MECHANICAL SYSTEMS AND COMPONENTS FOR GENERAL USE

ICSField
21020Characteristics and design of machines,apparatus, equipment
21040Screw threads
21060Fasteners
21080Hinges,eyelets and other articulated joints
21100Bearings
21120Shafts and couplings
21140Seals, glands
21160Springs
21180Housings,enclousers,other machine parts
21200Gears
21220Flexible drives and transmissions
21240Rotary-reciprocating mechanisms and their parts
21260Lubrication systems