This spherical roller bearing carries radial loads combined with axial loads in both directions through its two rows of rollers set on a common spherical outer ring raceway. It has a bore diameter of 420.0 mm, outside diameter of 620.0 mm, and width of 200.0 mm, with a net mass of 202.5 kg. The bore is tapered at a ratio of 1:30 (K30), allowing mounting on tapered shaft seats or with an adapter sleeve. Limiting speed is 890.0 1/min, reference speed 465.0 1/min. The design is BEA, with a machined brass cage (MB1) and C3 internal clearance. The tapered bore permits mounting with a controlled interference fit, compensating for shaft tolerances and simplifying dismounting compared to a cylindrical bore. C3 internal clearance accommodates thermal expansion during operation and any interference-fit clearance reduction from mounting on the tapered seat. The spherical outer raceway allows the bearing to tolerate shaft misalignment and deflection without edge loading on the rollers. Relubrication is standard, so the bearing can be replenished with grease through the housing during service without dismounting.