2022 Ronstan Marine Catalogue - VIEW CATALOGUE

Custom Products

PHOTO CREDIT:© Najad Yachts of Sweden

B240-0920 Series 240 Roller ball bearing sheave package

Product Type:


Part Number:



15000 kg (33068 lb)


30000 kg (66138 lb)


2.490 kg (5.49 lb)

Product Features:

This series 240 sheave package is the largest version of the Ronstan Roller Ball Bearing sheave packages. The main loading on the sheave is handled by the torlon needle bearings.The ball bearings each side of the sheave handle any side thrusts and help to keep friction to a minimum. The sheave has 12x 12.2mm securing holes equally spaced on a 114mm diameter center. The central whole has a diameter of 80mm. A typical application for this sheave is for the fixed or running backstays of large yachts.