60 mm Roller Bearing Block - Cheek, M8 Single The S40 Double Soft Attachment

The S40 Double Soft Attachment Block features two 40 mm sheaves

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

making this block ideal for sheets and control lines

with a row of stainless steel bearings for smooth operation

60 mm Roller Bearing Block - Cheek, M8 Single The S40 Double Soft AttachmentThe 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