Caliso 630K5 Poly V Serpentine Belt K Section - 5-Rib 63 Inch

The Caliso 630K5 is a K-section Poly V serpentine belt featuring 5 ribs and a 63.0-inch (1601mm) pitch length, also referenced as the 5PK1601 in metric designation. Designed as a heavy-duty power transmission belt, it delivers reliable, smooth performance in a compact, multi-rib profile suitable for automotive, industrial, agricultural, and lawn & garden equipment applications.

Key Features:

• K-Section Micro V Profile — 3.56mm rib pitch and 5.50mm overall height for precise pulley engagement
• 5-Rib Construction — Approximately 0.70 inches wide, providing maximum surface contact for efficient, slip-free power transfer
• 63.0-Inch Pitch Length — Equivalent to approximately 63.75 inches outside circumference
• High-Strength Tensile Cords — Specially treated polyester tensile member resists elongation and maintains stable tension over time
• Fabric-Reinforced Top Layer — Guards against reverse bending stress and wear from back idler contact
• Temperature Resistant — Rated to perform from -30°C to +60°C (+80°C for short durations)
• Oil & Humidity Resistant — Rubber compound construction provides good resistance to mineral oils and high-humidity environments
• Vibration-Free Operation — Ideal for high-speed and high drive ratio applications requiring smooth, quiet performance

The 630K5 Poly V belt is also commonly cross-referenced as 5PK1601 and is compatible with standard K-section multi-groove pulley systems. It is a direct replacement for OEM and aftermarket applications requiring a 5-rib, 63-inch K-section serpentine belt.