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Discover 900 3-1/2bx7/8k : Magnaloy 900 Hub 3-1/2 Bore X 7/8 Key, M90031628 Instant 70% Discount [wyLOJexs]

$75.99 $243.99 -69%

Magnaloy 900 HUB 3-1/2 BX 7/8 Key Coupling Discover the superior performance of the Magnaloy 900 HUB 3-1/2 BX 7/8 Key Coupling, the original lightweight, heavy-duty flexible drive coupling. Engineered with magnesium construction, this coupling is 76%

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Magnaloy 900 HUB 3-1/2 BX 7/8 Key Coupling

Discover the superior performance of the Magnaloy 900 HUB 3-1/2 BX 7/8 Key Coupling, the original lightweight, heavy-duty flexible drive coupling. Engineered with magnesium construction, this coupling is 76% lighter than cast iron and 36% lighter than aluminum units, yet boasts unparalleled strength. Its solid magnesium alloy permanent mold castings are heat treated, offering the highest strength-to-weight ratio in the industry. The Magnaloy 900 HUB 3-1/2 BX 7/8 Key Coupling is a versatile solution for various applications, providing numerous benefits.

Product Properties and Specifications

The Magnaloy 900 HUB 3-1/2 BX 7/8 Key Coupling features close machining tolerances (TIR of .002Ó), ensuring vibration-free operation and easy, accurate alignment without the need for special tools. This design enhances the lifespan of components such as bearings, shafts, and pumps by reducing loads and minimizing wear. The Premium Line comes standard with a single set-screw over the keyway, but optional double set-screws are available at 45 degrees or 90 degrees to the keyway, providing increased shaft gripping forces. Additionally, the Clamp feature is available for bored and keyed hubs, offering even more flexibility in installation.

Practical Uses and Benefits

The Magnaloy 900 HUB 3-1/2 BX 7/8 Key Coupling is ideal for a wide range of applications, from industrial machinery to automotive systems. Its lightweight design makes it easier to handle and install, saving time and labor costs. The rust-proof and corrosion-resistant properties ensure long-lasting durability in harsh environments. With reduced loads on components, the Magnaloy 900 HUB 3-1/2 BX 7/8 Key Coupling contributes to extended component life and improved efficiency. Whether you're a maintenance professional, engineer, or DIY enthusiast, this coupling is a reliable choice for all your drive coupling needs.

What Our Customers Say

December 30, 2025

Absolutely no complaints!

A great item. I use it very, very, very, very often.

- Mabon U..

December 30, 2025

Absolutely no complaints!

A great product. It is a definite and a true, so very must-have.

- Pryderi O..

December 30, 2025

Absolutely no complaints!

A very good product. I have had no problems at all with it.

- Gwydion G..

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