Designation :31306J2/Q
	                
                
                Principal dimensions(mm)
                
                d1 :30
	                
                
                D :72
	                
                
                B :20,75
	                
                
                Basic load ratings(KN) 
                
                dyc(Cr) :55
	                
                
                stc(Cor) :50
	                
                
                Pu :5,7
	                
                
                Speed ratings(rpm) 
                
                Speed Ratings :7500
	                
                
                Limiting Speed :9500
	                
                
                Weight(Kg) :0,39
	                
                
                ISO335 
                
                Dimensions (ABMA) :7FB
	                
                
                Dimensions (mm)      
                
                d :30
	                
                
                d1~ :52,7
	                
                
                B :19
	                
                
                C :14
	                
                
                r1,2(min) :1,5
	                
                
                r3,4(min) :1,5
	                
                
                a :22
	                
                
                Abutment and fillet dimensions (mm) 
                
                da(max) :40
	                
                
                db(min) :37
	                
                
                Da(min) :55
	                
                
                Da(max) :65
	                
                
                Db(min) :68
	                
                
                Ca(min) :3
	                
                
                Cb(min) :6,5
	                
                
                ra(max) :1,5
	                
                
                rb(max) :1,5
	                
                
                Value  
                
                e :0,83
	                
                
                Y :0,72
	                
                
                Yo :0,4