GB/T 18329.4-2021.Plain bearings-Metallic multilayer plain bearings-Part 4: Non-destructive ultrasonic transmission testing of bond of thickness great

GB/T 7308.1-2021.Plain bearings-Thin-walled half bearings with or without flange-Part 1:Tolerances , design features and methods of test. 1范围 GB/T 730

GB/T 39743-2021.Plain bearings-Thermoplastic bushes-Dimensions and tolerances. 1范围 GB/T 39743规定了依据ISO 12128生产的带有或不带润滑油槽的压人式热塑性塑料轴套的尺寸与公差。依据表2和表3生产的热塑性

GB/T 7308.2-2021.Plain bearings-Thin-walled half bearings with or without flange-Part 2 : Measurement of wall thickness and flange thickness. 1范围 GB/T

GB/T 7308.3-2021.Plain bearings-Thin-walled half bearings with or without flange-Part 3: Measurement of peripheral length. 1范围 GB/T 7308的本部分根据GB/T 279

GB/T 2889.5-2021.Plain bearings-Terms , definitions , classification and symbols-Part 5: Application of symbols. 1范围 GB/T 2889的本部分规定了ISO 4378-4中与滑动轴承计

GB/T 39741.2-2021.Plain bearings-Tolerances-Part 2 :Tolerances on geometrical characteristics and surface roughness for shafts and thrust collars. 1范围

GB/T 39741.1-2021.Plain bearings-Tolerances-Part 1: Fits. 1范围 GB/T 39741.1规定了通用机械中轴承平均相对间隙ψm为0.56%o~3.15%o的金属滑动轴承的配合体系,其他间隙范围可根据特定用途场合的技术要求选用。 本配合体系不适

GB/T 39982-2021.Water lubricated journal bearings-Test methods of load carrying capacity. 1范围 GB/T 39982给出了完全浸水条件下动压润滑状态径向滑动轴承承载能力测试方法。 GB/T 39982适用于直

GB/T 40116-2021.Foil bearings- Performance of hydrodynamic gas journal bearings-Testing of static load capacity , friction coefficient and lifetime. 1