BlackStar R1 1 7/8 - Split Taper Bushing - 1 7/8" Bore 20M Section "text": "The D450 is used

"text": "The D450 is used for general-purpose industrial drives

com/products/continental-ctd14m-1890-90-synchrochain-carbon-timing-belt"

so a 250-S8M-1728 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

"name": "Does 2/A69 ship from Houston

com/s/files/1/0666/7721/products/K_Section_2e565d49-9e97-411a-8d2a-6e8e4853ca02

BlackStar R1 1 7/8 - Split Taper Bushing - 1 7/8" Bore 20M Section "text": "The D450 is usedThe BlackStar R1 1 7 8 is a R1 series split taper bushing with a 1 7 8" finished bore, precision manufactured from high grade steel. Split Taper bushings use a two piece split design for easy shaft mounting and are ideal for sheaves, sprockets, and couplings. Specifications Part Number R1 1 7 8 Bushing Type Split Taper Series R1 Bore Size 1 7 8" Minimum Bore 1 1 8" Maximum Bore 2 13 16" Outside Diameter 4. 000" Length 2 7 8" Material Steel Approx.