These ABEC 7 BEARINGS are excellent bearings and at an excellent price!
• Easy to maintain - because of non-contact removable and replaceable rubber shields.
• Twice inspected, pre-lubed and pre-spun.
• Full rustproof coating on both high precision deep groove races.
• Non-corrosive Delrin retainers which cradle hard anodized chrome steel balls. Chrome steel bearing balls are stronger, faster and smoother rolling.
• Heat-treated chrome steel inner and outer races and non-corrosive nylon retainer.
Super reliable, easy to clean and FAST! If you're not sure which type to get, We recommend these bearings, they will not let you down. There is a reason that these are one of the highest selling bearings on the market!