HONJIE Deep Groove Ball Bearing Deep-groove Ball Bearings 8x22x7mm Metal Single Row Shielded Miniature 3D Printer RepRap Wheel Longboard Roller Skates Inline Skates Scooters etc. Pack of 10

Feathers: 1, Closed with metal shields to protect the bearing from dust or any possible contamination. 2, Widely used in: Roller skates, Skateboarding, Twisting cars, Running shoes, In-line wheels, Double row wheels, MTB, SUV and other Extreme sports equipment. 3, Fit for skateboards, inline skates, roller skates, scooters, and other skating applications, also available for 3D printer wheel bearings, CNC, etc. 4, Also used in industrial engineering, such as Machinery, Power Transmission, Instrumentation, Household appliances, Internal combustion engines, Transport vehicles, Agricultural machinery, Construction machinery. 5, Easy to use:with simple structure,high speed,less coefficient of friction,less vibration and noise.