Brand-X Plus bearings are a high-quality replacement sealed cartridge bearing, specifically designed for suspension pivots. The Standard radial bearings use 14 balls, whereas Brand-X has squeezed the maximum number of 25 balls into each Plus bearing.This means that the Plus option they a higher load capacity and improved resistance to lateral forces. Both bearings come with two rubber seals that keep the elements out and the grease in, which will keep them running smooth.Key Features:Precision engineered, replacement sealed cartridge bearing for suspension pivots,Plus option has additional bearings to give a higher load capacity and improved resistance to lateral forces,Rubber seals protect from the elements,SUJ2 steel gives high strength and durability.