JB/T 51135-1999
Product quality grading of engine roller bearing
Product quality grading of engine roller bearing
Catalogue
Scope, References, Precision, Life, Test
Scope
Engine bearing production, incoming inspection
Applicable to engine special roller bearing
Normative References
Keywords
Engine bearing
precision
fatigue life
high temperature
Application Summary AI generated
1. Graded by precision and high-temperature life
2. Controls high-speed vibration and temperature rise
3. Evaluates high temperature and lubrication performance
4. Unified sampling rules.
Standard Timeline
replaces
JB/T 51135.1
replaces
51135.3-94
Related Standards
JB/T 6728.2-2008
Internal combustion engines - Camshafts - Part 2: Wedge-cross rolling blanks
JB/T 51185-1999
Volute Mixed-Flow Pump - Product Quality Grading (Internal Use)
JB/T 51116-1999
Internal combustion engines - Oil pumps - Product quality grading (Internal use)
JB/T 51115-1999
Diesel engines - Hydraulic speed governors - Product quality grading (Internal use)
JB/T 51111-1999
Internal combustion engines - Paper element oil filter assemblies - Product quality grading (Internal use)
JB/T 51117-1999
Internal Combustion Engines - Valve Seat - Product Quality Grading (Internal Use)
JB/T 51119-1999
Internal combustion engines - Valve tappets - Product quality grading (Internal use)
JB/T 51114-1999
Internal combustion engines - Cooling water pumps - Product quality grading (Internal use)
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.