1. Scope
This standard specifies the boundary dimensions of four structural types of combined needle roller bearings with thrust ball bearing (hereinafter referred to as combined bearings).
Type NKX 00 - the combined needle roller bearings with thrust ball bearing (see Figure 1);
Type NKX 00 Z - the combined needle roller bearings with thrust ball bearings equipped with casing (see Figure 2);
Type NKX 00+IR - the combined inner ring needle roller bearings with thrust ball bearing (see Figure 3);
Type NKX 00 Z+IR - the combined inner ring needle roller bearings with thrust ball bearings equipped with casing (see Figure 4).
Contents
Foreword I
1. Scope
2. Normative References
3. Terms, Definitions and Symbols
4. Boundary Dimensions
Appendix A (Normative) Boundary Dimension for Inner Ring
Figure 1 Type NKX
Figure 2 Type NKX 00 Z
Figure 3 Type NKX 00+IR
Figure 4 Type NKX 00 Z+IR
1. Scope
This standard specifies the boundary dimensions of four structural types of combined needle roller bearings with thrust ball bearing (hereinafter referred to as combined bearings).
Type NKX 00 - the combined needle roller bearings with thrust ball bearing (see Figure 1);
Type NKX 00 Z - the combined needle roller bearings with thrust ball bearings equipped with casing (see Figure 2);
Type NKX 00+IR - the combined inner ring needle roller bearings with thrust ball bearing (see Figure 3);
Type NKX 00 Z+IR - the combined inner ring needle roller bearings with thrust ball bearings equipped with casing (see Figure 4).
Contents of JB/T 3122-2007
Contents
Foreword I
1. Scope
2. Normative References
3. Terms, Definitions and Symbols
4. Boundary Dimensions
Appendix A (Normative) Boundary Dimension for Inner Ring
Figure 1 Type NKX
Figure 2 Type NKX 00 Z
Figure 3 Type NKX 00+IR
Figure 4 Type NKX 00 Z+IR
