This standard specifies the basic dimensions and tolerances affecting the interchangeability of flywheels with spring-loaded single- or twin-disc clutches. This flywheel system is used for reciprocating internal combustion engines and flywheel housings and clutches involved in ISO 7648 and ISO 7649. Dimensions and tolerances not specified in this standard are left to the discretion of the component manufacturer. This standard applies to reciprocating internal combustion engines, but does not include aviation and passenger car engines. This standard also applies to engines for other purposes where there are no specific international standards.
JB/T 8894-2015 Referenced Document
GB/T 1182-2008 Geometrical Product Specifications(GPS).Geometrical tolerancing.Tolerances of form,orientation,location and run-out
GB/T 1800.2-2009 Geometrical Product Specifications (GPS) Limits and fits--Part 2:Tables of standard tolerance grades and limit deviations for holes and shafts
JB/T 8894-2015 history
2015JB/T 8894-2015 Flywheels for reciprocating internal combustion engines.Installation dimensions for clutches
1999JB/T 8894-1999 Flywheels for reciprocating internal combustion engines.Installation dimensions for clutches