3 1/2 in. Zinc-Plated Sheave w/ Bronze Bushing

The 3 1/2 in. Zinc-Plated Sheave with Bronze Bushing is an essential component for boat lift systems. It is specifically designed to guide the boat lift cable from the drive pipe to the boat cradle, ensuring smooth and efficient lifting and lowering operations.

This sheave is built to accommodate up to 5/16 in. thick 7 x 19 aircraft cable, which is commonly used in boat lift systems. The 5/8 in. thickness of the sheave provides durability and stability during operation.

One of the key features of this sheave is its 3/4 in. bore, which allows for easy installation and compatibility with 3/4 in. axle bolts. However, it’s important to note that the axle bolt is not included and needs to be purchased separately.

Constructed with zinc-plated material, this sheave offers excellent resistance against corrosion and ensures a long-lasting performance even in harsh marine environments. The electro-zinc plating adds an extra layer of protection to enhance the sheave’s durability.

The cable groove measures 7/16 in., providing a secure and reliable fit for the boat lift cable. Additionally, the 3/4 in. (.750) bronze bushing bore further enhances the stability and smooth operation of the sheave.

With dimensions of 3 1/2 in. x 3 1/4 in. x 5/8 in., this sheave is compact and lightweight, weighing only 1.4 lb. Its compact size makes it easy to install in various boat lift systems without occupying excessive space.

In summary, the 3 1/2 in. Zinc-Plated Sheave with Bronze Bushing is a reliable and durable component for boat lift systems. Its compatibility with 5/16 in. thick 7 x 19 aircraft cable, 3/4 in. axle bolts, and its corrosion-resistant zinc-plated construction make it a valuable addition to any boat lift setup. With its precise dimensions and sturdy design, this sheave ensures smooth cable guidance, contributing to the efficient and safe operation of your boat lift.