British Standards Institution

Sector: Manufacturing

Overview: Under the direction of the Standards Policy and Strategy Committee, is responsible for all matters relating to National standardisation of plain bearings and to formulate the United Kingdom policy for related International standardisation.

Committee standards activity

In Progress (48)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD ISO/TR 31657-4	Plain bearings -- Hydrodynamic plain journal bearings under steady-state conditions. Part 4: Permissible operational parameters for calculation of multi-lobed and tilting pad journal bearings Categories: Bearings. Plain Comment resolution begins : 2019-02-05	Comment resolution
PD ISO/TR 31657-3	Plain bearings -- Hydrodynamic plain journal bearings under steady-state conditions. Part 3: Functions for calculation of tilting pad journal bearings Categories: Bearings. Plain Comment resolution begins : 2019-02-05	Comment resolution
PD ISO/TR 31657-2	Plain bearings -- Hydrodynamic plain journal bearings under steady-state conditions. Part 2: Functions for calculation of multi-lobed journal bearings Categories: Bearings. Plain Comment resolution begins : 2019-02-05	Comment resolution
PD ISO/TR 31657-1	Plain bearings -- Hydrodynamic plain journal bearings under steady-state conditions. Part 1: Calculation of multi-lobed and tilting pad journal bearings Categories: Bearings. Plain Comment resolution begins : 2019-02-05	Comment resolution
PD ISO/TR 23579	Plain Bearings -- Thin-walled half bearings without flange -- Continuous measurement of wall-thickness Categories: Bearings. Plain Drafting begins : 2019-12-06	Drafting
ISO/TC 123/SC 7 N242, ISO/NP 8838	Plain bearings -- Water-lubricated plain bearing materials Categories: Information management \| Standardization. General rules \| Engineering \| Mechanical systems and components \| Bearings \| Bearings. Plain Proposal begins : 2021-07-14	Proposal
ISO/TC 123/SC 7 N195 ISO/NP 4821	Plain bearings -- Dynamic adhesion test method for DLC coated parts under lubricated condition Categories: Measurement and Science \| Metrology and measurement \| Testing \| Engineering \| Mechanical systems and components \| Bearings \| Bearings. Plain \| Lubrication systems \| Surface treatment and coating Proposal begins : 2020-01-16	Proposal
ISO/TC 123/SC 7 N193 ISO/PWI 24137	Plain bearings -- Surface modification by penetrating solid lubricants combined with micro dimple processing Categories: Standardization. General rules \| Engineering \| Mechanical systems and components \| Bearings \| Bearings. Plain \| Lubrication systems \| Surface treatment and coating \| Surface treatment Proposal begins : 2020-01-16	Proposal
ISO/TC 123/SC 6 N209 ISO/NP 12843	Plain bearings -- Reuse, recycling and disposal of plain bearing materials Categories: Information management \| Standardization. General rules \| Engineering \| Mechanical systems and components \| Bearings \| Bearings. Plain Proposal begins : 2021-11-23	Proposal
ISO/NP 6834	Plain bearings -- Thermo-hydrodynamic lubrication design charts for circular cylindrical bearings under steady-state conditions Categories: Information management \| Standardization. General rules \| Engineering \| Mechanical systems and components \| Bearings \| Bearings. General \| Bearings. Plain Proposal begins : 2021-01-18	Proposal

