The Koyo 21312 W33 is a high-quality spherical roller bearing designed for demanding industrial applications. Featuring a 60mm inner diameter, 130mm outer diameter, and 31mm width, this robust bearing ensures reliable performance and durability. Its W33 designation indicates an annular groove and three lubrication holes in the outer ring, facilitating efficient lubrication. Ideal for machinery requiring high load capacity and misalignment compensation.