D | 
                          250 mm | 
                            B | 
                          24 mm | 
                            Cr | 
                          176 rpm | 
                            Cor | 
                          335 rpm | 
                            Reference speed | 
                          1100 rpm | 
                            limit speed | 
                          1400 rpm | 
                            Type | 
                          圆柱滚子轴承 | 
