2AK49H 7/8" Bore Solid Sheave Pulley with 4.9" OD Double Groove Pulley 2AK49H for V-belts size 4L, A, AX, 2AK49H 7/8" (OD 4.9"- H :ID 7/8" )2AK49H 7 8" Bore Solid Sheave Pulley with 4. 9" OD Double Grooves for V belts size 4L, A, AX, 2AK49H 7 8" (Pulley OD 4. 9" H : ID 7 8") Outside diameter: 4. 9" inch H Bore: 7 8" inch Belt section size: 4L, A,AX 2 Grooves One pulley Cast Iron 2AK H bushing V Belt sheaves is an excellent choice for inch and metric shafts. AK Sheaves are accurately machined from fine grained cast iron, statically balanced, painted and individually packaged. The belt