This part specifies the structural type, technical requirements, inspection methods, inspection rules and marking, packaging, transportation and storage of the integral single-layer rocker arm bushing of internal combustion engines. This section is applicable to the overall single-layer rocker arm bushing of reciprocating internal combustion engines with a cylinder diameter within 200 mm.
JB/T 7292.3-2018 history
2018JB/T 7292.3-2018 Bushings for internal combustion engines - Part 3: Specifications for rocker bushings