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Engineering > Mechanical systems and components

Mechanical systems and components

Mechanical systems and components Sub-categories (13)

  1. Characteristics and design of machines, apparatus, equipment
  2. Screw threads
  3. Fasteners
  4. Hinges, eyelets and other articulated joints
  5. Bearings
  6. Shafts and couplings
  7. Seals, glands
  8. Springs
  9. Housings, enclosures, other machine parts
  10. Gears
  11. Flexible drives and transmissions
  12. Rotary-reciprocating mechanisms
  13. Lubrication systems

Latest standards activities

Proposals
Drafts

BS ISO 12130-2

Plain bearings — Hydrodynamic plain tilting pad thrust bearings under steady-state conditions. Part 2: Functions for calculation of tilting pad thrust bearings

Feedback closing date:

26/09/2026

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BS ISO 12130-1

Plain bearings — Hydrodynamic plain tilting pad thrust bearings under steady-state conditions. Part 1: Calculation of tilting pad thrust bearings

Feedback closing date:

26/09/2026

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BS EN ISO 3269

Fasteners — Acceptance inspection

Feedback closing date:

19/09/2026

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BS ISO 272

ISO 272 Fasteners. Hexagon products. Widths across flats

Feedback closing date:

24/08/2026

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Feedback period expiring

BS ISO 272

ISO 272 Fasteners. Hexagon products. Widths across flats

Feedback closing date:

24/08/2026

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Published

BS EN 13001-3-8:2026

Cranes. General design. Limit states and proof competence of machinery. Shafts

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BS ISO 16224:2026

Fasteners. Calculation methods for bolt/nut assemblies. Nut design

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BS ISO 19457:2026

Rolling bearings. Roller blocks as subassemblies for linear motion rolling bearings. Boundary dimensions and tolerance values

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BS EN ISO 8743:2026

Fasteners. Grooved pins. Half length centre grooves

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PD ISO/TR 25269:2026

Rolling bearings. Calculation of theoretical reliability

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BS ISO 7902-3:2026

Hydrodynamic plain journal bearings under steady-state conditions. Circular cylindrical bearings. Permissible operational parameters

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BS ISO 7902-1:2026

Hydrodynamic plain journal bearings under steady-state conditions. Circular cylindrical bearings. Calculation procedure

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BS ISO 965-1:2026

ISO general purpose metric screw threads. Tolerances. Principles and basic data

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