LILY Bearing Blog

7 min read

Torsion Springs vs. Extension Springs: Which One Does Your Garage Door Need?

If your garage door spring breaks, the first question you'll face is: torsion or extension? The answer matters more than most people realize. Get it...

8 min read

What Is a Torsion Spring? Purpose, Function, and Applications

Here's something most people get wrong about torsion springs: despite the name, the wire inside one is never actually twisted. It bends. A torsion...