The AK54 X 1 1/8 is a v-belt sheave for v-belt power transmission drives in industrial, agricultural and HVAC equipment. Precision-machined for accurate belt tracking, smooth operation and long service life. Specifications: – Manufacturer Part Number: AK54 X 1 1/8 – Product Type: V-Belt Sheave – Material: Cast Iron – Bore Diameter: 1.125 in – Bore Type: Finished Bore with Keyway and Set Screws – Outer Diameter: 5.25 in – Overall Width: 1.15625 in – Overall Length: 5.25 in – Overall Height: 5.25 in – Duty Type: Light – Finish/Coating: Grey Painted Protective Coating – Part Weight: 2.6 lb Stocked and shipped fast from offroadbelts.com. Industrial-grade replacement part for OEM, MRO and maintenance buyers — order with confidence.