D | 
                          90 mm | 
                            B | 
                          20 mm | 
                            Cr | 
                          73.5 rpm | 
                            Cor | 
                          69.5 rpm | 
                            Reference speed | 
                          8500 rpm | 
                            limit speed | 
                          9000 rpm | 
                            Type | 
                          圆柱滚子轴承 | 
