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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 21771-1

Cylindrical involute gears and gear pairs. Part 1: Concepts and geometry

Feedback closing date:

12/01/2026

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BS ISO 12090-1

Rolling bearings — Profiled rail guides for linear motion rolling bearings. Part 1: Boundary dimensions and tolerances for series 1, 2, 3, 6 and 7

Feedback closing date:

31/12/2025

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BS ISO 19998

ISO 19998 Structural bolting coordination. Tasks and responsibilities

Feedback closing date:

28/12/2025

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BS ISO 21940-14

ISO 21940-14 Mechanical vibration. Rotor balancing. Part 14: Procedures for assessing balance errors

Feedback closing date:

28/12/2025

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Feedback period expiring
Published

BS ISO 1813:2025

Belt drives. Electrical conductivity of antistatic belts: Characteristics and test methods

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BS ISO 4184:2025

Belt drives. Classical and narrow V-belts. Lengths in datum system

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BS ISO 31657-1:2025

Plain bearings. Hydrodynamic plain journal bearings under steady-state conditions. Calculation of multi-lobed and tilting pad journal bearings

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BS ISO 31657-2:2025

Plain bearings. Hydrodynamic plain journal bearings under steady-state conditions. Characteristic values for calculation of multilobed journal bearings

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BS ISO 31657-3:2025

Plain bearings. Hydrodynamic plain journal bearings under steady-state conditions. Characteristic values for calculation of tilting pad journal bearings

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BS ISO 31657-4:2025

Plain bearings. Hydrodynamic plain journal bearings under steady-state conditions. Permissible operational parameters for calculation of multi-lobed and tilting pad journal bearings

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BS EN ISO 8739:2025

Fasteners. Parallel grooved pins, with pilot point. Full-length diamond grooves

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BS EN ISO 22705-3:2025

Springs. Measurement and test parameters. Cold formed cylindrical helical torsion springs

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