Designation :31311J2/QCL7C
	                
                
                Principal dimensions(mm)
                
                d1 :55
	                
                
                D :120
	                
                
                B :31,5
	                
                
                Basic load ratings(KN) 
                
                dyc(Cr) :140
	                
                
                stc(Cor) :137
	                
                
                Pu :16,6
	                
                
                Speed ratings(rpm) 
                
                Speed Ratings :4300
	                
                
                Limiting Speed :5600
	                
                
                Weight(Kg) :1,55
	                
                
                ISO335 
                
                Dimensions (ABMA) :7FB
	                
                
                Dimensions (mm)      
                
                d :55
	                
                
                d1~ :88,4
	                
                
                B :29
	                
                
                C :21
	                
                
                r1,2(min) :2,5
	                
                
                r3,4(min) :2
	                
                
                a :37
	                
                
                Abutment and fillet dimensions (mm) 
                
                da(max) :68
	                
                
                db(min) :65
	                
                
                Da(min) :94
	                
                
                Da(max) :112
	                
                
                Db(min) :113
	                
                
                Ca(min) :4
	                
                
                Cb(min) :10,5
	                
                
                ra(max) :2
	                
                
                rb(max) :2
	                
                
                Value  
                
                e :0,83
	                
                
                Y :0,72
	                
                
                Yo :0,4