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Polyflex® JB™ is synonymous with high power density in small spaces. Developed by Gates® and produced to patented manufacturing processes, these belts provide more load-carrying capacity at higher speeds to small multiple V-belt precision drives. This results in significant cost savings and improved design freedom. Polyflex® JB™ belts are recommended for use on bench type milling machines, lathe drives, woodworking and metalworking machine spindle drives, computer peripheral equipment, small blowers, etc.
Gates® Polyflex® JB™ V-Belt, Series: 8913 Series, 7MJB Section, 33.19 in Outside Length, 0.61 in Top Width, 60 deg Angle, 2 Ribs, Bandless Construction, Resists: Fatigue, Ozone, Wear, Urethane, -65 to 185 deg F
| Angle | : | 60 deg |
| Construction | : | Bandless |
| Material | : | Urethane |
| Number of Ribs | : | 2 |
| Outside Length | : | 33.19 in |
| Resists | : | Fatigue, Ozone, Wear |
| Section Size | : | 7MJB |
| Series | : | 8913 Series |
| Temperature Rating | : | -65 to 185 deg F |
| Top Width | : | 0.61 in |
- High modulus polyurethane compound with a high friction coefficient
- The polyurethane compound resists fatigue, wear and ozone
- Excellent adhesion of tensile cords and polyurethane compound leads to high fatigue-resistant and long belt life
- Small cross-section meets special application needs such as high shaft speeds, small drive package size and smooth running requirements
- The 60 deg angle provides more under-cord support to the tensile section and distributes the load more evenly
- Ribs relieve bending stress on small pulleys and provide lateral rigidity
- Long belt life on small pulleys and compact drives
- The precise casting method eliminates overlaps and layers
- High-performance and smooth running for precision applications
- Avoids vibrations when subjected to shock loads
- Joined Belt construction improves stability
- Greater shaft speeds, up to 30,000 rpm
- Cost savings and design freedom