Stens 230-461 Metal Pillow Block Bearing, Replaces Ref No: SY1.FM, for Mortar Mixers, 2.835" Height, 1" Inside Diameter Go to amazon.com Related posts Top 16 recommendation mortar mixer bearings for 2022 FeatureReplaces Ref No: SY1.FMFor mortar mixers2.835" Height, 1" Inside Diameter DescriptionReplaces Ref No: SY1.FM, For mortar mixers, 2.835" Height, 1" Inside Diameter.