Designation
                
                With shiled :689
	                
                
                Open type :689ZZ1
	                
                
                With seal VV :689VV
	                
                
                With seal DD :689DD
	                
                
                Principal dimensions(mm)
                
                d :9
	                
                
                D :17
	                
                
                B :4
	                
                
                B1 :5
	                
                
                r(min) :0.2
	                
                
                Basic load ratings(N)
                
                Cr :1330
	                
                
                Cor :665
	                
                
                Basic load ratings{kgf} 
                
                Cr :136
	                
                
                Cor :68
	                
                
                Speed ratings(rpm)  
                
                Grease
                
                ZZ :36000
	                
                
                D·D :24000
	                
                
                Oil 
                
                Z :43000
	                
                
                Abutment and fillet dimensions (mm)
                
                da(min) :10.6
	                
                
                db(max) :11.5
	                
                
                Da(Max) :15.4
	                
                
                Db(min) :15.2
	                
                
                ra(max) :0.2
	                
                
                rb(max) :0.2
	                
                
                Weight(g) 
                
                Open type :3.53
	                
                
                With shiled :4.43