ＪBT 2300-2018 回转支承国家标准.pdf

ICS 53.100 P 97 备案号： 中华人民共和国机械行业标准 JB/T 2300—×××× 代替JB/T 2300—2011 回 转 支 承 Slewing bearings （报批稿） ××××-××-××发布 ××××-××-××实施 中华人民共和国工业和信息化部发布 JB/T 2300—×××× 目 次 前言 ·························································································································Ⅱ 1 范围··························································································································1 2 规范性引用文件 ··········································································································1 3 符号··························································································································1 4 分类和标记·················································································································3 4.1 形式·······················································································································3 4.2 基本参数·················································································································6 4.3 标记·······················································································································6 5 要求··························································································································6 5.1 零件·······················································································································6 5.2 总成······································································································