This S608-2RS ball bearing has races made of stainless steel, balls made of silicon nitride ceramic, and rubber seals. It has an 8 mm inside diameter, a 22 mm outside diameter, and a 7 mm depth. The bearing has deep groove geometry for supporting both radial and axial loads and high speeds. The races are made of stainless steel for resistance to corrosion. The C3 radial clearance allows thermal expansion for continuous operating temperatures up to 248 degrees F/120 degrees C. The bearing meets the Annual Bearing Engineering Committee (ABEC) 5 standard for tolerances. The bearing is open on both sides for lubricating in place. The ball is made of silicon nitride ceramic for resistance to shock, corrosion, and high temperatures. This deep groove ball bearing is used in applications such as skateboards and rollerblades, among others.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.
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