23040K/W33

23040K/W33 is a double-row self-aligning roller bearing with an inner diameter of 200mm, an outer diameter of 310mm, and a width of 82mm (K represents 1:12 conical hole compatible with tightening sleeve/retention sleeve installation, and W33 represents the outer ring with a ring-shaped lubrication groove and 3 lubrication holes). The core function is to be a shaft system support component that can facilitate convenient assembly and disassembly, self-aligning compensation, and online lubrication maintenance under heavy-load and high-frequency maintenance conditions. It can compensate for an installation misalignment of 2°, withstand large radial loads and bidirectional medium axial loads. The conical hole and tightening sleeve can quickly locate, disassemble, and adjust the radial clearance on a smooth shaft without a shoulder. The W33 structure of the outer ring supports online lubrication without stopping the machine, extending the maintenance cycle and bearing life. Compared to the 23040K model without W33, it is more suitable for heavy-load equipment with long-term continuous operation and high lubrication maintenance frequency. Compared to the 23040F3/W33 model with cylindrical holes, it is more suitable for working conditions where the shaft neck has no shoulder and frequent disassembly and adjustment are required. It is the preferred support solution for heavy-load vibrating and impact equipment such as support rollers of metallurgical rolling mills, eccentric shafts of mining crushers, shafts of cement vertical mills, input shafts of heavy reducers, and rotating mechanisms of port handling equipment, which require long-term stable operation and are subject to changes in installation benchmarks. It can achieve a balance of high load-bearing reliability, convenient assembly and disassembly efficiency, and online lubrication maintenance under restricted maintenance conditions.