BlackStar R1 1 11/16 - Split Taper Bushing - 1 11/16" Bore TL3030 com/products/gates-t10-1560-200-synchro-power-polyure-timing-belt"

com/products/gates-t10-1560-200-synchro-power-polyure-timing-belt"

v=1770158376"

so a 3/BK81 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

250-S8M-712 is a standardized industry size

BlackStar R1 1 11/16 - Split Taper Bushing - 1 11/16" Bore TL3030 com/products/gates-t10-1560-200-synchro-power-polyure-timing-belt"The BlackStar R1 1 11 16 is a R1 series split taper bushing with a 1 11 16" 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 11 16 Bushing Type Split Taper Series R1 Bore Size 1 11 16" Minimum Bore 1 1 8" Maximum Bore 2 13 16" Outside Diameter 4. 000" Length 2 7 8" Material Steel