PowerGrip® Timing Belts have helically-wound fiberglass tension members embedded in a Neoprene body to provide high strength, excellent flex life, and high resistance to elongation. The Neoprene body provides protection against grime, grease, oil, heat, and moisture. The Nylon tooth facing provides a durable wear surface for long service life. The use of these belts eliminates lubrication and re-tensioning to reduce maintenance and labor required on drive systems.
Timing belt pitch is determined by the distance from center to center of the teeth (in inches). It is shown in the second part of the belt designation by a letter or letters. Letters correspond to pitches as follows:
| MXL = Mini Extra Light | 0.080" pitch | |
| XL = Extra Light | 0.200" pitch |
| L = Light | 0.375" pitch |
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| TB-135L100