If you have a bearing supply shop nearby, take your old ones in with you (or at least the part numbers) and they will match them for you. I did this last winter for the bigger drive-side rear wheel bearing and was surprised the replacement was made by the same company, had same part number and looked identical to the 28 year old one - except the new one had seals on both sides. It cost less than $14.cdn including 13% tax. New bearings are a good deal.