| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| NK 24/20 | 32 | ||
| RNA 4903.2RS | 30 | ||
| NK 22/16 | 30 | ||
| NKS 22 | 35 | ||
| RNAO 22x30x13 | 30 | ||
| NK 22/20 | 30 | ||
| RNA 4903 | 30 | ||
| RNA 6903 | 30 | ||
| RNA 4903 RS | 30 | ||
| RNAO 22x35x16 | 35 | ||
| NK 21/16 | 29 | ||
| NK 21/20 | 29 | ||
| RNA 4902.2RS | 28 | ||
| NKS 20 | 32 | ||
| RNA 4902 RS | 28 | ||
| RNA 4902 | 28 | ||
| NK 20/20 | 28 | ||
| NK 20/16 | 28 | ||
| RNA 6902 | 28 | ||
| RNAO 20x28x13 | 28 | ||
| RNAO 20x28x26 | 28 | ||
| RNAO 20x32x12 | 32 | ||
| NK 19/20 | 27 | ||
| NK 19/16 | 27 | ||
| RNAO 18x30x24 | 30 | ||
| NK 18/16 | 26 | ||
| NK 18/20 | 26 | ||
| NK 17/20 | 25 | ||
| NK 17/16 | 25 | ||
| RNAO 17x25x13 | 25 | ||
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