100 mm Roller Bearing Block - Single, Soft attachment Automatic Ratchet Block The design includes a chrome

The design includes a chrome plated aluminium bronze body and high-grade marine stainless steel terminals to ensure maximum resistance to corrosion and thread seizing

Seldén Roller Bearing Blocks (RBB) is our performance range and 408-201-05R is ideal for dynamic tackle applications and German sheeting

Breaking Load: 1550 kg

42 mm x 2000 mm long pin stop track with holes for M10 fasteners

please see Sailmakers Guide

100 mm Roller Bearing Block - Single, Soft attachment Automatic Ratchet Block The design includes a chromeThe RBB100 Single Roller Bearing Block is built for extreme loads and dynamic applications, featuring a large 100 mm sheave. Made from machined black anodized aluminium and equipped with Torlon roller bearings, this block provides superior strength and smooth operation. Polymer thrust bearings resist side loads, and a polymer washer insulates stainless from aluminium to prevent corrosion. The block is made for Soft attachment applications which means