Check the listing for details. Premium High Precision LM25UU-OP Linear 25mm ID OPEN Ball Linear Bushing Bearing. Condition: New. Listed at 16.60 USD. Brand New, High Precision Class with Smooth Moving and Low Friction. Fixed Alignment Open Type with Resin Retainer, Double Seals, 5 Ball Rows and 2 Locking Groove on OD. Dimensions:Inner Diameter: 25mm Outer Diameter: 40mmWidth/length: 59mm Listed Price for ONE PIECE of product only. Order weight over 1Lb will be shipped by Priority Mail for Free. Defective items: 14 business days from date of receipt on items received not as described. All other returns - 30 business days from the date of receipt and all parts must be in their original condition. Parts damaged due to improper installation or abuse are not returnable. Buyer responsible for return shipping and original shipping cost, refund on item subject to a 20% re-stocking fee. Warranty seals may be present, seals are broken, tampered with or removed the warranty is void.