The NAG4911 is an IKO roller bearing in the Roller Bearings series. It uses a full complement internal structure and is made from high carbon chrome steel, with an oil hole included in the bearing design.
The listed bearing type is Roller Bearings, and the listed bearing material is High Carbon Chrome Steel. The product title also identifies high carbon steel construction and an oil hole.
The NAG4911 has a 55 mm bore, an 80 mm outer diameter, a 25 mm width, and a minimum radius of 1.0 mm. Compatibility should be checked against the mating shaft and housing requirements using these stated dimensions.
The supplied product data lists a basic dynamic load rating of 48,100 N, a basic static load rating of 77,700 N, and a mass of 395.000 g. These values are provided as published specification data for reference when comparing bearings.