BlackStar 4545 2 1/2 STL - Taper Lock Bushing - 2 1/2" Bore 5M The C53 is used for

The C53 is used for general-purpose industrial drives

so the Megadyne 2/B78 interchanges with Gates

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16/B184 is a banded v-belt used on industrial drives - fans and blowers

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BlackStar 4545 2 1/2 STL - Taper Lock Bushing - 2 1/2" Bore 5M The C53 is used forThe BlackStar 4545 2 1 2 STL is a 4545 series taper lock bushing with a 2 1 2" finished bore, precision manufactured from high grade steel. Taper Lock bushings provide a secure, concentric grip on the shaft through a precision machined taper, ensuring reliable power transmission. Specifications Part Number 4545 2 1 2 STL Bushing Type Taper Lock Series 4545 Bore Size 2 1 2" Minimum Bore 1 1 4" Maximum Bore 4 1 2" Outside Diameter 6. 590" Length 4 1 2"