GB/T 7631.4-1989
ActiveLubricants and related products (class L)--Classification--Part 4:Family F (Spindlebearings，bearings and associated clutches)
润滑剂和有关产品(L类)的分类 第4 部分:F组 (主轴、轴承和有关离合器)
Application Summary AI generated
GB/T 7631.4-1989 defines the classification system for lubricants used in spindle bearings, bearings, and associated clutches, grouping them under Family F of the L-class lubricant classification. It is applied in industrial machinery and equipment where precise lubrication is required for high-speed spindles, rolling or sliding bearings, and clutch mechanisms to ensure proper performance and longevity. This standard is used by manufacturers and maintenance engineers to select appropriate lubricants based on specific operational conditions and machine design.
Related Standards
GB/T 7631.2-2003
Lubricants，industrial oils and related products(class L)--Classification--Part 2: Family H(Hydraulic systems)
GB/T 7631.17-2003
Lubricants，industrial oils and related products(class L)--Classification--Part 17:Family E(Internal combustion engine oils)
GB/T 12579-2002
Determination of foaming characteristics of lubricating oils
GB/T 2433-2001
Petroleum products--Lubricatingoils and additives--Determination of sulphated ash
GB/T 7631.16-1999
Lubricants and related products(class L)--Classification--Part 16:Family P (Pneumatic tools)
GB/T 12583-1998
Standard test method for measurement of extreme-pressure properties of lubricating fluids(four-ball method)
GB/T 7631.15-1998
Lubricants and related products(class L)--Classification--Part 15:Family N (Insulating liquids)
GB/T 7631.14-1998
Lubricants and related products(class L)--Classification--Part 14:Family U (Heat treatment)
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.