D | 
                          280 mm | 
                            B | 
                          58 mm | 
                            Cr | 
                          627 rpm | 
                            Cor | 
                          750 rpm | 
                            Reference speed | 
                          2200 rpm | 
                            limit speed | 
                          3000 rpm | 
                            Type | 
                          圆柱滚子轴承 | 
