Link
https://www.camaros.net/threads/1969...337897/page-31
Lifted from Lloyds Build.
There are 2 bearings in the smog pump, a needle bearing, style B248 1 1/2" ID x 1 7/8" OD x 1/2" width that is pressed into the access hole in the internal drum and another at the top (pulley end) of the main case, a sealed 6203LLBC3/EM radial ball bearing, 17 mm bore ID, 40 mm OD, 12 mm width.