1. Product Overview SL045020PP2NR double row full complement locating bearing, interchangeable with NNF5020ADA-2LSV, dimension 100×150×67mm. Code Definition SL045020: Medium heavy 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