Cheap And Discounts 10PCS ABEC-5 688-2RS High quality 688RS 688 2RS RS L1680 8x16x5 mm Miniature double Rubber seal Deep Groove Ball Bearing Wholesale. Buy Directly From Merchant pmgn Official Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.