1. Product Overview SL045016PP2NR double row full complement locating bearing, interchangeable with NNF5016ADA-2LSV, dimension 80×120×54mm. Code Definition SL045016: Light medium full complement roller base model PP: Double-sided contact rubber seal against dust, mud and water splash 2NR: Dual outer ring snap ring grooves for axial housing locking Triple inner ribs + single outer central rib form integrated locating structure. Cage-free full roller layout maximizes radial