Boundary dimensions(mm)  | 
                          Basic load ratings(kN)  | 
                          Limiting speeds(rpm)  | 
                          Mass(Kg)  | 
                          Bearing Number  | 
                         
                        
                          d  | 
                          D  | 
                          B  | 
                          rs min  | 
                          rs1 min  | 
                          Cr  | 
                          Cor  | 
                          Grease  | 
                          Oil  | 
                          (Approx.)  | 
                          PYC  | 
                         
                        
                          40  | 
                          90  | 
                          23  | 
                          1.5  | 
                          1.5  | 
                          58.5  | 
                          57.0  | 
                          8,000  | 
                          9,400  | 
                          0.643  | 
                          N308  | 
                         
                        
                          45  | 
                          100  | 
                          25  | 
                          1.5  | 
                          1.5  | 
                          74.0  | 
                          71.0  | 
                          7,200  | 
                          8,400  | 
                          0.857  | 
                          N309  | 
                         
                        
                          50  | 
                          110  | 
                          27  | 
                          2  | 
                          2  | 
                          87.0  | 
                          86.0  | 
                          6,500  | 
                          7,700  | 
                          1.11  | 
                          N310  | 
                         
                        
                          55  | 
                          120  | 
                          29  | 
                          2  | 
                          2  | 
                          111  | 
                          111  | 
                          5,900  | 
                          7,000  | 
                          1.42  | 
                          N311  | 
                         
                        
                          60  | 
                          130  | 
                          31  | 
                          2.1  | 
                          2.1  | 
                          124  | 
                          126  | 
                          5,500  | 
                          6,500  | 
                          1.76  | 
                          N312  | 
                         
                        
                          65  | 
                          140  | 
                          33  | 
                          2.1  | 
                          2.1  | 
                          135  | 
                          139  | 
                          5,100  | 
                          6,000  | 
                          2.18  | 
                          N313  | 
                         
                        
                          70  | 
                          150  | 
                          35  | 
                          2.1  | 
                          2.1  | 
                          158  | 
                          168  | 
                          4,700  | 
                          5,500  | 
                          2.65  | 
                          N314  | 
                         
                        
                          75  | 
                          160  | 
                          37  | 
                          2.1  | 
                          2.1  | 
                          190  | 
                          205  | 
                          4,400  | 
                          5,200  | 
                          3.21  | 
                          N315  | 
                         
                        
                          80  | 
                          170  | 
                          39  | 
                          2.1  | 
                          2.1  | 
                          190  | 
                          207  | 
                          4,100  | 
                          4,800  | 
                          3.77  | 
                          N316  | 
                         
                        
                          85  | 
                          180  | 
                          41  | 
                          3  | 
                          3  | 
                          212  | 
                          228  | 
                          3,900  | 
                          4,600  | 
                          4.44  | 
                          N317  | 
                         
                        
                          90  | 
                          190  | 
                          43  | 
                          3  | 
                          3  | 
                          240  | 
                          265  | 
                          3,700  | 
                          4,300  | 
                          5.18  | 
                          N318  | 
                         
                        
                          95  | 
                          200  | 
                          45  | 
                          3  | 
                          3  | 
                          259  | 
                          285  | 
                          3,400  | 
                          4,000  | 
                          5.99  | 
                          N319  | 
                         
                        
                          100  | 
                          215  | 
                          47  | 
                          3  | 
                          3  | 
                          299  | 
                          335  | 
                          3,300  | 
                          3,800  | 
                          7.32  | 
                          N320  | 
                         
                        
                          105  | 
                          225  | 
                          49  | 
                          3  | 
                          3  | 
                          320  | 
                          360  | 
                          3,100  | 
                          3,700  | 
                          8.33  | 
                          N321  | 
                         
                        
                          110  | 
                          240  | 
                          50  | 
                          3  | 
                          3  | 
                          360  | 
                          400  | 
                          3,000  | 
                          3,500  | 
                          9.77  | 
                          N322  | 
                         
                        
                          120  | 
                          260  | 
                          55  | 
                          3  | 
                          3  | 
                          450  | 
                          510  | 
                          2,700  | 
                          3,200  | 
                          12.5  | 
                          N324  | 
                         
                        
                          130  | 
                          280  | 
                          58  | 
                          4  | 
                          4  | 
                          560  | 
                          665  | 
                          2,500  | 
                          2,900  | 
                          17  | 
                          N326  | 
                         
                        
                          140  | 
                          300  | 
                          62  | 
                          4  | 
                          4  | 
                          615  | 
                          745  | 
                          2,300  | 
                          2,700  | 
                          20.7  | 
                          N328  | 
                         
                        
                          150  | 
                          320  | 
                          65  | 
                          4  | 
                          4  | 
                          665  | 
                          805  | 
                          2,100  | 
                          2,500  | 
                          24.7  | 
                          N330  | 
                         
                      
                     
                    
                     
                   
                   |