The NTN NK110/40R is a high-quality caged needle roller bearing engineered for heavy radial loads and high speeds. This specific bearing is supplied without an inner ring, making it suitable for direct mounting on a hardened and ground shaft, or for use with a separately purchased inner ring, such as the NTN 1R100X110X40. Featuring a bore diameter (Fw) of 110 mm, an outer diameter of 130 mm, and a width of 40 mm, this bearing ensures robust and reliable performance in demanding industrial and agricultural machinery applications. The composite part number 'nk11040r1r100x110x40' often refers to a combination of this bearing and its matching inner ring.