Home Big Sale [Cheap] 8mm U Groove Ball Bearing 0840UU Groove Guide Pulley Sealed Rail Ball Bearing 8*40*20.7mm Big Sale - January 06, 2020 [SalePrice] Original Price: US$3.92 ([Discount]) Discount Price 8mm U Groove Ball Bearing 0840UU Groove Guide Pulley Sealed Rail Ball Bearing 8*40*20.7mm with Free Worldwide Shipping! Rating : / 4.77 Buy on Banggood Product description SHARE ON Twitter Facebook Whatsapp Pinterest Tags Big Sale