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Captured Bearing Idler Sprockets
Specs
| No. of Teeth | Part No. | Chain Pitch | OD | L | W | App. Wt. (Lbs) | Bore | Bearing Included |
| 17 | ISHD4017-12 | 40 | 2.97 | 0.72 | 0.284 | 0.52 | 1/2" | 203KRR2 |
| 17 | ISHD4017-58 | 40 | 2.97 | 0.72 | 0.284 | 0.52 | 5/8" | 203KRR2 |
| 18 | ISHD4018-12 | 40 | 3.14 | 0.72 | 0.284 | 0.53 | 1/2" | 203KRR2 |
| 18 | ISHD4018-58 | 40 | 3.14 | 0.72 | 0.284 | 0.53 | 5/8" | 203KRR2 |
| 13 | ISHD5013-12 | 50 | 2.91 | 0.72 | 0.343 | 0.75 | 1/2" | 203KRR2 |
| 13 | ISHD5013-58 | 50 | 2.91 | 0.72 | 0.343 | 0.75 | 5/8" | 203KRR2 |
| 15 | ISHD5015-12 | 50 | 3.32 | 0.72 | 0.343 | 0.75 | 1/2" | 203KRR2 |
| 15 | ISHD5015-58 | 50 | 3.32 | 0.72 | 0.343 | 0.75 | 5/8" | 203KRR2 |
| 17 | ISHD5017-12 | 50 | 3.72 | 0.72 | 0.343 | 0.78 | 1/2" | 203KRR2 |
| 17 | ISHD5017-58 | 50 | 3.72 | 0.72 | 0.343 | 0.78 | 5/8" | 203KRR2 |
| 13 | ISHD6013-12 | 60 | 3.51 | 0.72 | 0.459 | 0.76 | 1/2" | 203KRR2 |
| 13 | ISHD6013-58 | 60 | 3.51 | 0.72 | 0.459 | 0.76 | 5/8" | 203KRR2 |
| 15 | ISHD6015-12 | 60 | 3.98 | 0.72 | 0.459 | 1.06 | 1/2" | 203KRR2 |
| 15 | ISHD6015-58 | 60 | 3.98 | 0.72 | 0.459 | 1.06 | 1/2" | 203KRR2 |
| 11 | ISHD8011-34 | 80 | 4.01 | 0.55 | 0.575 | 1.50 | 3/4" | 6204-12-2RS |
| 12 | ISHD8012-1 | 80 | 4.36 | 0.55 | 0.575 | 1.50 | 1" | 6205-1-2RS |
| 12 | ISHD8012-34 | 80 | 4.36 | 0.55 | 0.575 | 1.50 | 3/4" | 6204-12-2RS |
