标准编号:	JB/T 7751-2005
中文名称:	滚动轴承 推力圆锥滚子轴承
英文名称:	Rolling bearings—Thrust tapered roller bearings
中标分类:	J11    滚动轴承
行业分类:	JB    机械行业标准
ICS分类:	21.100.20 21.100.20    滚动轴承 21.100.20
发布机构:	国家发展和改革委员会
发布日期:	2005-09-23
实施日期:	2006-1-1
标准状态:	superseded
被新标准替代:	JB/T 7751-2016 滚动轴承 推力圆锥滚子轴承
被替代日期:	2016-6-1
替代旧标准:	JB/T 7751-1995
翻译语言:	英文
文件格式:	PDF
中文字符数:	4000 字
翻译价格(元):	280.0
交付时间:	付款后 1 个工作日

1 Scope This standard specifies the technical requirements, measuring methods, inspection rules, marking and packaging of thrust tapered roller bearing whose inside diameter d is less than or equal to 1250mm and boundary dimension meets the requirements of GB/T 273.2-1998. This standard is applicable to manufacture, inspection and acceptance of thrust tapered roller bearing. 2 Normative References The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrigenda), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document applies. GB/T 273.2-1998 Rolling Bearings - Thrust Bearings - Boundary Dimensions - General Plan (eqv ISO 104, 1994) GB/T 274-2000 Rolling Bearings - Chamfer Dimension - Maximum Values (idt ISO 582: 1995) GB/T 307.2-2005 Rolling Bearings - Measuring and Gauging Principles and Methods (ISO 1132-2: 2001, Rolling Bearings - Tolerances - Part 2: Measuring and Gauging Principles and Methods, MOD) GB/T 4199-2003 Rolling Bearings - Tolerances – Definitions (ISO 1132-1: 2000, Rolling Bearings - Tolerances-Part 1: Terms and Definitions, MOD) GB/T 8597-2003 Rolling Bearings - Rust Proof Packaging GB/T 18254-2002 High-carbon Chromium Bearing Steel JB/T 1255-2001 Specification for Heat-treatment of Rolling Bearing Parts Made from High Carbon Chromium Steel JB/T 3574-1997 Rolling Bearings - Marking for Products JB/T 6641-1993 Rolling Bearings - Residual Magnetism and Its Assessment Method JB/T 7051-1993 Rolling Bearing Parts - Methods for the Measurement and Assessment of Surface Roughness JB/T 8196-1996 Rolling Bearings - Residual Magnetism and Its Assessment Method JB/T 8921-1999 Rolling Bearings and Commercial Parts - Inspection Rules 3 Symbols (see Figures 1~3) Except the following symbols, the definition of symbols quoted in this standard is in accordance with the requirements of GB/T 4199. Δ(180°-2β): deviation for tapered angle of shaft washer raceway of thrust tapered roller bearing Δ(180°-2α): deviation for tapered angle of housing washer raceway of thrust tapered roller bearing Figure 1 Thrust Roller Bearing Figure 2 Shaft Washer Figure 3 Housing Washer 4 Technical Requirements

Contents Foreword I 1 Scope 2 Normative References 3 Symbols (see Figures 1~3) 4 Technical Requirements 5 Measuring Methods 6 Inspection Rules 7 Marking 8 Packaging Figure 1 Thrust Roller Bearing Figure 2 Shaft Washer Figure 3 Housing Washer Table 1 Tolerance of Shaft washer Table 2 Tolerance of Housing Washer Table 3 Height Tolerance Table 4 Surface Roughness Ra