1221.M Self Aligning Ball Bearing is a double row, self-retaining unit; due to the two rows of balls running on the same spherical outer raceway. Benefits include insensitivity to angular misalignments and having the lowest friction of all rolling bearings allowing it to run cooler even at high speeds. This bearing has a Machined brass cage, rolling element centred – denoted by the suffix M.
Particularly suited for applications where misalignment or shaft deflections are anticipated. For a step-by-step guide to measuring a bearing click here. If you need any expert advice on which bearing to select or any other queries then please don’t hesitate to contact us.
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