>> P.248
注(1)这是倒角尺寸r的最小容许尺寸。(2)容许转速适用于润滑脂润滑。在实际工作条件下,考虑到还有轴向负荷的作用,推荐以记载值的1/10以下的转速使用。备注1.外圈上设有油槽并设2个油孔。2.密封型已封入润滑脂。轴径mm满滚子附带保持架质量(参考)公称型号gdDCrsminJ(1)主要尺寸mm290──TRU426230UU4262300.648265295260NAG4909UU────NAU4909UU─TRU456430UU─4545456864682230220.60.60.65150.551454227026571050NAG4910UU───NAU4910UU───TRU507745UU5050507272772222450.60.6155.555.55839538561555NAG4911UU───NAU4911UU───TRU558138UU55555580808125253811161.561.561.542541588060NAG4912UU───NAU4912UU───TRU608945UU606060858589252545111676769.545544065NAG4913UU──NAU4913UU──65659090252511727272570570NAG4914UU──NAU4914UU──70701001003030117979775750124075NAG4915UU───NAU4915UU───TRU7510845UU75757510510510830304511183.583.585.581579080NAG4916UU──NAU4916UU──808011011030301189.589.5轴径42-80mm附带保持架的滚子轴承满滚子的滚子轴承密封型密封型248
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