21.120.01

Shafts and couplings in general

21.120.10

Shafts

21.120.20

Couplings

21.120.30

Keys and keyways, splines

21.120.40

Balancing and balancing machines

21.120.99

Other standards related to shafts and couplings
ISO/DIS 21940-14:2026

ISO/DIS 21940-14:2026

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ASTM A503/A503M-25

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Standard Specification for Ultrasonic Examination of Forged Crankshafts

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DIN ISO 21940-14/A1:2020-08

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Mechanical vibration - Rotor balancing - Part 14: Procedures for assessing balance errors - Amendment 1 (ISO 21940-14:2012/DAM 1:2020); Text in German and English

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DIN ISO 21940-14:2023-04

DIN ISO 21940-14:2023-04

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ISO 21940-2:2017 (R2022)

ISO 21940-2:2017 (R2022)

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Mechanical vibration — Rotor balancing Part 2: Vocabulary

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ISO 14694:2003/CD Amd 2:2025

ISO 14694:2003/CD Amd 2:2025

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Industrial fans — Specifications for balance quality and vibration levels Amendment 2

This product is not for sale, please contact us for more information

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ISO 21940-1:2019 (R2024)

ISO 21940-1:2019 (R2024)

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ISO 4156-1:2021

ISO 4156-1:2021

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Straight cylindrical involute splines — Metric module, side fit Part 1: Generalities

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ISO 4156-2:2021

ISO 4156-2:2021

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Straight cylindrical involute splines — Metric module, side fit Part 2: Dimensions

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ISO 4156-3:2021

ISO 4156-3:2021

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Straight cylindrical involute splines — Metric module, side fit Part 3: Inspection

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ISO 21940-11:2016/Amd 1:2022

ISO 21940-11:2016/Amd 1:2022

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Mechanical vibration — Rotor balancing — Part 11: Procedures and tolerances for rotors with rigid behaviour Amendment 1

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ISO 21940-14:2012/Amd 1:2022

ISO 21940-14:2012/Amd 1:2022

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ISO 21940-21:2022

ISO 21940-21:2022

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DIN 3761-4:1979-05

DIN 3761-4:1979-05

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Rotary shaft lip typ seals for automobils; quality requirements; imperfections catalogue of irregularities; visual imperfections

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DIN 3761-28:1980-02

DIN 3761-28:1980-02

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Rotary shaft lip typ seals for automobiles; test, specifications of test machines

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