# Single-direction thrust ball bearing

511, 512 and 513 series, bore 10 to 50 mm, as an envelope for assemblies: one solid with the boundary dimensions. Axis along Z,
centred on the origin. Rolling elements, cage and the gaps between the rings aren't modelled.

## Source

NTN, *Ball and Roller Bearings*, CAT. No. 2203-3/E (2024), <https://www.ntnglobal.com/en/products/catalog/pdf/2203E.pdf>, pp. B-150 to B-151 (PDF pages 226 and 227). ISO 104 sets the boundary dimensions of these series.

| Number | d | D | T |
|---|---|---|---|
| 51100 | 10 | 24 | 9 |
| 51101 | 12 | 26 | 9 |
| 51102 | 15 | 28 | 9 |
| 51103 | 17 | 30 | 9 |
| 51104 | 20 | 35 | 10 |
| 51105 | 25 | 42 | 11 |
| 51106 | 30 | 47 | 11 |
| 51107 | 35 | 52 | 12 |
| 51108 | 40 | 60 | 13 |
| 51109 | 45 | 65 | 14 |
| 51110 | 50 | 70 | 14 |
| 51200 | 10 | 26 | 11 |
| 51201 | 12 | 28 | 11 |
| 51202 | 15 | 32 | 12 |
| 51203 | 17 | 35 | 12 |
| 51204 | 20 | 40 | 14 |
| 51205 | 25 | 47 | 15 |
| 51206 | 30 | 52 | 16 |
| 51207 | 35 | 62 | 18 |
| 51208 | 40 | 68 | 19 |
| 51209 | 45 | 73 | 20 |
| 51210 | 50 | 78 | 22 |
| 51305 | 25 | 52 | 18 |
| 51306 | 30 | 60 | 21 |
| 51307 | 35 | 68 | 24 |
| 51308 | 40 | 78 | 26 |
| 51309 | 45 | 85 | 28 |
| 51310 | 50 | 95 | 31 |

No tolerance class is stated here yet. Maker names identify the source; this part isn't made by or affiliated with any maker.