Supply Of Suspension Bearing Oil/turbine Oil For Rolling Stock Applications Conforming To Is 1012-1993 Re-affirmed 1998 For The Brands / Grades Of Procucts Approved By Rdso. Suspension Bearing Oil/turbine Oil: Plain /bush Type Servo Prime-76 Ioc Turbinol-77 Hpc Mak Turbol-78 Bpc Balmerol Protomac T 76 Bl & Co. And Other Rdso Approved Brands..