Published (87)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD ISO/TS 24137:2023	Plain bearings. Surface modification by press fitting solid lubricants combined with micro dimple processing Categories: Bearings. Plain Published standard begins : 2023-03-14	Published standard
PD ISO/TR 27507:2010	Plain bearings. Recommendations for automotive crankshaft bearing environments Categories: Bearings. Plain Published standard begins : 2010-08-26	Published standard
PD ISO/TR 21784:2018	Plain bearings. Spray nozzle type directed lubrication for tilting pad bearings Categories: Bearings. Plain Published standard begins : 2018-09-18	Published standard
BS ISO 8838:2024	Plain bearings. Water-lubricated plain bearing materials Categories: Bearings. Plain Published standard begins : 2024-09-10	Published standard
BS ISO 7905-4:2022	Plain bearings. Bearing fatigue. Tests on half-bearings of a metallic multilayer bearing material Categories: Bearings. Plain Published standard begins : 2022-07-06	Published standard
BS ISO 7905-3:2019	Plain bearings. Bearing fatigue. Test on plain strips of a metallic multilayer bearing material Categories: Bearings. Plain Published standard begins : 2019-04-15	Published standard
BS ISO 7905-2:2021	Plain bearings. Bearing fatigue. Test with a cylindrical specimen of a metallic bearing material Categories: Bearings. Plain Published standard begins : 2022-02-24	Published standard
BS ISO 7905-1:2021	Plain bearings. Bearing fatigue. Plain bearings in test rigs and in applications under conditions of hydrodynamic lubrication Categories: Bearings. Plain Published standard begins : 2021-05-06	Published standard
BS ISO 7902-3:2020	Hydrodynamic plain journal bearings under steady-state conditions. Circular cylindrical bearings. Permissible operational parameters Categories: Bearings. Plain Published standard begins : 2020-06-10	Published standard
BS ISO 7902-2:2020	Hydrodynamic plain journal bearings under steady-state conditions. Circular cylindrical bearings. Functions used in the calculation procedure Categories: Bearings. Plain Published standard begins : 2020-06-09	Published standard

Withdrawn (55)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD ISO/TS 31657-4:2020	Plain bearings. Hydrodynamic plain journal bearings under steady-state conditions. Permissible operational parameters for calculation of multi-lobed and tilting pad journal bearings Categories: Bearings. Plain Withdrawn begins : 2025-10-22	Withdrawn
PD ISO/TS 31657-3:2020	Plain bearings. Hydrodynamic plain journal bearings under steady-state conditions. Functions for calculation of tilting pad journal bearings Categories: Bearings. Plain Withdrawn begins : 2025-10-22	Withdrawn
PD ISO/TS 31657-2:2020	Plain bearings. Hydrodynamic plain journal bearings under steady-state conditions. Functions for calculation of multilobed journal bearings Categories: Bearings. Plain Withdrawn begins : 2025-10-22	Withdrawn
PD ISO/TS 31657-1:2020	Plain bearings. Hydrodynamic plain journal bearings under steady-state conditions. Calculation of multi-lobed and tilting pad journal bearings Categories: Bearings. Plain Withdrawn begins : 2025-10-22	Withdrawn
BS ISO 7902-3:1998	Hydrodynamic plain journal bearings under steady-state conditions. Circular cylindrical bearings. Permissible operational parameters Categories: Bearings. Plain Withdrawn begins : 2020-06-10	Withdrawn
BS ISO 7902-2:1998	Hydrodynamic plain journal bearings under steady-state conditions. Circular cylindrical bearings. Functions used in the calculation procedure Categories: Bearings. Plain Withdrawn begins : 2020-06-09	Withdrawn
BS ISO 7902-1:2013	Hydrodynamic plain journal bearings under steady-state conditions. Circular cylindrical bearings. Calculation procedure Categories: Bearings. Plain Withdrawn begins : 2020-08-03	Withdrawn
BS ISO 7148-2:1999	Plain bearings. Testing of tribological behaviour of bearing materials. Testing of polymer-based bearing materials Categories: Bearings. Plain Withdrawn begins : 2012-10-15	Withdrawn
BS ISO 7148-1:1999	Plain bearings. Testing of tribological behaviour of bearing materials. Testing of bearing metals Categories: Bearings. Plain Withdrawn begins : 2012-11-06	Withdrawn
BS ISO 7146-2:2008	Plain bearings. Appearance and characterization of damage to metallic hydrodynamic bearings. Cavitation erosion and its countermeasures Categories: Bearings. Plain Withdrawn begins : 2019-05-21	Withdrawn

Standards Development

MCE/12 - Plain bearings

Committee standards activity