| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| NUTR 2052 A | 20 | 52 | 25 |
| PWTR 2052.2RS | 20 | 52 | 25 |
| PWTR 25.2RS | 25 | 52 | 25 |
| NATR 25 PPA | 25 | 52 | 25 |
| NUTR 25 X | 25 | 52 | 25 |
| NATR 25 PPXA | 25 | 52 | 25 |
| NUTR 25 A | 25 | 52 | 25 |
| NATV 25 PPXA | 25 | 52 | 25 |
| NATV 25 | 25 | 52 | 25 |
| NATR 25 X | 25 | 52 | 25 |
| NATV 25 PPA | 25 | 52 | 25 |
| NATR 20 PPA | 20 | 47 | 25 |
| NATR 20 | 20 | 47 | 25 |
| NATV 20 PPA | 20 | 47 | 25 |
| PWTR 20.2RS | 20 | 47 | 25 |
| NUTR 20 X | 20 | 47 | 25 |
| PWTR 1747.2RS | 17 | 47 | 21 |
| NUTR 20 A | 20 | 47 | 25 |
| NUTR 1747 X | 17 | 47 | 21 |
| NUTR 1747 A | 17 | 47 | 21 |
| NATR 20 X | 20 | 47 | 25 |
| NATR 20 PPXA | 20 | 47 | 25 |
| NATV 20 | 20 | 47 | 25 |
| NATV 20 PPXA | 20 | 47 | 25 |
| NUTR 1542 X | 15 | 42 | 19 |
| NUTR 1542 A | 15 | 42 | 19 |
| PWTR 1542.2RS | 15 | 42 | 19 |
| NATV 17 PPA | 17 | 40 | 21 |
| NUTR 17 X | 17 | 40 | 21 |
| NUTR 17 A | 17 | 40 | 21 |
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