7 Parts of machines, namely, [ small-end bearings, big-end bearings, bearings for centrifuges, rolling-bearing balls, rolling-bearing rollers, bearing sleeves, pedestal-bearing housings, flanged housings, standing and suspended bearing blocks, wall brackets for bearings, adapter sleeves, rope pulleys, tread rollers, shaft rollers, eccentric rollers, bearing sleeves for spindles, ] rolling and plain bearings, including spherical bearings, rod ends, rod-end bearings and ball bushes, [ withdrawal sleeves for rolling and plain bearings; conveying rollers and bridges, shaft seals, seals for bearings and bearing housings; mountings for locomotive turntables; feeding and conveying machines and mechanical equipment for transporting formed parts and small parts, including feed, withdrawal, transport, conveying and transfer machines; elevators; charging machines, sorting machines; distributing, separating, insertion, tilting machines, roller feeds ]