Standard No.:	JT/T 475-2020
English Name:	Trailer axle
Chinese Name:	挂车车轴
Professional Classification:	JT    Professional Standard - Transport
Issued by:	Ministry of Transport
Issued on:	2020-07-31
Implemented on:	2020-11-1
Status:	valid
Superseding:	JT/T 475-2002 Trailer axle
Language:	English
File Format:	PDF
Word Count:	8000 words
Price(USD):	240.0
Delivery:	via email in 1 business day

Trailer axle 1 Scope This standard specifies the main technical parameters, technical requirements, test methods, inspection rules, marking and accompanying documents of trailer axle. It is applicable to road freight trailer axle with rated axle load on a single axle larger than or equal to 1.5t. 2 Normative references The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including all amendments) applies. GB/T 1958 Geometrical Product Specifications (GPS) - Geometrical tolerance - Verification GB/T 4095 Disc wheels for trucks - Dimensional characteristics of attachment on hub GB 5763 Brake linings for automobiles GB/T 15822.1 Non-destructive testing - Magnetic particle testing - Part 1: General principles GB/T 24607 Rolling bearings - Test and assessment for life and reliability GB/T 25767 Rolling bearings - Tapered rollers GB/T 31970 Performance requirements and bench test methods for air brake caliper assemble of automobile GB/T 34422 Brake disc for automobile JB/T 5000.3 Heavy mechanical general techniques and standards - Part 3: Weldment QC/T 239 Specifications and bench test methods for commercial vehicle service brake QC/T 484-1999 Automobiles - Paint coating QC/T 1033 Air brake - Performance requirements and bench test methods of external automatic brake adjuster 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 trailer axle device used to support all or part of the gravity of the trailer and transfer various external forces and reaction forces to ensure the normal driving of the trailer, which mainly includes axle body assembly, braking device and hub assembly 3.2 rated axle load maximum allowable load that can be borne by the axle as specified by the manufacturer 3.3 wheel track width

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Main technical parameters 5 Technical requirements 6 Test methods 7 Inspection rules 8 Marking and accompanying documents