標準編號:	JB/T 3123-2007
中文名稱:	滾動軸承 滾針和角接觸球組合軸承 外形尺寸
英文名稱:	Rolling bearings-Combined needle roller bearings with angular contact ball bearings - Boundary dimensions
中標分類:	J11    滾動軸承
行業分類:	JB    機械行業標準
ICS分類:	21.100.20 21.100.20    滾動軸承 21.100.20
發布機構:	國家發展和改革委員會
發布日期:	2007-3-6
實施日期:	2007-9-1
標準狀態:	valid
替代舊標準:	JB/T 3123-1991
翻譯語言:	英文
文件格式:	PDF
中文字符數:	2000 字
翻譯價格(元):	140.0
交付時間:	付款后 1 個工作日

1. Scope This standard specifies the boundary dimensions of two structural types of combined needle roller bearings with angular contact ball bearings (hereinafter referred to as combined bearings). Type NKIA 0000 - the combined needle roller bearings with angular contact ball bearings (see Figure 1); Type NKIB 0000 - the combined needle roller bearings with three-point contact ball bearings (see Figure 2). This standard is applicable to the combined bearings installed and used in the components under large radial load and small single-direction (or double-direction) axial load as well as limited radial dimension.

Contents Foreword I 1. Scope 2. Normative References 3. Terms, Definitions and Symbols 4. Boundary Dimensions Figure 1 Type NKIA 0000 Figure 2 Type NKIB 0000