BK120-1-1/4 | V-Belt Sheave, 1.25 in Bore, 4L, A, 5L, B Belt, 11.75 in OD

Key features

• Light Duty V-Belt Sheave, 4L, A, 5L, B Belt Section, 1 Groove, 1.25 in Finished Bore, 11 in (A) Pitch Dia., 11.75 in OD, Gray Cast Iron Material

The BK120-1-1/4 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: BK120-1-1/4 - Product Type: V-Belt Sheave - Material: Cast Iron - Belt Section Size: 4L, A, 5L, B - Pitch Diameter for 3L Belts: 11 in - Pitch Diameter for 4L or A Belts: 11.4 in - Pitch Diameter for 5L or B Belts: 11.4 in - Number of Grooves: 1 - Bore Diameter: 1.25 in - Bore Type: Finished Bore with Keyway and 2 Set Screws - Outer Diameter: 11.75 in - Overall Width: 1.46875 in - Overall Length: 11.75 in - Overall Height: 11.75 in - Length Through Bore: 1.4685 in - Hub Diameter: 2.205 in - Hub Length: 0.6575 in - Face Width: 0.874 in - Side Face Offset: 0.063 in - Sheave Construction: Spoked - 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: 8.42 lb Stocked and shipped fast from offroadbelts.com. Industrial-grade replacement part for OEM, MRO and maintenance buyers — order with confidence.

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