Description
OPTIBELT TB SPZ 250/1 PULLEY OPTIBELT | V-grooved Pulley
🔧 Key Specifications
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Brand & Model: OPTIBELT TB SPZ 250/1
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Belt Profile: SPZ (narrow V‑belt, ~9 mm top width)
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Grooves: 1
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Pitch Diameter: 250 mm; Outside Diameter: 254 mm
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Face Width (Overall Width): 16 mm
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Bore Type: Taper‑Lock using 2012 bush (fits 14–50 mm shafts)
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Length Through Bore (Hub): 32 mm
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Material & Construction: Spoked cast iron, precision-machined
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Weight: ~6.16 lb (~2.8 kg)
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Balance Grade: One-plane symmetrical (minus key) per G6.3, suitable for up to ~1500 rpm
⚙️ Features
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Single SPZ groove, excellent for compact and efficient power transmission
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2012 Taper-Lock bush enables fast, secure mounting and removal
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Spoked cast-iron design ensures strength while minimizing inertia
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Factory-balanced to reduce vibration and extend belt life
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Corrosion-resistant finish, typical of Optibelt industrial pulleys
🏭 Applications
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Ideal for belt-driven systems in industrial machinery: pumps, blowers, compressors
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Suitable for material handling, packaging, textile, food & beverage, agricultural equipment
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Excellent for setups requiring quick pulley changes, owing to taper-bore design
