.