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102 Machinery Industry Standards (9 Rolling Bearing Standards) Approved for Public Comment
Summary of contents: The 102 mechanical industry standards (9 items of rolling bearing standards) were publicized as follows.
1
JB/T 3370-2011
Rolling bearing universal joint cylindrical roller bearings
This standard specifies the structure type, code number method, dimensions, technical requirements, test methods and inspection rules, signs and rust-proof packaging for cross-shaft universal joint cylindrical roller bearings for steel rolling machinery, crane transport machinery and other heavy machinery. Wait.
This standard applies to the production, inspection and acceptance of universal joint cylindrical roller bearings.
JB/T 3370-2002
2
JB/T 5312-2011
Rolling bearing auto clutch release bearing unit
This standard stipulates the definition, classification, code numbering method, structure type, external dimensions, technical requirements, testing methods, inspection rules, markings, and packaging of automotive clutch release bearing units.
This standard applies to the production, inspection and acceptance of automotive clutch release bearing units.
JB/T 5312-2001
3
JB/T 7048-2011
Rolling bearing engineering plastic cage technical conditions
This standard specifies the technical requirements, test methods, inspection rules, packaging, storage and transportation of engineering plastic cages for rolling bearings. This standard also specifies the technical conditions for the engineering plastics glass fiber reinforced polyamide 66, polyamide 66, glass fiber reinforced polyamide 46, and polyamide 46 used for cages.
This standard is applicable to the production, inspection and acceptance of bearing cages with a product diameter dm·n<1.5×106 mm·r/min and bearing diameter D<320 mm.
JB/T 7048-2002
4
JB/T 8877-2011
Rolling bearings needle roller bearing specifications
This standard specifies the structure, technical requirements, measuring methods, inspection rules, markings and packaging of needle roller bearings.
This standard applies to the production of composite bearings, inspection and user acceptance.
JB/T 8877-2001
5
JB/T 8878-2011
Rolling bearing stamped outer ring needle bearing technical conditions
This standard specifies the technical conditions for general-purpose needle roller bearings with no inner ring and punched outer ring that meet the requirements of GB/T 290-1998 and GB/T 12764-2009.
This standard applies to bearing production, inspection and acceptance.
JB/T 8878-2001
6
JB/T 8881-2011
Rolling bearing parts carburizing heat treatment technical conditions
This standard specifies the carburizing of steel bearing parts such as G20CrMo(A), G20CrNiMo(A), G20CrNi2Mo(A), G20Cr2Ni4(A), G10CrNi3Mo(A), and G20Cr2Mn2Mo(A) in accordance with GB/T 3203. Pre-heat treatment, carburizing once quenching, tempering, high temperature tempering and secondary quenching, tempering after the technical requirements and the average grain size, depth of hardened layer, hardness, microstructure, cracks and other inspection methods.
This standard applies to the carburizing bearing steel rolling bearing parts of the carburizing heat treatment quality test, also applies to low carbon alloy steel rolling bearing parts carburizing heat treatment quality inspection.
JB/T 8881-2001
7
JB/T 10239-2011
Rolling bearing deep-groove ball bearing flange dust cover technical conditions
This standard stipulates the technical requirements, test methods, inspection rules, markings, and packaging for crimped dust covers for deep groove ball bearings.
This standard applies to the production, inspection and acceptance of dust caps.
JB/T 10239-2001
8
JB/T 11251-2011
Rolling bearing stamped outer ring roller clutch
This standard stipulates the code method, external dimensions, technical requirements, inspection methods, inspection rules, signs, and rust-proof packaging of stamped outer roller clutches.
This standard applies to clutch production, inspection and acceptance.
9
JB/T 11252-2011
Rolling bearings cylindrical roller clutches and ball bearing assemblies
This standard specifies the code method, dimensions, technical requirements, test methods, inspection rules, signs, and rust-proof packaging for cylindrical roller clutches and ball bearing assemblies.
This standard applies to the production, inspection and acceptance of cylindrical roller clutches and ball bearing assemblies.