| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| NK 65/35 | 78 | ||
| NK 65/25 | 78 | ||
| NKS 65 | 85 | ||
| RNAO 65x85x30 | 85 | ||
| RNA 4911 | 80 | ||
| RNA 6911 | 80 | ||
| RNAO 60x78x40 | 78 | ||
| NK 60/35 | 72 | ||
| NKS 60 | 80 | ||
| NK 60/25 TN | 72 | ||
| RNAO 60x78x20 | 78 | ||
| RNA 4910 | 72 | ||
| RNA 6910 | 72 | ||
| RNA 4910 RS | 72 | ||
| RNA 4910.2RS | 72 | ||
| NKS 55 | 72 | ||
| NK 55/25 | 68 | ||
| NK 55/35 | 68 | ||
| RNAO 55x68x20 | 68 | ||
| RNA 4909 RS | 68 | ||
| RNA 4909 | 68 | ||
| RNA 6909 | 68 | ||
| RNA 4909.2RS | 68 | ||
| RNAO 50x65x40 | 65 | ||
| NK 50/25 TN | 62 | ||
| NKS 50 | 65 | ||
| RNAO 50x62x20 | 62 | ||
| RNAO 50x65x20 | 65 | ||
| NK 50/35 TN | 62 | ||
| RNA 4908 | 62 | ||
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