60 mm Roller Bearing Block - Cheek, M8 Single making this block ideal for

making this block ideal for sheets and control lines

It features a ø40 mm plain bearing sheave for 3:1 purchase of the control line

It features three 40 mm sheaves and a swiveling shaft and an integrated 27 mm composite cam cleat

with a row of stainless steel bearings for smooth operation

60 mm Roller Bearing Block - Cheek, M8 Single making this block ideal forThe RBB60 Cheek Block with M8 mount is a high load roller bearing block designed for fixed installations. Made from black anodized aluminium and featuring Torlon roller bearings, it offers durability and performance under dynamic loads. Polymer thrust bearings help resist side loads, while a polymer washer insulates stainless steel components from aluminium, preventing corrosion. Ideal for halyards, control lines and spinnaker sheets in applications