GB/T 21466.3-2025 Active National standards

GB/T 21466.3-2025 Plain bearing—Hydrodynamic plain journal circular cylindrical bearings under steady-state conditions—Part 3:Permissible operational parameters

Publish Date: 2025-10-31 Implement Date: 2026-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 21466.3-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Sliding bearing

ICS Name: Sliding bearings

Publish Date: 2025-10-31

Implement Date: 2026-02-01

Pages: 16 pages

Scope

This document specifies the empirical values for the allowable minimum film thickness hlim, the allowable maximum bearing temperature Tlim, and the allowable maximum specific pressure plim.
In certain specific applications, such as when considering the information provided by the manufacturer, the aforementioned empirical values may be modified. For calculation examples and symbol definitions, please refer to GB/T 21466.1.

Development Information

Word Count: 17 Thousand words Pages: 16 pages

Same series standard

GB/T 21466.2-2025 Plain bearing—Hydrodynamic plain journal circular cylindrical bearingsunder steady-state conditions—Part 2:Functions used in the calculationprocedure

Replace the following standards

GB/T 21466.3-2008 Hydrodynamic plain journal bearings under steady-state conditions—Circular cylindrical bearings—Part 3:Permissible operational parameters

Referenced Standards

GB/T 21466.1-2025

Adopt standards

ISO 7902-3:2020

Related Standards

GB/T 7308-1987 Replaced

GB/T 7308-1987 Plain bearings—Thin-walled flanged half bearings—Dimensions, tolerances and methods of checking

Publish Date: 1987-02-24

GB/T 3162-1991 Replaced

GB/T 3162-1991 Plain bearings—Thin-walled bearing shells—Dimensions, structure elements and tolerances

Publish Date: 1991-04-30

GB/T 12948-1991 Replaced

GB/T 12948-1991 Plain bearings—Metallic multilay er plain bearings—Destructive testing of bond for bearing metals

Publish Date: 1991-06-01

GB/T 12949-1991 Abolished

GB/T 12949-1991 Plain bearings—Bimetallic bushes with plastic overlay

Publish Date: 1991-06-04

GB/T 13345-1992 Replaced

GB/T 13345-1992 General technical requirement of oil film bearing for rolling mill

Publish Date: 1992-01-07

GB/T 14910-1994 Replaced

GB/T 14910-1994 Plain bearings—Requirements on backings for thick-walled multilayer bearings

Publish Date: 1994-02-21