FKN-50JT-52-0R22 FKN-50JT-52-10R FKN-50JT-52-10RCL FKN-50JT-52-10RCU FKN-50JT-52-10RFB FKN-50JT-52-15R FKN-50JT-52-1R FKN-50JT-52-22R FKN-50JT-52-2R2 FKN-50JT-52-2R7