7300 Series Angular Contact Ball Bearings
7300 series — 32 sizes, ISO 15 boundary dimensions with cross-brand equivalents.
Sizes in this series
| Designation | Bore | Outer Ø | Width (B) | Cross-reference |
|---|---|---|---|---|
| 7300 | 10 mm | 35 mm | 11 mm | equivalents → |
| 7301 | 12 mm | 37 mm | 12 mm | equivalents → |
| 7302 | 15 mm | 42 mm | 13 mm | equivalents → |
| 7303 | 17 mm | 47 mm | 14 mm | equivalents → |
| 7304 | 20 mm | 52 mm | 15 mm | equivalents → |
| 7305 | 25 mm | 62 mm | 17 mm | equivalents → |
| 7306 | 30 mm | 72 mm | 19 mm | equivalents → |
| 7307 | 35 mm | 80 mm | 21 mm | equivalents → |
| 7308 | 40 mm | 90 mm | 23 mm | equivalents → |
| 7309 | 45 mm | 100 mm | 25 mm | equivalents → |
| 7310 | 50 mm | 110 mm | 27 mm | equivalents → |
| 7311 | 55 mm | 120 mm | 29 mm | equivalents → |
| 7312 | 60 mm | 130 mm | 31 mm | equivalents → |
| 7313 | 65 mm | 140 mm | 33 mm | equivalents → |
| 7314 | 70 mm | 150 mm | 35 mm | equivalents → |
| 7315 | 75 mm | 160 mm | 37 mm | equivalents → |
| 7316 | 80 mm | 170 mm | 39 mm | equivalents → |
| 7317 | 85 mm | 180 mm | 41 mm | equivalents → |
| 7318 | 90 mm | 190 mm | 43 mm | equivalents → |
| 7319 | 95 mm | 200 mm | 45 mm | equivalents → |
| 7320 | 100 mm | 215 mm | 47 mm | equivalents → |
| 7321 | 105 mm | 225 mm | 49 mm | equivalents → |
| 7322 | 110 mm | 240 mm | 50 mm | equivalents → |
| 7324 | 120 mm | 260 mm | 55 mm | equivalents → |
| 7326 | 130 mm | 280 mm | 58 mm | equivalents → |
| 7328 | 140 mm | 300 mm | 62 mm | equivalents → |
| 7330 | 150 mm | 320 mm | 65 mm | equivalents → |
| 7332 | 160 mm | 340 mm | 68 mm | equivalents → |
| 7334 | 170 mm | 360 mm | 72 mm | equivalents → |
| 7336 | 180 mm | 380 mm | 75 mm | equivalents → |
| 7338 | 190 mm | 400 mm | 78 mm | equivalents → |
| 7340 | 200 mm | 420 mm | 80 mm | equivalents → |
Boundary-dimension reference only. Verify suffixes before substituting.