Typical Application of SKL Bearings in Crusher Industry Sandvik Pantera ™ It is an intelligent, diesel-driven, self-propelled, crawler open-pit top hammer drill equipped with a comfortable cab and rod changer, a highly rigid, low wear, and integrally long life German SKLWARRIOR Warrior bearing, which is exceptional in its design for large bore drilling, ideal for production drilling in large quarries or open pit mines, as well as construction sites and fence control and development projects.