ITEM NAME:10 Pcs 4x13x7mm U624ZZ 1.8mm U Groove Guide Pulley Sealed Rail Ball Bearing.10 Pcs U624ZZ 1.8mm U Groove Guide Pulley Sealed Rail Ball Bearing 4x13x7mm. Model: U624ZZ. U Groove Width: 5.2mm/0.2". U Groove Depth: 1.8mm/0.07". Height: 7mm/ 0.27". Quantity: 10 Pcs/1 Set. 10 x Bearings.
