The WS120155 is an inner ring manufactured by IKO for use with a thrust roller bearing. It belongs to the IKO Thrust Bearings product series and is listed in the metric inner ring range.
The listed bearing material for the WS120155 is carbon steel, and its bearing type is classified as Thrust Bearings. As an inner ring, it is intended for pairing with a compatible thrust roller bearing assembly selected to match these dimensions.