Ball Bearing 15x21x4mm (2RS) (2) (ARA610038)

Two-pack rubber-shielded ball bearings (15 x 21 x 4 mm) designed as a precise replacement part for ARRMA RC vehicles.

These bearings are precision manufactured for ultra-smooth operation and easy installation, with rubber shields that seal out dirt, water and dust while keeping lubrication inside. The 15 x 21 x 4 mm size provides a secure, compatible fit for typical drivetrain components, delivering reliable performance with less maintenance.