Inner Diameter: 17mm, Extended Inner Race Width: 16.60mm;
Outer Diameter: 40mm, Outer Race Width: 12mm.
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.