1. Product Overview The 30203-A single row tapered roller bearing features A optimized crowned roller profile, separable inner cone and outer cup matched with stamped steel cage. It simultaneously bears radial and one-way axial loads, widely applied to small vehicle wheel hubs, mini gearboxes and light-duty industrial transmission assemblies. 👉 Get a quote within 24 hours for your project 2. Technical Specifications Parameter Value Model 30203-A Inner Diameter (d) 17mm Outer