The Ronstan Series 20 Ball Bearing Block - Single, part number RF20100, is a component designed for managing control lines in various applications. It features precision-molded Acetal sheaves that utilize stainless steel or Torlon ball bearings, contributing to low friction and efficient operation. This block is engineered to handle both static and dynamic loads, offering a maximum working load (M.W.L.) of 250kg (550lbs) and a breaking load (B.L.) of 550kg (1,210lbs). Constructed with UV-stabilized Acetal sheaves, Grade 316 stainless steel load strap and head fitting, and fiber-reinforced Nylon cheeks, it is built for durability. Weighing 20g (0.7oz), its lightweight design is suitable for applications where minimizing mass is beneficial. This product is intended for use in systems requiring reliable rope guidance and load management, such as dinghy control lines, vangs, cunninghams, and traveller controls, where its specifications meet the operational demands.
The Ronstan Series 20 Ball Bearing Block is designed for a maximum rope diameter of 6mm (1/4").
The block features U.V. Stabilized Acetal sheaves, stainless steel ball bearings, a Grade 316 stainless steel load strap and head fitting, and impact and UV resistant, fiber-reinforced Nylon cheeks.
This block is suitable for dinghy control lines, dinghy vangs, cunninghams, and traveller controls, providing low friction and high load capacity for these specific uses.
The pin diameter for the Ronstan Series 20 Ball Bearing Block is 3mm (1/8").
RF20100 - Ronstan Series 20 Ball Bearing Block - Single