Cheap And Discounts 13267 Non-standard Ball Bearings ( 2 PCS ) Inner Diameter 13 mm Outer Diameter 26 mm Thickness 7 mm Bearing 13*26*7 mm Wholesale. Buy Directly From Merchant Explorer Pro Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.