Split cylindrical roller bearings are intended primarily for bearing arrangements which are difficult to access or for cranked shafts. It is advantageous to use them in all cases where the maintenance or replacement of non-split bearings would require considerable extra time-consuming effort and would cause long and expensive or even inadmissible machine downtime. Some common applications for split cylindrical roller bearings are cold tube rolling mill (Pilger mill) crankshafts, bucket wheel excavators, conveyor pulleys, rolling mill drive spindles as well as large critical ventilation installations.