D | 
                          180 mm | 
                            B | 
                          46 mm | 
                            Cr | 
                          292 rpm | 
                            Cor | 
                          440 rpm | 
                            Reference speed | 
                          1700 rpm | 
                            limit speed | 
                          2000 rpm | 
                            Type | 
                          圆柱滚子轴承 | 
