1 Groove BK45-5/8" ID 5/8" ( 0.625" ) Bore cast iron Solid Pulley with 4.5" inch OD for V-belts size 4L, 5L (BK4558)
BK Finished Bore Sheaves for (4L or A or 5L or B Belts) BK Sheaves are accurately machined from fine grained cast iron, statically balanced, They are furbished with Standard Keyseats and Hollow Head Setscrews The V-Belts you that can run in this pulley are 4L, or A or 5L, B, V-Belts. The belt series most common for this pulley is the 4L and A section. Keyway not included
