lrnit on Instagram: "At first, it looks like just a massive metal ring. ⚙️ Heavy. Silent. Unmoving. But this giant slew bearing is what allows wind turbines to face the wind and excavators to rotate thousands of tons with precision. One component… carrying unimaginable loads. That’s why alignment matters. Even a tiny misalignment — millimeters you can’t see — can create uneven stress, rapid wear, vibration, and sudden failure. Once installed wrong, these bearings don’t fail slowly… they fail cat