All Categories > Super Precision Bearings > Super Precision Roller Bearings > NN30 Series Super Precision Cylindrical Roller Bearings > Item # NN3008ASK.M.SP Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # NN3008ASK.M.SP, 40 Millimeter (d) Dimension Super Precision Cylindrical Roller Bearing List Price QUOTE larger image NN30 Series double row bearings provide radial stiffness, high radial capacity and precision support. They are typically paired with double direction angular contact thrust bearings, usually the '2344' series. They are ideal for a floating bearing location as they are internally adjusting (floating). Available with steel or ceramic rollers.Super Precision with Bronze cage and Tapered Bore. Unit of Measure: Imperial Metric Both Bearing Dimensions Load Ratings Attainable Speed (d) Dimension 40 mm (D) Dimension 68 mm (B) Dimension 21 mm