TAIKO KIKAI.NA.051 O-ring TAIKO KIKAI.NA.050 O-ring TAIKO KIKAI.NA.022 Stage bush TAIKO KIKAI.NA.052 O-ring TAIKO KIKAI.NA.101 Shaft TAIKO KIKAI.NA.520 rectifierMECHANICAL SEAL SM220BL 390 rectifier