Designation
                
                With shiled :602X
	                
                
                Open type :602XZZ
	                
                
                With seal VV :-
	                
                
                With seal DD :-
	                
                
                Principal dimensions(mm)
                
                d :2.5
	                
                
                D :8
	                
                
                B :2.8
	                
                
                B1 :4
	                
                
                r(min) :0.15
	                
                
                Basic load ratings(N)
                
                Cr :550
	                
                
                Cor :175
	                
                
                Basic load ratings{kgf} 
                
                Cr :56
	                
                
                Cor :18
	                
                
                Speed ratings(rpm)  
                
                Grease
                
                ZZ :60000
	                
                
                D·D :-
	                
                
                Oil 
                
                Z :71000
	                
                
                Abutment and fillet dimensions (mm)
                
                da(min) :3.7
	                
                
                db(max) :4.1
	                
                
                Da(Max) :6.8
	                
                
                Db(min) :7
	                
                
                ra(max) :0.15
	                
                
                rb(max) :0.15
	                
                
                Weight(g) 
                
                Open type :0.63
	                
                
                With shiled :0.83