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The bearing links are below. For additional questions or concerns please call us at (561) 998-0004.
#YCWK6802-2YS NB2 – set of 4 for the wheels
https://www.bocabearings.com/products/ycwk6802-2ys-nb2-16238
SMR6804C-2YS NB2 4 of these for the wheels as well
https://www.bocabearings.com/products/smr6804c-2ys-nb2-7709