BEARING RADIAL BALL NSK 200 (Komatsu KO3EE-72-21250)

A worn radial ball bearing can cause shaft misalignment and premature component failure. The aftermarket replacement part references Komatsu as the OE maker and cross-references part number KO3EE-72-21250. This bearing type supports rotating shafts by reducing friction between moving parts. A common failure consequence is increased vibration, which may lead to noise and eventual seizure. Keeping the bearing in sound condition helps maintain smooth rotational motion. Verify the serial number or application, then call (562) 693-7748. The part is a radial ball bearing, typically used in applications requiring radial load support.

Part number variants: KO3EE-72-21250, ko3ee-72-21250, KO3EE7221250, ko3ee7221250