This standard specifies the classification, designation methods, structural types, boundary dimensions, technical requirements, test methods, inspection rules, marking, rustproof packaging, storage and the like of the rolling bearings for railway locomotive (hereinafter referred to as the "bearings").
This standard is applicable to the bearings used under the conditions that the speed per hour is not greater than 160 km/h, and it is used for the production, inspection and acceptance of bearings.
Contents Foreword I 1 Scope 2 Normative References 3 Terms and Definitions 4 Symbols 5 Classification 6 Designation Methods 7 Structural Types 8 Boundary Dimensions 9 Technical Requirements 10 Test Methods 11 Inspection Rules 12 Marking 13 Rustproof Packaging 14 Storage Appendix A (Normative) Boundary Dimensions and Internal Clearance of Rolling Bearings for Railway Locomotive Appendix B (Normative) Assessment Methods and Control Indicators for Cleanliness Appendix C (Informative) Comparison between New and Old Designations of Rolling Bearings for Railway Locomotive
1 Scope
This standard specifies the classification, designation methods, structural types, boundary dimensions, technical requirements, test methods, inspection rules, marking, rustproof packaging, storage and the like of the rolling bearings for railway locomotive (hereinafter referred to as the "bearings").
This standard is applicable to the bearings used under the conditions that the speed per hour is not greater than 160 km/h, and it is used for the production, inspection and acceptance of bearings.
Contents of GB/T 25771-2010
Contents
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Symbols
5 Classification
6 Designation Methods
7 Structural Types
8 Boundary Dimensions
9 Technical Requirements
10 Test Methods
11 Inspection Rules
12 Marking
13 Rustproof Packaging
14 Storage
Appendix A (Normative) Boundary Dimensions and Internal Clearance of Rolling Bearings for Railway Locomotive
Appendix B (Normative) Assessment Methods and Control Indicators for Cleanliness
Appendix C (Informative) Comparison between New and Old Designations of Rolling Bearings for Railway Locomotive
