These block series are built with aluminium sides, aluminium sheave and an innovative roller-bearing system.
The most innovative aspect of this bearing concept is that no side bearings are needed.
The advantage with rollers instead of ball bearings is that the force is spread over a larger area, which means that the bearings will not deform during high loads. Due to this bearing concept, the ROC Block are very competitive on the market.
Shackle are forged and the blocks are available with a stand-up fitting.
ROC blocks has a 80mm and 100mm sheave and has a safe working load from 2,5 to 3,5 tons.