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Description
The B140R is a heavy-duty, classical raw-edge industrial V-belt measuring 21/32 inch in top width and 143 inches in outside length. Prominent in the Timken Super II series (formerly Carlisle), it has a 140-inch inside circumference and serves as a high-performance alternative to standard wrapped fabric belts on problem-prone drives.
Key Specifications
- Top Width: 21/32 in (0.66 in / approx. 16.7 mm)
- Thickness: 13/32 in (approx. 10.3 mm)
- Inside Length: 140 in
- Outside Length: 143 in (143.1 in outside circumference)
- V-Belt Section: B-R (Classical B-section raw-edge equivalent)
- Construction: Molded raw-edge sidewalls, fiber-loaded EPDM rubber
Features & Benefits
- Raw-Edge Traction: The un-wrapped, raw-edge sidewall construction grips pulley walls aggressively. This eliminates the energy loss, slippage, and heat buildup common in standard wrapped fabric belts.
- Central Neutral Axis (CNA): Features specialized CNA cord placement to seat the high-modulus polyester tensile cords perfectly inside the pulley groove. This ensures uniform tension and prevents belt rollover under sudden shock loads.
- Premium EPDM Compound: Engineered to handle punishing environments, resisting oil, hardening, heat, and ozone. It maintains full performance across an extreme temperature range of -50°F to 250°F.
- Chek Mate Matching: Manufactured to Timken's strict Chek Mate tight tolerances. This guarantees that multiple B140R belts can be paired seamlessly into a perfectly balanced, multi-groove drive configuration without manual sorting
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