1 Scope
This Standard specifies the technical requirements for structural type, coding method, boundary dimension, measurement method, inspection rules, marking and package of slewing bearing (hereafter referred to as simply bearing).
This Standard is applicable to production inspection and user acceptance of slewing bearing.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this Standard. For dated references, subsequent amendments (excluding amending errors in the text) to, 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 editions of these documents are applicable. For undated references, the latest edition of the normative documents referred to applies.
GB/T 308-2002 Rolling Bearings - Steel Balls (ISO 3290:1998, NEQ)
GB/T 699-1999 Quality Carbon Structural Steels
GB/T 1357-1987 Modules of Involute Cylindrical Gears (neq ISO 54:1977)
GB/T 3077-1999 Alloy Structure Steels
GB/T 4661-2002 Rolling Bearings - Cylindrical Roller
GB/T 5617-1985 Determination of Effective Depth of Hardening after Induction or Flame Hardening of Steel (Eqv ISO 3754:1976)
GB/T 7811-1999 Rolling Bearings - Symbols for Parameters
GB/T 8597-2003 Rolling Bearing - Packaging
GB/T 10095.1-2001 Involute Cylindrical Gears-System of Accuracy-Part 1: Definitions and Allowable Values of Deviations Relevant to Corresponding Flanks of Gear Teeth (idt ISO 1328-1:1997)
GB/T 10095.2-2001 Involute Cylindrical Gears-System of Accuracy-Part 2: Definitions and Allowable Values of Deviations Relevant to Radial Composite Deviations and Runout Information (idt ISO 1328-2:1997)
GB/T 18254-2002 High-carbon Chromium Bearing Steel
HG/T 2811-1996 Rubber Materials for Rotary Shaft Lip Seals
JB/T 3574-1997 Rolling Bearings - Marking for Products
Contents
Foreword I
1 Scope
2 Normative References
3 Symbols
4 Designation
4.1 Constitution of Designation
4.2 Constitution of Basic series
4.3 Suffixes
4.4 Designation Example
4.5 Preparation Provisions
5 Structural Type and Boundary Dimension
5.1 Structural Type of Bearing
5.2 Boundary Dimension
6 Technical Requirements
6.1 Rolling Element
6.2 Ferrule
6.3 Seal Ring
6.4 Lubrication
6.5 Tolerance
6.6 Ferrule Gear
6.7 Surface Roughness
6.8 Clearance
6.9 Type Selection Calculation
6.10 Other Technical Requirements
7 Measurement Method
7.1 Measurement of Running Accuracy
7.2 Gearing Tolerance Inspection
7.3 Clearance Measurement
7.4 Raceway Inspection
8 Inspection Rules
9 Test
10 Marking, Packaging, Transport and Storage
10.1 Marking
10.2 Packaging
10.3 Transport and Storage
Appendix A (Normative) Type Selection Calculation
Appendix B (Informative) Measurement Method for Fria and Frea
Appendix C (Informative) Boundary Dimension of Slewing Bearing
