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Sea Link
Sheaves
Engineering drawings and dimensional tables for sheaves used specifically in Medium Weight and Extra Heavy Oval Pattern blocks, as well as the specialized sheaves for BB-Series Snatch blocks.
Sea Link Industrial Rigging
Sea Link offers a specialized line of high-performance sheaves designed for replacement or custom rigging assemblies. These components are precision-engineered to match the exact specifications of the Sea Link block series, ensuring optimal rope path alignment and load distribution.
Technical Standards and Bearing Options
Medium Weight Oval Series: Sheaves for the SL620B series are standard-fitted with bronze bushings manufactured to SAE64 specifications.
Extra Heavy Oval Series: Replacement sheaves for the SL640B series utilize robust bronze bushings to handle Working Load Limits up to 33,000 lbs in single configurations.
Snatch Block BB-Series: Specialized sheaves are available for the SL400B snatch block series, with specific designs optimized for WLL ratings of 13.2, 16.5, and 22.0 US Tons.
Material Quality: All sheaves are designed for industrial durability, featuring precision-machined grooves to minimize wire rope wear.