Bearing NO.  
                
                Cylindrical bore :NN3021
	                
                
                Tapered bore :NN3021K
	                
                
                Boundary dimensions(mm)    
                
                d :105
	                
                
                D :160
	                
                
                B/C :41
	                
                
                r?1.2min :2
	                
                
                r3.4min :2
	                
                
                Basic load ratings(kN) 
                
                Cr :190
	                
                
                Cor :305
	                
                
                Limiting speed(rpm) 
                
                Speed Ratings :5600
	                
                
                Abutment and fillet dimensions(mm)  
                
                da max :117
	                
                
                Da max :147
	                
                
                ra max :2
	                
                
                rb max :2
	                
                
                Weight (kg)
                
                Refer :2.88