McKissick Cast Iron Sheave - 3/4 in x 14 in - Self-Lubricating Bronze Bushing

Product Description

 The McKissick Cast Iron Sheave with self-lubricating bronze bushing bearing is a large-diameter wire rope sheave designed for heavy-duty lifting and rigging applications where a generous rope-to-sheave diameter ratio is required to minimize wire rope fatigue and extend rope service life under sustained or high-cycle loading. Cast iron construction provides good compressive strength and wear resistance suited to the demands of large block assemblies and high-capacity rigging systems, and is a traditional material specification in heavy industrial sheave applications where size, weight, and cost-effectiveness are balanced against the performance requirements of the application. This sheave is well suited for use in large crane blocks, multi-part line rigging systems, and demanding industrial configurations across the oil and gas, construction, marine, and industrial sectors.

This sheave accommodates wire rope up to 3/4 in maximum cable diameter and features a 14 in outside diameter, providing an exceptionally high rope-to-sheave diameter ratio that significantly reduces wire rope bending stress and extends rope replacement intervals in high-cycle or sustained-load applications. The self-lubricating bronze bushing bearing incorporates embedded lubricant within the bronze matrix that is released gradually at the bearing surface during operation, providing continuous lubrication without the need for regular external greasing. This feature makes the sheave particularly well suited to large block installations where maintenance access is limited, service intervals are infrequent, or simplified upkeep is preferred over more complex bearing arrangements requiring periodic re-lubrication.

McKissick is a well-established manufacturer of sheaves, blocks, and rigging hardware serving the oil and gas, construction, marine, and industrial sectors. This sheave is suitable for use as a replacement or component part within compatible McKissick block assemblies and rigging systems. All installations should comply with applicable load ratings, rigging standards, and inspection requirements to ensure safe and reliable operation throughout the service life of the assembly.

Material: Cast Iron Sheave Self-Lubricating Bronze Bushing Bearing

Compatible With: McKissick block assemblies Wire rope up to 3/4 in diameter

Uses: Heavy-duty overhead crane and hoist systems Large block and tackle rigging assemblies Wire rope sheave replacement and maintenance Oil and gas lifting and pulling operations Construction and industrial heavy lifting applications Marine and offshore rigging systems

Key Features: 3/4 in maximum wire rope capacity 14 in sheave outside diameter for exceptionally high rope-to-sheave diameter ratio Self-lubricating bronze bushing bearing eliminates need for regular external greasing Continuous bearing surface lubrication through embedded lubricant release Cast iron sheave construction for good compressive strength and wear resistance Significantly reduces wire rope bending stress and extends rope service life Suitable for large-block, high-capacity, and limited-access rigging installations