Bearing designation :7781M
	                
                
                Dimensions(mm) 
                
                d :406.4*
	                
                
                D :508*
	                
                
                D1 :
	                
                
                T :61.912
	                
                
                T1 :
	                
                
                B :61.912
	                
                
                C :47.625
	                
                
                C1 :
	                
                
                rmin  :3.3
	                
                
                r1min  :3.3
	                
                
                Load factor        
                
                e :0.37
	                
                
                Y :1.6
	                
                
                Y0 :0.9
	                
                
                Load ratings(N) 
                
                Cr :842000
	                
                
                Cor :2010000
	                
                
                Limiting rotational speed. min-1   
                
                Grease :560
	                
                
                Oil :750
	                
                
                Mass(kg) :27.32