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The TB Woods AK3978 is a FHP sheave designed for use with A, 4L, and 3L belt sections. Its outside diameter is three point seven five inches and it has one groove for efficient operation. Made from cast iron, this durable component ensures longevity in mechanical power transmission applications.
The TB Woods AK3978 FHP sheave is effective for various industrial applications. It fits many standard belt sizes, allowing for easy replacement and installation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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