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MR 2231 2RS ball bearing sold individually. Dimensions: 22 x 31 x 7 mm
Dimensions: 24 x 37 x 7 mm Specifically designed for cycling, this intermediate quality range is ideal for withstanding the constraints of the terrain. This bearing is often originally fitted to your bike (OEM). Each component (balls, rings, cages and grease) is manufactured and assembled with precision.BlackBearing B3 bearings are 100% compatible as a replacement for your original bearings. Features : SAE52100 Chrome Steel Balls SAE52100 Chrome Steel Bushings Chrome steel cage "2RS" seals resistant to water and dust Premium grease