Description
Rexnord Viva VS Coupling series Element VS170 Spacer Element
⚙️ Technical Specs & Features
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Coupling Size: VS170 spacer
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Material: Polyurethane (yellow, slip-on shoe design)
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Continuous Torque Rating: ~2,725 in‑lb (≈308 Nm)
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Max Speed: Up to 4,800 RPM
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Outer Diameter: ~168–170 mm (6.61 in)
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Shaft To Shaft Gap: 2.1 in (54 mm) standard, spacer length ~111 mm
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Weight: ~4.5–5 lb (2.0–2.3 kg)
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Temperature Range: –40°F to 200°F (–40°C to +93°C)
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Installation Ease: Split-in-half element allows replacement without disturbing hubs
🔧 Highlights
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Torsionally Soft & Vibration Damping: The polyurethane membrane cushions shock and vibration, extending equipment service life
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Easy Maintenance: Split element halves mean quick replacement without dismantling the entire coupling
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Flexible & Interchangeable: Works with standard hubs; metric capscrews; reversible hubs and hole positions mean you can adjust shaft spacing without special hardware
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Chemical and Aging Resistance: Polyurethane formula holds up better than traditional elastomers
✅ Summary
The VS170 spacer element is built for mid-range industrial torque applications (~308 Nm) and shaft separations around 54 mm. It’s well-balanced for performance, longevity, and maintenance ease.
Considerations Before You Buy
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Gap size: 54 mm — if your shafts are farther apart, look into extended spacer (VSX170) versions.
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Material: Polyurethane — excellent durability, but not suited for high-temperature (above 200 °F) or chemically harsh environments.
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Hubs/Shoes: Make sure your coupling hubs match VS170 size and type.



