This tooth profile allows for the sprockets to seat the chain properly and run inside a coupling cover. It is always recommended to use an aluminum coupling chain cover when running roller chain couplings for safety, performance, and durability reasons. We standardly stock plain-bore, finished bore, and bushed style coupling sprockets.
| sprocket Size | Bushing Type | Tooth Count | Hub Diameter (A) | Recommended Maximum RPM | Weight |
|---|---|---|---|---|---|
| 10018R | 3535 | 20 | 6.719" | 1800 | 19 LBS |
| 10020TLH | 3535 | 20 | 6.719" | 1800 | 19 LBS |
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