Selden PBB (Plain Bearing Block) 80mm range features a fiberglass-reinforced sheave with a polymer bushing, a stainless steel strap, for strength and durability. It also has bronze top swivel bushings and an 8mm shackle with a 10mm pin for a strong and lightweight combination.
The 80mm PBB range is designed for heavy and static load applications in halyard tuning, mainsheet systems, and boom vangs on offshore boats.
|Breaking Load (lbs)||8818|
|Breaking Load (kg)||4000 (Lower sheave) 2000(Upper sheave)|
|Max Line Size (in)||0.62|
|Max Line Size (mm)||16|
|Note||Breaking Load listed is for the Lower Sheave. BL for Upper Sheave = 4409 (lbs)|
|Additional Notes||SWL listed is for Lower Sheave. SWL for Upper Sheave = 2204 (lbs)|
|Safe Working Load (lbs)||4409|
|Safe Working Load (kg)||2000 (Lower sheave), 1000 (Upper sheave)|
|Sheave Diameter (in)||3.14|
|Sheave Diameter (mm)||80|