Wälzlager und Achsstützstruktur eines Hauptmotors für Schienenfahrzeug

摘要

A cylindrical roller bearing 31 comprises an inner ring 32, an outer ring 33 having the same axial width as the inner ring 32 and having an insulation layer formed on an outer diameter surface and both end faces thereof, cylindrical rollers 34 as rolling bodies arranged between the inner ring 32 and the outer ring 33, a retainer 35 retaining intervals of the cylindrical rollers 34, and a seal 36 as a sealing member for sealing both ends of the bearing. The seal 36 has a channel shaped sectional configuration projecting from both end faces of the inner ring 32 and the outer ring 33 and it is formed by injection molding with a resin material.