Selden PBB (Plain Bearing Block) range features an Acetal sheave, stainless steel reinforcing strap, stiff fiberglass reinforced cheeks to prevent lines from wedging, and a sliding swivel locking mechanism.
The 60mm PBB range is designed for heavy and static load applications in halyard tuning, mainsheet systems, and boom vangs on offshore boats.
|Breaking Load (lbs)||4850|
|Breaking Load (kg)||2200 (Lower Sheave) 1100 (Upper Sheave)|
|Max Line Size (in)||0.55|
|Max Line Size (mm)||14|
|Note 1||Breaking Load listed is for the Lower Sheave. BL for Upper Sheave = 2425 (lbs)|
|Note 2||SWL listed is for Lower Sheave. SWL for Upper Sheave = 1212 (lbs)|
|Safe Working Load (lbs)||2425|
|Safe Working Load (kg)||1100 (Lower Sheave), 550 (Upper Sheave)|
|Sheave Diameter (in)||2.36|
|Sheave Diameter (mm)||60|