| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| NK 15/16 | 23 | ||
| NK 15/20 | 23 | ||
| RNAO 15x23x13 | 23 | ||
| RNA 4900 RS | 22 | ||
| NK 14/16 | 22 | ||
| RNA 4900 | 22 | ||
| NK 14/20 | 22 | ||
| RNA 4900.2RS | 22 | ||
| RNAO 12x22x12 TN | 22 | ||
| NK 12/16 | 19 | ||
| NK 12/12 | 19 | ||
| RNAO 10x17x10 TN | 17 | ||
| NK 10/12 TN | 17 | ||
| NK 10/16 TN | 17 | ||
| NK 9/16 TN | 16 | ||
| NK 9/12 TN | 16 | ||
| NK 8/12 TN | 15 | ||
| RNAO 8x15x10 TN | 15 | ||
| NK 8/16 TN | 15 | ||
| RNAO 7x14x8 TN | 14 | ||
| NK 7/10 TN | 14 | ||
| NK 7/12 TN | 14 | ||
| NK 6/10 TN | 12 | ||
| RNAO 6x13x8 TN | 13 | ||
| NK 6/12 TN | 12 | ||
| NK 5/10 TN | 10 | ||
| NK 5/12 TN | 10 | ||
| RNAO 5x10x8 TN | 10 | ||
| HK 6020 | 68 | ||
| HK 6012 | 68 | ||
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