The AK61-15/16 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: AK61-15/16 - Product Type: V-Belt Sheave - Material: Cast Iron - Belt Section Size: 3L, 4L, A - Pitch Diameter: 5.36 in - Pitch Diameter for 3L Belts: 5.36 in - Pitch Diameter for 4L or A Belts: 5.7 in - Number of Grooves: 1 - Bore Diameter: 0.9375 in - Bore Type: Finished Bore with Keyway and 2 Set Screws - Outer Diameter: 5.95 in - Overall Width: 1.15625 in - Overall Length: 5.95 in - Overall Height: 5.95 in - Length Through Bore: 1.1575 in - Hub Diameter: 1.732 in - Hub Length: 0.4685 in - Face Width: 0.752 in - Side Face Offset: 0.063 in - Sheave Construction: Solid - Keyway Size: 1/4 X 1/8 - Set Screw Size: 5/16/2018 - Set Screw Quantity: 2 - Finish/Coating: Grey Paint - Recommended Tightening Torque (Lb-In): 110 in-lbs - Part Weight: 2.81 lb Stocked and shipped fast from offroadbelts.com. Industrial-grade replacement part for OEM, MRO and maintenance buyers — order with confidence.