6304ZZ Bearing Set (2-Pack) for Scooters, ATVs, Go-Karts, and Dirt Bikes

Description

This is a set of two 6304ZZ double shielded bearings for use in many applications, including wheels of gas scooters, ATVs, dirt bikes, go karts, & custom applications. Also commonly referred to as 6304Z series.
Shielded (ZZ or Z suffix) scooter bearings of this size are commonly used in wheels, transmissions, gearboxes, and various other GY6/QMB139 engine components.
These single-row, deep groove ball bearings are designated as medium-weight and feature a 20 mm diameter bore hole.
Be sure to check your existing bearings for the series number, which is often etched onto the outside wall of the bearing.

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