1. Product Overview 6316-2RS1/C3 single row deep groove ball bearing, standard metric dimension 80×170×39mm. Code Definition 6316: Extra large heavy-duty deep groove ball bearing, equipped with thickened steel balls to realize outstanding radial load bearing capacity 2RS1: Double-sided contact rubber lip seal, fully isolates dust, moisture, mud, metal scraps and various fine abrasive particles C3: Widened internal radial clearance, specially designed for high-speed, heavy