# Angular contact ball bearing

72 and 73 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-52 to B-57 (PDF pages 128 to 133); checked against the 62 and 63 series of the same catalogue, which have the same boundary dimensions. ISO 15 sets the boundary dimensions of these series.

| Number | d | D | B |
|---|---|---|---|
| 7200 | 10 | 30 | 9 |
| 7201 | 12 | 32 | 10 |
| 7202 | 15 | 35 | 11 |
| 7203 | 17 | 40 | 12 |
| 7204 | 20 | 47 | 14 |
| 7205 | 25 | 52 | 15 |
| 7206 | 30 | 62 | 16 |
| 7207 | 35 | 72 | 17 |
| 7208 | 40 | 80 | 18 |
| 7209 | 45 | 85 | 19 |
| 7210 | 50 | 90 | 20 |
| 7300 | 10 | 35 | 11 |
| 7301 | 12 | 37 | 12 |
| 7302 | 15 | 42 | 13 |
| 7303 | 17 | 47 | 14 |
| 7304 | 20 | 52 | 15 |
| 7305 | 25 | 62 | 17 |
| 7306 | 30 | 72 | 19 |
| 7307 | 35 | 80 | 21 |
| 7308 | 40 | 90 | 23 |
| 7309 | 45 | 100 | 25 |
| 7310 | 50 | 110 | 27 |

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