Shop from fixed-bore and small, single-groove to large, multiple-groove bushings at PaulB Hardware. You’ll find a large inventory of bushings and belt sheaves for your transmission needs, for small electric motors to large diesel engines. We sell A, B, C, and A/B sheaves. Shop here for JA, SH, SDS, SD, SK, and other types of bushings. We also sell idler pulleys for all sorts of uses. PaulB Hardware sells trusted brands like Amec and Baldor Maska.