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Database: 365,228(8 Aug 2026)

Bearing contamination level

Bearing contamination level, Total:52 items.

The international standard classification for "Bearing contamination level" includes: Aerospace fluid systems and components , Farming and forestry , Cylinders , Compressors and pneumatic machines , Filters, seals and contamination of fluids .

The Chinese standard classification for "Bearing contamination level" includes: Aerospace hydraulic elements and accessories , Basic standards and general methods , Hydraulic and pneumatic device , Compressor and fan .


Professional Standard - Traffic

  • JT 2011-1991 Grade Standards for Ship Oil Pollution Accidents
  • JT/T 458-2001 Classification for oil pollution accidents from ships

中国气象局

  • QX/T 413-2018 Grades of air pollution diffusion meteorological conditions

Shanxi Provincial Standard of the People's Republic of China

  • DB14/T 2838-2023 Classification of meteorological conditions for ozone pollution

Professional Standard - Aviation

  • HB 8461-2014 Contamination classification for hydraulic fluid of civil aircraft

Professional Standard - Aerospace

  • QJ 2724.1-1995 Aerospace Hydraulic Pollution Control - Coding Method for Pollution Grade of Solid Particle in Working Liquid

Professional Standard - Agriculture

  • GB/T 14039-1993 Hydraulic fluid power--Fluids--Method for coding the level of contamination by solid particles
  • NY/T 1262-2007 Grading Agricultural Environmental Pollution Accident

Group Standards of the People's Republic of China

  • T/ZNZ 083-2021 Specification for classification standard of cadmium pollution in leafy vegetable producing soils
  • T/JSIIEPPC 0002-2020 Standard for indoor environmental purification and treatment agency qualification level
  • T/GIEHA 002-2017 Indoor environmental purification and treatment agency qualification level

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 14039-2002 Hydraulic fluid power--Fluids--Method for coding the level of contamination by solid particles
  • GB/T 13277.1-2008 Compressed air - Part 1:Contaminants and purity classes
  • GB/T 13277.1-2023 Compressed air—Part 1:Contaminants and purity classes

Guangdong Provincial Standard of the People's Republic of China

  • DB44/T 350-2006 Rank Partition of the Resistance of Urban Greening Trees to Air Pollution

Henan Provincial Standard of the People's Republic of China

  • DB4101/T 125-2024 Classification of meteorological conditions for ambient air ozone pollution

German Institute for Standardization

  • DIN ISO 281 Beiblatt 3:2009 Rolling bearings - Dynamic load ratings and rating life - Supplement 3: Estimating of the contamination factor and the contamination level for rolling bearings in closed industrial gear units
  • DIN ISO 281 Bb.3:2009 Rolling bearings - Dynamic load ratings and rating life - Supplement 3: Estimating of the contamination factor respectively the contamination level for rolling bearings in closed industrial gear units; English version of DIN ISO 281 Supplement 3:2009-07
  • DIN ISO 281 Beiblatt 3:2009-07 Rolling bearings - Dynamic load ratings and rating life - Supplement 3: Estimating of the contamination factor respectively the contamination level for rolling bearings in closed industrial gear units

SCC

  • BS 5540-4:1981 Evaluating particulate contamination of hydraulic fluids-Method of defining levels of contamination (solid contaminant code)
  • BS ISO 8573-1:2001 Compressed air-Contaminants and purity classes
  • MIL MIL-B-22446-1964 BEARING, ANNULAR BALL, HIGH GRADE (NO S/S DOCUMENT)
  • DANSK DS/ISO 8573-1:2010 Compressed air - Part 1: Contaminants and purity classes
  • BS ISO 15312:2003 Rolling bearings. Thermal speed rating. Calculation and coefficients
  • DIN ISO 281 Supplement 3 E:2008 Draft Document - Rolling bearings - Dynamic load ratings and rating life - Supplement 3: Estimating of the contamination factor respectively the contamination level for rolling bearings in closed industrial gear units

Standard Association of Australia (SAA)

  • AS 4002.1:2001 Hydraulic fluid power - Particulate contamination of systems - Method of coding the level of contamination

British Standards Institution (BSI)

  • BS ISO 8573-1:2010 Compressed air - Contaminants and purity classes
  • BS ISO 15312:2018 Rolling bearings. Thermal speed rating. Calculation
  • BS 5540-7:1991 Evaluating particulate contamination of hydraulic fluids - Method of determining the level of contamination (by the gravimetric method)
  • BS ISO 4406:1999 Hydraulic fluid power - Fluids - Method for coding the level of contamination by solid particles
  • BS ISO 4406:2000 Hydraulic fluid power - Fluids - Method for coding the level of contamination by solid particles
  • BS ISO 4406:2017 Hydraulic fluid power. Fluids. Method for coding the level of contamination by solid particles
  • BS ISO 4406:2021 Hydraulic fluid power. Fluids. Method for coding the level of contamination by solid particles

Korean Agency for Technology and Standards (KATS)

CZ-CSN

  • CSN 33 0405-1989 Electric engineering regulations. Design of outdoor insulation depending on pollution level

RU-GOST R

  • GOST 17433-1980 Industries purity. Compressed air grades of contamination

International Organization for Standardization (ISO)

  • ISO 2349:1973 Rolling bearings — Tapered roller bearings — Sub-units — Tolerances — Metric series, normal tolerance class and tolerance class 6 — Inch series, tolerance class 4 (normal tolerance class)
  • ISO 4406:2021 Hydraulic fluid power - Fluids - Method for coding the level of contamination by solid particles
  • ISO 4406:1999 Hydraulic fluid power - Fluids - Method for coding the level of contamination by solid particles
  • ISO 4406:2017 Hydraulic fluid power — Fluids — Method for coding level of contamination by solid particles

DIN

  • DIN ISO 281 Supplement 3:2009 Rolling bearings - Dynamic load ratings and rating life - Supplement 3: Estimating of the contamination factor respectively the contamination level for rolling bearings in closed industrial gear units

HU-MSZT

Danish Standards Foundation

Japanese Industrial Standards Committee (JISC)

GSO

GOST

  • GOST 21512-1976 Single row tapered roller bearings and single row thrust ball bearings. Accuracy class 2. Technical requirements

KR-KS

  • KS B ISO 4406-2008(2023) Hydraulic fluid power-Fluids-Method for coding the level of contamination by solid particles