| KOYO 6304-2RS Bearing | 20 | 52 | 15 | KOYO | Deep Groove Ball Bearings | 
    | NTN 6304 Bearing | 20 | 52 | 15 | NTN | Deep Groove Ball Bearings | 
    | FLT NJ 304 Bearing | 20 | 52 | 15 | FLT | Cylindrical Roller Bearings | 
    | STEYR 6304 Bearing | 20 | 52 | 15 | STEYR | Deep Groove Ball Bearings | 
    | RHP 6304 N Bearing | 20 | 52 | 15 | RHP | Deep Groove Ball Bearings | 
    | FAG NJ304E Bearing | 20 | 52 | 15 | FAG | Cylindrical Roller Bearings | 
    | STEYR 1204 K+H 204 Bearing | 20 | 52 | 15 | STEYR | Self-aligning Ball Bearings | 
    | TORRINGTON 6304-RS Bearing | 20 | 52 | 15 | TORRINGTON | Deep Groove Ball Bearings | 
    | KOYO 6304BI Bearing | 20 | 52 | 15 | KOYO | Angular Contact Ball Bearings |