| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| NKX 70 Z | 85 | ||
| NKX 70 | 85 | ||
| NKX 60 Z | 72 | ||
| NKX 60 | 72 | ||
| NKXR 50 Z | 62 | ||
| NKX 50 | 62 | ||
| NKXR 50 | 62 | ||
| NKX 50 Z | 62 | ||
| NKX 45 Z | 58 | ||
| NKXR 45 Z | 58 | ||
| NKXR 45 | 58 | ||
| NKX 45 | 58 | ||
| NKXR 40 Z | 52 | ||
| NKXR 40 | 52 | ||
| NKX 40 | 52 | ||
| NKX 40 Z | 52 | ||
| NKX 35 | 47 | ||
| NKX 35 Z | 47 | ||
| NKXR 35 Z | 47 | ||
| NKXR 35 | 47 | ||
| NX 35 | 47 | ||
| NX 35 Z | 47 | ||
| NX 30 Z | 42 | ||
| NKX 30 | 42 | ||
| NKXR 30 Z | 42 | ||
| NKXR 30 | 42 | ||
| NX 30 | 42 | ||
| NKX 30 Z | 42 | ||
| NKXR 25 Z | 37 | ||
| NKXR 25 | 37 | ||
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