1. Product Overview 6013-2RS1 is standard single row deep groove ball bearing. 2RS1 : Double-sided reinforced NBR contact rubber seals, effectively block dust, moisture and fine particles, prevent grease leakage and contaminant ingress. It can withstand radial load and light bidirectional axial load simultaneously. Pre-filled grease enables long-term maintenance-free running. Deep raceway structure ensures low vibration and stable rotation under medium-speed working