These Precision 9 Bearings are designed for skateboard use and are made with high-quality materials to ensure a smooth ride.
The balls run in deep-groove raceways and are retained by a self-lubricating Delrin crown. A low viscosity synthetic oil has been added to minimize friction and maximize spin.
The bearings also feature dual rubber shields to protect against dust and other contaminan…

This set of two Precision Ball Bearings in size 15x 28x 7mm offers high performance in mechanical power transmission.
The bearings feature HCCA ultralite balls, ABEC 5 high precision tolerances, dual no-contact rubber seals, and ACERGoo synthetic grease.
These features ensure smooth operation and durability. Additionally, ceramic bearings are available for purchase in the seller's eBay st…