GB/T 274-2023 Rolling bearings - Chamfer dimension - Maximum values
1 Scope
This standard specifies the maximum values of chamfer dimensions of rolling bearings as well as the single chamfer dimension at the joint of a shaft, bearing bore and bearing.
This standard applies to the metric series rolling bearing chamber specified in GB/T 273.1-2023, GB/T 273.2-2018, GB/T 273.3-2020, GB/T 305-2019, GB/T 20057-2012, GB/T 20058-2017 and GB/T 20060-2011.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 273.1-2023 Rolling bearings - Boundary dimensions general plan - Part 1 : Tapered roller bearings (ISO 355:2019, IDT)
GB/T 273.2-2018 Rolling bearings - Boundary dimensions, general plan - Part 2 : Thrust bearings (ISO 104:2015, IDT)
GB/T 273.3-2020 Rolling bearings - Boundary dimensions, general plan - Part 3 : Radial bearings (ISO 15:2017, IDT)
GB/T 305-2019 Rolling bearings - Snap ring grooves and snap rings for radial bearings - Dimensions, geometrical product specifications (GPS) and tolerance values (ISO 464:2015, MOD)
GB/T 20057-2012 Rolling bearings - Single-row cylindrical roller bearings - Chamfer dimensions for loose rib and non-rib sides (ISO 12043:2007, IDT)
GB/T 20058-2017 Rolling bearings - Single-row angular contact ball bearings - Chamfer dimensions for outer ring non-thrust side (ISO 12044:2014, IDT)
GB/T 20060-2011 Rolling bearings - Cylindrical roller bearings, separate thrust collars - Boundary dimensions (ISO 246:2007, IDT)
3 Terms and definitions
For the purposes of this standard, the following terms and definitions apply.
3.1
radial direction chamfer dimension (of a bearing ring, washer, loose rib or thrust collar)
distance from the imaginary sharp ring of a bearing ring, washer, loose rib or thrust collar to the intersection of the chamfer surface and the bearing ring, washer, loose rib or thrust collar
Contents Foreword I Introduction III 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols 5 Maximum chamfer dimension 6 Single chamfer dimension at the joint of shaft and bearing seat hole and bearing
