Megadyne 8/D300 Banded V-Belt, D Section HUS 3/CX99 is a standardized industry

3/CX99 is a standardized industry size

so a 2/8VK3550 from any major manufacturer shares the same cross-section and length and runs on the same sheaves

The Gates 5/7M690JB is a Polyflex JB joined V-belt: five 60° polyurethane strands cast as one band for added stability on high-speed drives

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Megadyne 8/D300 Banded V-Belt, D Section HUS 3/CX99 is a standardized industryMegadyne 8 D300 Banded V Belt, D Section The Megadyne 8 D300 is a banded (8 rib) D V belt with a 304. 7" outside circumference. Joining the strands into one band resists belt whip, turnover, and mismatched stretch on high shock, high vibration drives. It is a direct replacement for Jason Industrial 8 D300. Specification Value Part Number 8 D300 Cross Section D Construction Wrapped Top Width 1 1 4" Thickness 0. 75" Outside Circumference 304. 7" Number