This standard specifies the structural type, technical requirements, inspection rules and marking, packaging, transportation and storage of bimetal rolled camshaft bushings for internal combustion engines. This standard applies to rolled camshaft bushings for tractors, automobiles, construction machinery, marine and stationary reciprocating piston internal combustion engines with a cylinder diameter within 200 mm. Internal combustion engine camshaft bushings made of a single-layer material can be implemented in accordance with JB/T 7292.3.