E5019XNNTS1 Nachi Sheave Bearing Double Row Full Complement Cylindrical Roller Bearing Made in Japan E5019XNNTS1 Nachi Sheave Bearing, E5019XNNTS1 Nachi is a double row full Complement cylindrical roller bearing, E5019XNNTS1 Nachi has hightest dynamic and static load ratings, bearing has Superior sealing capability and it has unique design rubber contact seal prevents dust & water invasion, E5019XNNTS1 Nachi lubricates with a lithium soap-based grease containing an EP additive, E5019XNNTS1 Nachi lubricates through lubrication hole & grooves only in inner ring.