Drive Belt 3211080 47C4572 47G4572 for Polaris Snowmobile Classic SKS RMK XC SP 500 600 700 800

Drive Belt 3211080 47C4572 47G4572 for Polaris Snowmobile Classic SKS RMK XC SP 500 600 700 800

Replacement Part Number: 3211080, 3211078, 3211122, 47C4572, 47G4572

Description:
Double-Sided Timing Belt 37×1187La H Type 16mm, CR or EPDM with Aramid Reinforcement
This high-performance double-sided timing belt is engineered for synchronous drive systems requiring bidirectional power transmission, enhanced load capacity, and long-term reliability. With a precise specification of 37×1187La, H-type profile, and 16mm tooth height, it delivers optimal engagement and transmission efficiency.

Material Composition & Options:
Option 1: CR + Aramid Fiber + Polyester Cord
CR (Chloroprene Rubber): Offers excellent resistance to oil, grease, and abrasion, making it ideal for indoor mechanical systems exposed to lubricants or contaminants.

Aramid Fiber Reinforcement: Strengthens the belt body for better tensile strength and tear resistance.

Polyester Cord: Provides cost-effective performance with moderate elasticity and dimensional stability under standard operating conditions.

Option 2: EPDM + Aramid Fiber + Aramid Cord
EPDM (Ethylene Propylene Diene Monomer): Superior thermal, ozone, and chemical resistance. Suitable for outdoor, high-temperature, or acid/alkali-exposed environments.

Full Aramid Construction: Aramid in both the reinforcement and cord layer offers maximum tensile strength, minimal elongation, and exceptional fatigue resistance for long-duty cycles under demanding conditions.

Key Product Advantages:
Double-Sided Tooth Profile: Enables efficient power transmission on both sides, perfect for multi-shaft, reverse drive, or compact synchronous systems.

Long Service Life: Reinforced with aramid fibers to resist stretching, cracking, and wear under dynamic loads.

Dimensional Accuracy: Manufactured to precise La (effective length) and width standards, ensuring seamless integration with H-profile pulleys.

Application Flexibility: Two material configurations tailored for specific working environments and load conditions.

How to Choose Between CR + Aramid + Polyester and EPDM + Aramid + Aramid?
When selecting the appropriate timing belt material, it's essential to evaluate your application's environmental conditions, load demands, and performance expectations. Here's a detailed comparison of the two configurations:

Operating Environment:
The CR + Aramid + Polyester option is ideal for indoor environments, particularly where the equipment may be exposed to oil, grease, or mechanical wear.

In contrast, the EPDM + Aramid + Aramid belt is better suited for outdoor, high-temperature, or chemically aggressive environments, offering superior resistance to UV rays, ozone, moisture, and corrosive agents.

Heat Resistance
CR-based belts perform well under temperatures up to 100°C, which is adequate for standard industrial applications.

EPDM belts provide excellent thermal resistance, withstanding continuous temperatures of 130–150°C, making them ideal for high-heat or thermally unstable systems.

Chemical and Weather Resistance
CR rubber provides moderate protection against environmental factors but may degrade over time when exposed to harsh chemicals or prolonged UV exposure.

EPDM exhibits outstanding durability in acidic, alkaline, ozone-rich, and outdoor environments, maintaining flexibility and integrity over time.

Tensile Strength and Load Capacity
Belts with polyester cords offer solid strength and minimal elongation under medium loads, suitable for most general-purpose machinery.

Belts reinforced with aramid cords provide maximum tensile strength, minimal stretch, and exceptional load-handling capability, making them the preferred choice for high-load, high-speed, or precision-driven applications.

Cost Efficiency
CR-based belts with polyester cords are generally more economical, offering reliable performance at a lower price point.

EPDM belts with full aramid reinforcement are considered premium-grade products, offering extended life cycles and minimal maintenance requirements, making them a better long-term investment for demanding environments.

Conclusion:
If your application operates in controlled indoor settings with moderate loads, the CR + Aramid + Polyester configuration offers dependable performance and good value. However, for outdoor systems, chemically exposed equipment, or applications requiring high precision and durability, the EPDM + Aramid + Aramid version is the superior choice.

Let your application environment and performance needs guide your decision for optimal belt longevity and system reliability.

Applications:
Fit For Polaris Snowmobile:
2012 120 Pro R
2008 700 IQ
2008 700 DRAGON IQ
2008 600 IQ SHIFT
2008 600 DRAGON IQ
2007-2008 600 IQ LX
2007 600 IQ Touring
2007 600 HO SWITCHBACK
2007 600 HO IQ
2007 600 CFI SWITCHBACK
2007 600 CFI IQ
2006 700 Touring
2006 700 Classic
2006 600 HO Fusion Dragon
2006 600 Fusion
2004-2006 600 SWITCHBACK
2004-2006 600 EDGE Touring
2004-2005, 2001-2002 600 XC SP
2004-2005 800 EDGE Touring
2004 800 SWITCHBACK
2004 800 PRO XR
2004 800 PRO X 2
2004 800 CLASSIC
2004 700 SWITCHBACK
2004 700 PRO X 2
2004 700 EDGE Touring
2004 600 PRO X 2
2003-2006 600 RMK 144
2003-2005 800 RMK 159
2003-2005 700 XC SP
2003-2005 700 RMK 151
2003-2004 800 PRO X
2003-2004 700 PRO X
2003-2004 440 PRO X LIQUID
2003 VERTICAL ESCAPE
2003 800 XC SP Edge X M-10
2003 800 XC SP Edge X
2003 800 SKS
2003 800 RMK 144 F&O
2003 800 CLASSIC Touring
2003 700 XC SP Edge X M-10
2003 700 XC SP Edge X
2003 700 SKS
2003 700 CLASSIC Touring
2003 600 XC SP Edge X M-10
2003 600 XC SP Edge X
2003 500 XC SP F/O
2003 500 XC SP Edge X M-10
2003 500 XC SP Edge X
2003 500 CLASSIC
2002-2007 500 XC SP
2002-2005 800 XC SP
2002-2005 800 RMK 151
2002-2005 800 RMK 144
2002-2005 700 RMK 144
2002-2004 700 CLASSIC
2002-2003 800 XC SP M-10
2002-2003 700 XC SP M-10
2002-2003 700 RMK 151 F/O
2002-2003 600 XC SP M-10
2002-2003 500 XC SP M-10
2002 INDY 700 136 F/O
2002 INDY 700 136
2002 800 XC SP F/O
2002 800 RMK 156 F/O
2002 800 RMK 151 F/O
2002 700 XC SP F/O
2002 600 XC SP F/O
2002 600 RMK 136
2001-2006 600 CLASSIC
2001-2004 600 PRO X
2001-2003 500 XC
2001-2002 700 XC SP Red
2001-2002 700 XC SP Black
2001-2002 440 PRO X
2001 800 XC SP Red
2001 800 XC SP Blue
2001 800 XC SP Black
2001 800 LE
2001 700 XC SP W/VES
2001 700 XC SP Blue
2001 500 XC SP Red
2001 500 XC SP Blue
2001 500 XC SP Black
2000 600 XC SP EDGE
2000 440 XCF EDGE
2000 440 XC EDGE
1999 440 XCR SP