This document specifies the symbols, structural types, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and quality commitment of single-row tapered roller bearings for truck axles. This document applies to single-row tapered roller bearings for truck axles with an inner diameter of 10mm to 120mm (excluding 10mm) and an outer diameter of 30mm to 200mm (excluding 30mm).
T/ZZB 3037-2023 history
2023T/ZZB 3037-2023 Single row tapered roller bearing for Truck axle