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                            d | 
                          40 mm | 
                            D | 
                          68 mm | 
                            Ca | 
                          107000 N | 
                            Coa | 
                          265000 N | 
                            Cua | 
                          N | 
                            Reference speed | 
                          1820 rpm | 
                            Limiting speed | 
                          5200 rpm | 
                            D1 | 
                          42 mm | Inner diameter of seat ring | 
                            da | 
                          min 66 mm | Minimum diameter of shaft shoulder | 
                            Da | 
                          max 43 mm | Maximum diameter of bearing block shoulder | 
                            d1 | 
                          68 mm | Shaft ring crack diameter | 
                            ramax | 
                          1 mm | Maximum cavity radius | 
                            rmin | 
                          1 mm | Minimum chamfer size | 
                            Tmin | 
                          -30 °C | Minimum operating temperature | 
                            Tmax | 
                          120 °C | Maximum operating temperature |