2BK80 Pulley2BK80 pulleys are 7.75" in diameter and are also commonly known as double 2BK80 sheaves. Our double pulleys are manufactured in accordance with ARPM standard IP20 for safe operation and interchangeability with other brands. You can use a double-banded A-series v-belts, double-banded B-series v-belts, two single a-series A-belts, or two single A-series v-belts with this pulley. All of our finished bore 2BK80 pulleys are supplied with the industry standard key-way and set screws. However, if you need a custom bore size we can supply those from our in-house machine shop. or additional information or formal quotes please contact us and we will be happy to assist you.
Key-Way Size Chart:
| Bore Range |
Key-Way Size |
| 1/2" |
None |
| 5/8" - 7/8" |
3/16" X 3/32" |
| 15/16" - 1-3/16" |
1/4" X 1/8" |
| 1-3/8" |
5/8" X 5/16" |
| 1-7/16" |
3/8" X 3/16" |
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