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                            d | 
                          40 mm | 
                            D | 
                          78 mm | 
                            Ca | 
                          123000 N | 
                            Coa | 
                          385000 N | 
                            Cua | 
                          N | 
                            Reference speed | 
                          1780 rpm | 
                            Limiting speed | 
                          4900 rpm | 
                            D1 | 
                          42 mm | Inner diameter of seat ring | 
                            da | 
                          77 mm | Minimum diameter of shaft shoulder | 
                            Da | 
                          44 mm | Maximum diameter of bearing block shoulder | 
                            d1 | 
                          78 mm | Shaft ring crack diameter | 
                            ra | 
                          1 mm | Cavity radius | 
                            B | 
                          22 mm | width | 
                            rmin | 
                          1 mm | Minimum chamfer size | 
                            Dc1 | 
                          40 mm | Inner diameter of cage |