1. Product Overview The 203-FF insert ball bearing features integrated spherical outer ring and double-sided FF flange double-lip rubber seals. It can self-align to compensate installation deviation, with excellent mud and dust isolation performance, widely matched to agricultural machinery, small drive motors and light-duty transmission equipment. 👉 Get a quote within 24 hours for your project 2. Technical Specifications Model: 203-FF Inner Diameter (d): 17mm Outer Diameter