RBC Bearings Inc. operates primarily through two business segments: Industrial and Aerospace/Defense. The Industrial segment, which historically accounts for the majority of its revenue, serves end markets including construction, mining, energy, and semiconductor manufacturing equipment. The Aerospace/Defense segment supplies commercial aerospace, defense aerospace, and sea and ground defense applications, often providing sole-source or primary-sourced components. The company's product portfolio includes plain bearings, roller bearings, ball bearings, and engineered products like mounted bearings and power transmission components. With a global manufacturing footprint and a strong focus on highly regulated industries, RBC Bearings benefits from high barriers to entry and significant aftermarket demand.