Sears Craftsman 6" x 9" Belt Disc Sander, Idler Pulley Bearings. Set of 2.
Bearings have a 30mm OD, 1/2" ID, and an external snap ring.
The last two pictures show for reference the mating shaft and exploded parts view. This listing is for the bearings only.
Will fit Craftsman sanders including: 10322540, 11322520, 11322521, 11322540, 11322541, 11322580, 113225830, 113225831, 113225801, 113225900, 113.225930, 113.225931, 113.225933, 113225941 as well as some similar models manufactured by Emerson and sold under other brand names.