Megadyne B123 V-Belt, B Section Fractional Horsepower 16T10/1250US is a timing belt

16T10/1250US is a timing belt used on positive

The 9/B67 is used for high-shock and high-vibration drives

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so a 16T5/460US from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

Megadyne B123 V-Belt, B Section Fractional Horsepower 16T10/1250US is a timing beltMegadyne B123 V Belt, B Section The Megadyne B123 is a classical wrapped V belt in the B cross section with a 125. 7" outside circumference. Classical V belts handle general purpose industrial power transmission across pumps, fans, compressors, and machinery. It is a direct replacement for Jason Industrial B123. Specification Value Part Number B123 Cross Section B Construction Wrapped Top Width 21 32" Thickness 0. 43" Outside Circumference 125. 7"