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The Martin 4B74SK is a conventional stock QD sheave designed for efficient belt drive systems. This sheave has four grooves and an outside diameter of seven and three-quarters inches, making it suitable for various applications in mechanical systems.
This sheave provides reliable performance in industrial applications, ensuring smooth operation with minimal slippage.
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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