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Harken High-Load Sheaves
Harken High-load sheaves are offered as replacement parts or for use in special applications. Their bearing system combines sideload-carrying balls with a PTFE composite bushing to carry radial loads. While not as free-rolling as the standard Harken® ball/roller bearing system, this compact bearing system is extremely durable and perfect for carrying high loads in a restricted diameter.
Installation requires clamping or securing inner race.
On the 1734 Harken High-load-sheaves, the wide tulip sheave allows wider range of line entry angles.
Through-the-transom running backstays