Designation
                
                With shiled :604
	                
                
                Open type :604ZZ
	                
                
                With seal VV :-
	                
                
                With seal DD :-
	                
                
                Principal dimensions(mm)
                
                d :4
	                
                
                D :12
	                
                
                B :4
	                
                
                B1 :4
	                
                
                r(min) :0.2
	                
                
                Basic load ratings(N)
                
                Cr :960
	                
                
                Cor :345
	                
                
                Basic load ratings{kgf} 
                
                Cr :98
	                
                
                Cor :35
	                
                
                Speed ratings(rpm)  
                
                Grease
                
                ZZ :48000
	                
                
                D·D :-
	                
                
                Oil 
                
                Z :56000
	                
                
                Abutment and fillet dimensions (mm)
                
                da(min) :5.6
	                
                
                db(max) :5.6
	                
                
                Da(Max) :10.4
	                
                
                Db(min) :9.9
	                
                
                ra(max) :0.2
	                
                
                rb(max) :0.2
	                
                
                Weight(g) 
                
                Open type :2.25
	                
                
                With shiled :2.29