BlackStar 4545 2 3/8 STL - Taper Lock Bushing - 2 3/8" Bore Double so the 18/C420 interchanges with

so the 18/C420 interchanges with Gates 18/C420

The Gates P56-14MGT-115 PowerGrip GT Sprockets - 8M and 14M 77111056 is a timing belt sprocket

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Is 3/A103 the same as other brands' 3/A103

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BlackStar 4545 2 3/8 STL - Taper Lock Bushing - 2 3/8" Bore Double so the 18/C420 interchanges withThe BlackStar 4545 2 3 8 STL is a 4545 series taper lock bushing with a 2 3 8" 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 3 8 STL Bushing Type Taper Lock Series 4545 Bore Size 2 3 8" Minimum Bore 1 1 4" Maximum Bore 4 1 2" Outside Diameter 6. 590" Length 4 1 2"