1. Product Overview NUTR302 is heavy-duty yoke-type double row full complement cylindrical roller support track roller, standard dimension 15mm inner bore × 42mm outer diameter × 19mm overall width, interchangeable with NUTR302X / NUTR302/3AS series track rollers. It adopts thickened solid outer ring with crowned spherical running surface, full complement cylindrical roller layout without retainer, greatly increasing the number of rolling elements to achieve ultra-high radial