Gates® Power Transmission Poly Chain® GT® Carbon™ 8MGT-4000-21 Synchronous Belt, 21 mm W, 4000 mm OAL, 8 mm Pitch, 500 Teeth, Polyurethane
Give yourself a competitive advantage by designing in the Gates Poly Chain™ GT™ Carbon drive system instead of roller chain in your next power transmission application. The patented use of carbon fiber as the tensile cord in this belt provides increased horsepower rating for greater power density and compactness. When combined with Gates Poly Chain GT sprockets, you have a lightweight, long-lasting, maintenance-free system that's more than a match for roller chain.
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BrandGates® Power Transmission
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UPC72053450897
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Manufacturer Part Number8MGT-4000-21
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CountryUSA|Canada
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Pitch8 mm
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Temperature Range-65 to 185 deg F
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MaterialPolyurethane
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Tooth ProfileCurvilinear
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Reinforced MaterialCarbon
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Minimum Pulley Diameter95.17 mm
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Width21 mm
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Series9274
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Number of Teeth500
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Overall Length4000 mm
- Durable polyurethane construction resists chemicals, oil, pollutants and abrasion
- Nylon tooth facing reduces friction and eliminates the need for lubrication
- Maintenance-free, clean solution for roller chain drive conversion
- Significantly reduces maintenance cost
- Equivalent capacity to roller chain drives in the same width
- Easy rust-free wash-down with Gates® stainless steel hardware
- Fast drive conversion payback
- Quieter than roller chain drives
- New construction provides up to 55% more low-speed capacity than the original PCGT construction and 30% more than PCGT2
- Gates® curvilinear tooth profile provides high shear strength, noise reduction and improved load carrying capacity
- Robust carbon tensile cord combines minimal stretch with extraordinary strength and load carrying capacity, while absorbing shock and surge loads
| Competitor Name | Cross-Reference Number |
|---|---|
| Motion Industries | 00740102 |
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Alternative Part Number92741500
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UNSPSC26111811
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Package DescriptionEACH
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Standards/ApprovalsRMA Standard
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Instruction/Installation Manual
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Specification Sheet
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Catalog
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Gates® Power Transmission Poly Chain® GT® Carbon™ 8MGT-4000-21 Synchronous Belt, 21 mm W, 4000 mm OAL, 8 mm Pitch, 500 Teeth, Polyurethane
Give yourself a competitive advantage by designing in the Gates Poly Chain™ GT™ Carbon drive system instead of roller chain in your next power transmission application. The patented use of carbon fiber as the tensile cord in this belt provides increased horsepower rating for greater power density and compactness. When combined with Gates Poly Chain GT sprockets, you have a lightweight, long-lasting, maintenance-free system that's more than a match for roller chain.
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TRAKROL® bearings feature black oxide treated bearing steel. They utilize either a precision ball or tapered roller bearing insert for longer operating life under combination radial and thrust loads. The capacity for combination loads allows the TRAKROL® bearing to be available in plain (cylindrical), V-groove and flanged outside diameter in both stud and yoke styles. Small sizes less than 3 in outside diameter or point diameter use sealed ball bearing inserts. They also use a NYLAPLATE® seal for additional protection. Stud type configurations utilize a metal end plug seal on the roller face providing a long lasting seal. Both bearing types provide a large internal grease reservoir along with special sealing. This makes TRAKROL® bearings an excellent choice where reduced maintenance is required.

