This spherical roller bearing carries radial loads through two rows of rollers guided on a common sphered raceway in the outer ring, allowing the inner ring, rollers and cage to self-align under shaft deflection or housing misalignment. Main dimensions follow DIN 635-2: bore 110.0 mm, outside diameter 180.0 mm, width 56.0 mm, net mass 5.51 kg. The limiting speed is 3700 1/min, reference speed 2550 1/min. Design E1A gives a reinforced roller set and optimized raceway geometry for higher load carrying capacity within the standard envelope. The bearing is fitted with a machined brass cage (M) and a C4 radial internal clearance, wider than normal, which compensates for the temperature rise and interference fit typical of tight mounting conditions. Cylindrical bore (Z-type marking) simplifies mounting directly on the shaft without an adapter sleeve. Standard relubrication feature allows grease replenishment through the outer ring during operation, suiting continuous duty where periodic maintenance intervals are required.