Different Types of L-Jaw Spider Inserts

Four Different Types of L Jaw Spider Inserts for Sale - MDS of Michigan Blog

When it comes to power transmission components, it can be difficult to decide which L-Jaw Spider Insert is right for your application. At MDS of Michigan, we offer a diverse range of spider inserts to suit various applications.

In this post, we will delve into the details of the four different spider inserts we sell online: Bronze, Urethane, Hytrel, and Buna-N.

Bronze Spider Inserts

Our top-tier Bronze Spider Inserts boast exceptional durability and performance. Crafted from high-quality bronze, they resist wear and tear, ensuring extended machinery lifespan. They are the perfect choice for applications with heavy loads, high speeds, and challenging operating conditions. Despite a higher cost, their robust construction makes them ideal for industrial environments where reliability is non-negotiable.

Buna-N Spider Inserts

For a cost-effective and dependable solution, choose our Buna-N Spider Inserts. Constructed from nitrile rubber, these inserts provide resistance to oil, heat, and abrasion. While not as robust as Bronze, they offer reliable performance in applications with moderate loads and speeds. Even though they will need to be replaced more frequently, they are our most popular inserts sold online.

Urethane Spider Inserts

Next in our lineup is the Urethane Spider Insert. More expensive than Buna-N and cheaper than Bronze, these inserts strike a balance between cost and performance. Urethane is known for its excellent damping properties, which help reduce vibration and noise in machinery. Ideal for moderate loads and speeds, Urethane spider inserts are a reliable choice for many industries. From conveyor systems to pumps, these inserts provide a cost-effective solution without compromising on quality.

Hytrel Spider Inserts

Hytrel Spider Inserts, made from a unique thermoplastic polyester elastomer. They offer exceptional flexibility. They are the perfect choice for applications with misalignments or shocks. Hytrel is also resistant to chemicals and abrasion, ensuring longevity in demanding environments.


Downtime can be expensive. Selecting the right spider insert is crucial for machinery efficiency and longevity. Learn more about each L-Spider Insert below and elevate your equipment’s performance.

Shop L-Jaw Spider Inserts

MDS Blog