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Description
The A79R is a heavy-duty, classical raw-edge industrial V-belt measuring 1/2 inch in top width and 81-1/2 inches in outside length. Prominent in the Timken Super II series (formerly Carlisle), it features a 79-inch inside circumference and is engineered to serve as a high-performance upgrade over standard wrapped belts on high-stress drives.
Key Specifications
- Top Width: 1/2 in (approx. 13 mm)
- Thickness: 11/32 in (0.34375 in)
- Inside Length: 79 in
- Outside Length: 81-1/2 in
- V-Belt Section: A-R (Classical A-section equivalent)
- Construction: Molded raw-edge sidewalls, fiber-loaded EPDM rubber
Features & Benefits
- Raw-Edge Efficiency: The un-wrapped, raw-edge sidewall construction provides a superior grip inside pulley grooves. This design maximizes power transmission efficiency and significantly reduces energy-wasting slippage.
- Central Neutral Axis (CNA): Utilizes specialized CNA cord placement to position the high-modulus polyester tensile cords lower within the pulley. This prevents belt rollover and maintains exceptional tracking stability under sudden load shifts.
- Industrial EPDM Compound: Formulated to withstand extreme operational temperatures ranging from -50°F to 250°F. It is highly resistant to hardening, oil tracking, severe heat, and environmental ozone degradation.
- Chek Mate Matching: Manufactured to Timken's strict Chek Mate tight tolerances. This guarantees that multiple A79R belts can be installed together as a perfectly matched set on multi-groove pulleys without manual sorting.
- Heavy Machinery Applications: Commonly utilized on demanding equipment layouts such as industrial shaker screens, commercial washers and dryers, and debarkers.
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