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表1(续五)轴承类别轴承名称简图新标准旧标准类型代号尺寸系列代号轴承基本代号轴承标准号宽度代号结构代号类型代号直径代号轴承基本代号轴承标准号圆柱滚子轴承外圈无挡边带双锁圈的无保持架圆柱滚子轴承叠NCLNCI刀0(X) JB/T2974一93l021020以) JB/T2974一93r了/招月日n}戈币
Table 1 (Continued five) Bearing Category Bearing Name Schematic New Standard Old Standard Type Code Size Series Code Bearing Basic Code Bearing Standard No. Width Code Structure Code Type Code Diameter Code Bearing Basic Code Bearing Standard No. Cylindrical Roller Bearing Outer Ring Without Wall With double lock ring without cage Cylindrical roller bearings stacked NCLNCI knife 0 (X) JB / T2974 a 93l021020) JB / T2974 a 93r a /