Detailed Selling Lead Description
The skate ball bearings with Nylon cage, Now Why Nylon?...... The Nylon material is one of the least friction because it is a cupper alloy, less friction means higher speeds. Bearings have Rubber Seals, Bearings are made of Chrome Steel and can rotate up to 41000 rpm with no problems, each bearing has 2 Rubber Seals to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with Oil, bearings are engraved with ABEC-7.Item:608-2RS ABEC-7
Type: Deep groove ball bearings
Closures:2 Rubber Seals
Cage: Nylon(Less friction = Higher Speeds)
Lubrication: Oil
Size:8 mm x 22mm x 7mm

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