GB/T 27560-2011Rolling bearings - Cast housings for insert bearings - Specifications (English PDF)
滚动轴承 外球面球轴承铸造座 技术条件
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 21, 2011
Implementation date
March 1, 2012
Scope
GB/T 27560-2011 is the English-translated version of 滚动轴承 外球面球轴承铸造座 技术条件.
GB/T 27560-2011 is the Chinese national standard for the cast housings that carry insert ball bearings.
It gives the technical requirements - material and castings, dimensional and form accuracy, surface condition, the seating that takes the bearing, and the appearance - the methods of measurement, the inspection rules and the provisions on marking and packaging.
It applies to the production, inspection and acceptance of cast housings whose dimensions follow GB/T 7809-1995 and JB/T 5302-2002. Bearing works, foundries and the machine builders who buy the units use it. Issued on 21 November 2011, it has applied since 1 March 2012.
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Document preview — GB/T 27560-2011
National Standard of the People's Republic of China
- ICS
- 21.100.20
- Classification
- J 11
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Symbol
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Machinery Industry Federation.
1 Scope
This standard specifies the casting seat spherical ball bearings (hereinafter referred to as casting seat) technical requirements, methods of measurement, inspection rules, marks, packages And other equipment.
This standard applies to seat dimensions conform casting production GB/T 7809-1995 and JB/T 5302-2002 regulations, testing and acceptance.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 275-1993 Rolling Shaft and housing complexes
GB/T 1184-1996 shape and position tolerances without individual tolerance value
GB/T 2828.1-2003 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch test sample plan
GB/T 4199-2003 Rolling defined tolerances
GB/T 6930-2002 Rolling Words
GB/T 7809-1995 Rolling bearings, spherical ball bearing Dimensions
GB/T 8597-2003 Rolling rust-proof packaging
GB/T 9439-2010 Gray Iron Castings
JB/T 5302-2002 spherical ball bearing structure supplement Dimensions
ISO 3228:1993 Rolling Spherical Bearings casting and stamping seat seat
3 Terms and Definitions
Terms and definitions GB/T 4199-2003 and GB/T 6930-2002 defined apply to this document.
4 Symbol
GB/T 7809-1995 and given the following symbols apply to this document.
4.1 Vertical Block (see Figure 1)
H. mounting surface to the centerline distance between the spherical diameter (nominal size)
Hs. actual distance spherical diameter mounting surface to the centerline deltaHs. deviation from the actual mounting surface to the centerline of the spherical diameter
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 275-1993Rolling bearings—Fits
- GB/T 1184-1996Geometrical tolerancing. Geometrical tolerance for features without individual tolerance indications
- GB/T 2828.1-2003Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
- GB/T 4199-2003Rolling bearings -- Tolerances -- Definitions
- GB/T 6930-2002Rolling bearings - Vocabulary
- GB/T 7809-1995Rolling bearings -- Housings for insert bearings -- Boundary dimensions
ISO 3228:1993
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Related Standards
GB/T 1184-1996 — Geometrical tolerancing. Geometrical tolerance for features without individual tolerance indications
GB/T 4199-2003 — Rolling bearings -- Tolerances -- Definitions
JB/T 5302-2002 — Housings for insert bearings - Supplementary structure - Boundary dimensions
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GB/T 27560-2011
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