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Are Ball Bearing Pulleys Always Better?

A well-designed pulley, such as the above mentioned 2-stage bearing system, will remain highly efficient across the full working load range. However, some ball bearing pulleys may produce great results at a low load, then rapidly lose efficiency as the load increases. Read the rest

Everything You Need to Know about Pulleys

Pulleys are often referred to as blocks, and for the sake of this article we will consider the terms ‘pulley’ and ‘block’ to be synonymous. How are they measured? When someone refers to a pulley by physical size, most commonly they will be referring to the diameter of the sheave. The sheave is the wheel on the pulley. Read the rest