Can I use racing bindings for recreational skiing if I'm an expert skier?

It's not recommended unless you primarily ski in a race style on firm groomers. Racing bindings are optimized for a very specific use case—high-speed carving on hard snow with race skis. Their tall stand height, narrow brakes, and aggressive retention make them poorly suited to all-mountain skiing, powder, moguls, or casual cruising. Even expert skiers will find racing bindings overly demanding and less enjoyable outside of gates. A high-DIN all-mountain or freeride binding is a better choice for expert recreational skiing.