A set of bearing standards and specifications was released on 2/18/2023 – first posted on the forum

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Released on February 18, 2023: A set of bearing standards and specifications. First published on the forum; friends in WeChat groups can download them via QQ. GBT 18844.2-2018 – Sliding bearings: Types of failure, visual characteristics, and cause analysis for liquid dynamic pressure metal bearings, Part 2: Cavitation and countermeasures. GBT 273.2-2018 – Rolling bearings: General dimensions, Part 2: Thrust bearings. GBT 283-2021 – Rolling bearings: Cylindrical roller bearings – Dimensions. TWZBF 021-2022 – Valve components: Shaft end caps. TZZB 0513-2018 – Flexible bearings for harmonic gear reducers in industrial robots. TZZB 0587-2018 – Hot-forged rings for double-row self-aligning roller bearings. TZZB 0730-2018 – Sintered bimetallic bearings for construction machinery. TZZB 1200-2019 – Bearings with solid lubricants embedded in steel-based copper alloys. TZZB 1212-2019 – Fiber-wound self-lubricating bearings. TZZB 2466-2021 – Rolling bearings: Double-row ball bearings for water pump shafts. TZZB 2747-2022 – Press-fit retainers for tapered roller bearings. ZJM-003-4331-2019 – Sintered bimetallic bearings for construction machinery. ZJM-006-4332-2019 – Fiber-wound self-lubricating bearings. ZJM-013-4332-2020 – Bearings with solid lubricants embedded in steel-based copper alloys. ZJM-014-4332-2020 – Three-layer composite self-lubricating bearings made of modified polytetrafluoroethylene, sintered copper alloy, and steel backing