D | 
                          170 mm | 
                            B | 
                          58 mm | 
                            Cr | 
                          457 rpm | 
                            Cor | 
                          570 rpm | 
                            Reference speed | 
                          1500 rpm | 
                            limit speed | 
                          1900 rpm | 
                            Type | 
                          圆柱滚子轴承 | 
