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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 EN ISO 888

ISO 888 Fasteners. Bolts, screws and studs. Nominal lengths and thread lengths

Feedback closing date:

15/08/2026

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BS ISO 1081

ISO 1081 Belt drives. V-belts and V-ribbed belts, and corresponding grooved pulleys. Vocabulary

Feedback closing date:

04/08/2026

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BS ISO 24920

ISO 24920 Synchronous belt drives. Technical specification for installation

Feedback closing date:

03/08/2026

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Feedback period expiring
Published

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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BS EN ISO 4042:2022+A1:2026

Fasteners — Electroplated coating systems

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