High Quality and Smooth:Skateboard bearing is made of high quality material,the bearings of skateboard meet international standards, high quality, high speed , low friction, it will give you a smoother feeling. Precision Fitment :The ball bearing size is 608s and measures 22mm/0.87in (outer diameter) x 7mm/0.28in (width) x 8mm/0.31in (inner diameter/axle)and(20 pack of skateboard steel bearings). Able to fit perfectly with most of the wheels on the market. Smooth and Fast Pre Lubricated Bearings:Skateboard Bearings contain a super fast, high speed lube that reduces friction to give riders a super smooth and fast ride. Skater Tested:We always test our 608 bearings and these bearings have been tested by our skate team to ensure that they are the best bearings on the market! Customer Service:We provide friendly customer service and 100% satisfaction guarantee for you, if you have any question about our skateboard bearing, please let us know. View our store for more color combinations, pick your color for skateboard wheels and become an eye-catcher both ourdoors and indoors.

This 608-2RS shielded 8x22x7 miniature ball bearing is a single-row bearing for supporting radial loads.

The bearing is made of Bearing steel for durability and resistance to deformity under heavy loads, and is shielded to keep lubricant in and contaminants out. it has a revolutions per minute (RPM) limit of 34,000 with grease lubrication.

The dimensions of this bearing make it suitable for use in skateboards, inline skates, and scooters, among others.

These bearings come in a pack of 20. Rolling bearings use rolling elements to maintain the separation between moving parts to reduce rotational friction and support radial and axial loads.

These elements can be one of the following types: ball, cylindrical, spherical, barrel, needle, spindle, or tapered. All rolling bearings are open, shielded, or sealed. Sealed bearings are lubricated with oil or grease in the bearing factory, while open and shielded bearings are meant to be lubricated in place, with periodic reapplication of lubrication, based on use.

The shield protects the working parts of the bearing from environmental debris that may be introduced and could reduce the ball bearing speed and lifespan. Rolling bearings are used in a range of applications from agricultural machinery to conveying equipment, robotics, dental equipment, elevators, rolling mills, ship rudder shafts, and aggregate crushers, among others.

Features Carbon Steel Material Double Rubber Sealed for lubrication Single-Row Bearing Package Included: 20 Pack

Specification Inner Diameter: 7mm

Outer Diameter: 22mm

Height: 8mm

Application Moderate Load Use: skateboards, inline skates, scooters, roller etc