JB/T 7048-2011
Rolling bearings.Engineering plastic cages.Specifications (English Version)

Standard No.

JB/T 7048-2011

Language

Chinese, Available in English version

Release Date

2011

Published By

Professional Standard - Machinery

Latest

JB/T 7048-2011

Replace

JB/T 7048-2002

Scope

This standard specifies the technical requirements, testing methods, inspection rules, packaging, storage and transportation of engineering plastic cages for rolling bearings (hereinafter referred to as cages). This standard also specifies the technical conditions for engineering plastics glass fiber reinforced polyamide 66, polyamide 66, glass fiber reinforced polyamide 46, and polyamide 46 used in cages. This standard applies to the product dn of the bearing pitch diameter and the bearing speed.

JB/T 7048-2011 Referenced Document

• GB/T 1033.1-2008 Plastics.Methods for determining density of non-celluar plastics.Part1:Immersion method,liquid pyknometer method and titration method
• GB/T 1034-2008 Plastics.Determination of water absorption
• GB/T 1040.1-2006 Plastics.Determination of tensile properties.Part 1:General principles
• GB/T 1040.2-2006 Plastics. Determination of tensile properties. Part 2: Test conditions for moulding and extrusion plastics
• GB/T 1043.1-2008 Plastics.Determination of charpy impact properties.Part 1:Non-instrumented impact test
• GB/T 1634.2-2004 Plastics-Determination of temperature of deflection under load-Part 2:Plastics,ebonite and long-fibre-reinforced composites
• GB/T 16582-2008 Plastics.Determination of melting behaviour (melting temperature of melting range)of semi-crystalline polymers by capillary tube and polarizing-microscope methods
• GB/T 17037.1 Plastics—Injection moulding of test specimens of thermoplastic materials—Part 1:General principles，and moulding of multipurpose and bar test specimens*， 2019-05-10 Update
• GB/T 2547-2008 Plastic resins-Sampling
• GB/T 2828.1-2003 Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
• GB/T 3398.1-2008 Plastics.Determination of hardness.Part 1:Ball indentation method
• GB/T 6930-2002 Rolling bearings--Vocabulary
• GB/T 7141-2008 Plastics.Methods of heat aging
• GB/T 8597-2003 Rolling bearings-Rust proof packaging
• GB/T 9341-2008 Plastic.Determination of flexural properties
• GB/T 9345.4-2008 Plastics.Determination of ash.Part4:Polyamides

JB/T 7048-2011 history

• 2011 JB/T 7048-2011 Rolling bearings.Engineering plastic cages.Specifications
• 2002 JB/T 7048-2002 Rolling bearing parts-plastic cage-specifications
• 1970 JB/T 7048-1993 Technical conditions for engineering plastic cages of rolling bearings