F688ZZ Flanged Ball Bearing - 8x16x5mm bearing with 8mm inner diameter and flanged edge – Single-row deep groove with double shields.
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These F688ZZ Flanged Ball Bearings are multi-purpose single-row deep groove bearings with a single flange on one side, designed to reduce rotational friction and support rotational and axial loads. The flange or lip on the one side allows the bearing to centre itself, while fitting flush within holes or depressions. It utilises balls within a double shielded enclosure to greatly reduce friction, as the balls can roll between the outer and inner rings, rather than having metal slide over metal.
Flanged Radial Bearings like these are also used within machines like 3D Printers that have timing belts, and allow the belt to move and rotate while the edge holds the belt in place and keeps it from sliding off. Typically, two of these bearings will be used together to keep belts centred, but double-flanged bearings can also be used instead.
– Single-Row Deep Groove
– 8 - Extra Thin Section
– Two Metal Shields
– 36 (Grease) / 43 (Oil)
Although these F688ZZ Flanged Ball Bearing are most commonly used for applications involving timing belts, the flanges can also be used to keep the bearing in place. This is especially useful if the bearing is positioned at the end of a rod, in which case you may not want it to be able to move up and down the rod. In this example, the flange could be used to anchor the bearing to a particular point and prevent it from moving out of the position it needs to be in.
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