Description
OPTIBELT TB SPZ 250/4 PULLEY OPTIBELT | V-grooved Pulley
🔧 Key Specifications
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Brand & Model: OPTIBELT TB SPZ 250/4
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Belt Section: SPZ (narrow profile, ~9 mm top width)
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Number of Grooves: 4
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Pitch Diameter: 250 mm
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Outside Diameter: 254 mm
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Face Width (Overall Width): 52 mm
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Bore Type & Series: Taper‑Lock bushing, series 2517, with bore range ~16–65 mm
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Pulley Construction: Spoked cast iron (EN‑GJL 200/GG25)
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Length Through Bore (Hub Length): ~45 mm
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Weight (pulley only): ~12.54 lb (≈ 5.7 kg)
⚙️ Features
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Precision-machined SPZ grooves ensure excellent belt tracking, grip, and efficiency.
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Taper-Lock bushings (2517 series) allow accurate, easy installation and secure mounting.
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Spoked cast-iron construction combines strength with reduced inertia and weight.
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Factory-balanced (likely G6.3) for smooth, vibration-free operation at typical industrial RPMs.
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Corrosion-resistant surface treatment enhances long-term performance in tough environments (implied from Optibelt’s standard finish).
🏭 Applications
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Multi-groove belt drives in industrial systems: pumps, compressors, fans, blowers.
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Structural fit in packaging, material handling, textile, food & beverage equipment.
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Agricultural and general machinery requiring compact, high-torque, belt-driven solution.
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Ideal for setups needing quick pulley swaps or frequent maintenance, thanks to the taper-bush design.
