System of Measurement System of Measurement |
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Belt Trade Size Belt Trade Size |
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Reinforcement Material Reinforcement Material |
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Teeth Location Teeth Location |
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![]() | Teeth on One Side |
Teeth Shape Teeth Shape |
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![]() | Curved |
Number of Teeth Number of Teeth |
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Manufacturer Equivalent Number ManufacturerEquivalent Number |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Teeth Finish Teeth Finish |
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Color Color |
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![]() | Black |
Material Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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High-Strength HTD Timing Belts


HTD (high torque drive) timing belts have a curved tooth shape that provides higher strength than trapezoidal teeth. Belts are neoprene with fiberglass reinforcement for quiet operation. The teeth are nylon coated to protect the wear surface and minimize friction.
For technical drawings and 3-D models, click on a part number.
Belt Trade Number | Manufacturer Equivalent Number | Outer Circle, mm | Number of Teeth | Pitch, mm | Material | Color | Temperature Range, °F | Specifications Met | Each | |
20 mm Wd. | ||||||||||
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600-8M-20 | Omega HP | 600 | 75 | 8 | Neoprene | Black | -20° to 212° | ISO 9563 | 00000000 | 000000 |
30 mm Wd. | ||||||||||
600-8M-30 | Omega HP | 600 | 75 | 8 | Neoprene | Black | -20° to 212° | ISO 9563 | 00000000 | 00000 |
50 mm Wd. | ||||||||||
600-8M-50 | Omega HP | 600 | 75 | 8 | Neoprene | Black | -20° to 212° | ISO 9563 | 00000000 | 00000 |
High-Strength Ultra-Quiet Timing Belts


Also known as GT profile belts, belts with curved teeth minimize vibration and noise output. The teeth distribute pressure uniformly, so they wear evenly and last longer. Close engagement of the tooth and pulley offers more precise timing in heavy-load systems than trapezoidal teeth and HTD belts. Belts are neoprene, which is flexible and operates quietly. The fiberglass reinforcement on these belts add greater durability.
For technical drawings and 3-D models, click on a part number.