BK45-1" Sheave cast iron Solid Pulley with OD: 4.5" inch for V-belt size B Class 5L (BK451) Idler Pulleys AK56-7/8" Sheave Pulley with 5

AK56-7/8" Sheave Pulley with 5

AK27 3/4" Sheave Solid Pulley

2MAL34Light Duty Type 1B 2 Groove Bushed Sheave

Keyway size: 5/16" X 3/16"

2BK52-1 1/8" Sheave Pulley With OD: 4

BK45-1" Sheave cast iron Solid Pulley with OD: 4.5" inch for V-belt size B Class 5L (BK451) Idler Pulleys AK56-7/8" Sheave Pulley with 5BK45 1" Sheave cast iron Solid Pulley With OD: 4. 5" inch for V belt size B Class 5L (BK451) BK45 1" 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.