Bearing NO.  
                
                Cylindrical bore :NN3920
	                
                
                Tapered bore :NN3920K
	                
                
                Boundary dimensions(mm)    
                
                d :100
	                
                
                D :140
	                
                
                B/C :30
	                
                
                r?1.2min :1.1
	                
                
                r3.4min :1.1
	                
                
                Basic load ratings(kN) 
                
                Cr :106
	                
                
                Cor :182
	                
                
                Limiting speed(rpm) 
                
                Speed Ratings :6300
	                
                
                Abutment and fillet dimensions(mm)  
                
                da max :109
	                
                
                Da max :131
	                
                
                ra max :1
	                
                
                rb max :1
	                
                
                Weight (kg)
                
                Refer :1.32