Mast roller for construction hoist (main roller)

Mast roller; universal to most construction hoists with 650 mast section. (for main chord tube Φ76) Especially for GJJ, and old type Alimak also. Mostly to be installed onto the roller boggies. M16 bolt is used to fix. Bottom diameter of roller shell:Φ74 for GJJ type Bottom diameter of roller shell: Φ76 for old type Alimak Bearing type: 6006 or 6006-2Z ±3mm radial eccentric adjustment
Mast roller for construction hoist (main roller)