Key Specifications/Special Features: • Deep V-groove ball bearing, HTML 608 RS 2RS • 8x22x7 608 skateboard bearings • Generally in the skateboard industry, 608zz (8x22x7mm) is the most popular and most widely used bearing • Vast majority of customers will choose this specification, while some may use other sizes as well, include 6900zz (10x22x6mm), 627zz (7x22x7mm) and 688zz (8x16x5mm) • Applications: skate, skateboard and longboard