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裹3后里代号及其含义代号代号排序含义示例对照根据新标准旧标准/D7两套轴承(与轴承排列代号合成使用)IB/T一2974一93,3 .2.2.7节DCDHDS222双列角接触球轴承,双外圈有两个座圈的单向推力轴承有两个轴圈的单向推力轴承3924一ZKDCJB/T 2974一夕3表5/DB/DF/DT777成对背对背安装成
Wrapped in 3 after the code and its meaning Code Name Sorting Meaning Example Control According to the new standard Old standard / D7 two sets of bearings (used in combination with the bearing arrangement code) IB / T a 2974 a 93,3 .2.2.7 DCDHDS222 double row angle Way bearing with two raceways One-way thrust bearings with two shaft rings 3924 a ZKDCJB / T 2974 a day 3 Table 5 / DB / DF / DT777 pairs of back to back mounting