Description
OPTIBELT TB SPZ 250/2 PULLEY OPTIBELT | V-grooved Pulley
🔧 Key Specifications
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Brand & Model: OPTIBELT TB SPZ 250/2
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Belt Section: SPZ (narrow V‑belt, ~9 mm top width)
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Grooves: 2
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Pitch Diameter: 250 mm
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Outside Diameter: 254 mm
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Face Width: 28 mm
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Bore Type: Taper‑Lock with 2012 series bush (supporting 14–50 mm shaft diameters)
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Length Through Bore (Hub): 32 mm
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Construction: Spoked cast iron (GG25), precision-machined
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Weight: ~7.7 lb (~3.5 kg)
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Balance Grade: Typically single-plane G6.3 (balanced minus key for up to ~1500 RPM)
⚙️ Features
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Dual SPZ grooves provide compact power transmission solutions.
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Taper‑Lock 2012 bush system ensures quick & secure installation/removal.
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Spoked, precision-cast iron structure maintains strength while reducing inertia.
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Factory-balanced, reducing vibration and extending belt life.
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Corrosion-resistant finish, suitable for standard industrial settings.
🏭 Applications
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Ideal for belt-driven systems in industrial machinery, such as pumps, blowers, and compressors.
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Commonly used in material handling, textile, packaging, and food & beverage lines.
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Suitable for agricultural equipment and general-purpose drives requiring reliable, compact power.
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Great for environments needing frequent maintenance or pulley swaps, thanks to the easy-mount taper-bore design.




