Designation
                
                With shiled :603
	                
                
                Open type :603ZZ
	                
                
                With seal VV :-
	                
                
                With seal DD :-
	                
                
                Principal dimensions(mm)
                
                d :3
	                
                
                D :9
	                
                
                B :3
	                
                
                B1 :5
	                
                
                r(min) :0.15
	                
                
                Basic load ratings(N)
                
                Cr :570
	                
                
                Cor :187
	                
                
                Basic load ratings{kgf} 
                
                Cr :58
	                
                
                Cor :19
	                
                
                Speed ratings(rpm)  
                
                Grease
                
                ZZ :56000
	                
                
                D·D :-
	                
                
                Oil 
                
                Z :67000
	                
                
                Abutment and fillet dimensions (mm)
                
                da(min) :4.2
	                
                
                db(max) :4.3
	                
                
                Da(Max) :7.8
	                
                
                Db(min) :7.9
	                
                
                ra(max) :0.15
	                
                
                rb(max) :0.15
	                
                
                Weight(g) 
                
                Open type :0.87
	                
                
                With shiled :1.45