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| diameter | bore | segment thickness | segment height | ||
| inch | mm | mm | inch | mm | mm |
| 4" | 105 | 20 | 4/5" | 1.8 | 8 |
| 4.3" | 110 | 20 | 4/5" | 1.8 | 8/10 |
| 4.5" | 114 | 20 | 4/5" | 1.8/2.0 | 12 |
| 7" | 180 | 25.4 | 1" | 2.2/2.4 | 8/10 |
| 7.4" | 188 | 25.4 | 1" | 2.2/2.4 | 12 |
| 8" | 200 | 25.4 | 1" | 2.2/2.4 | 10 |
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