Gates 2/5M825JB (8912-2825) Polyflex JB
Available
Gates Polyflex is a ribbed-back, high-modulus polyurethane V-belt built for small, multiple-V-belt precision drives — it carries more load at higher speeds than a conventional rubber V-belt in the same space, with a precise cast construction (no layers or overlaps) for smooth, low-vibration running.
Where this product is used
Polyflex is a precision drive belt, not a general industrial or agricultural section. Typical applications include:
- Bench-type milling machines, lathe drives and woodworking/metalworking machine spindle drives
- Computer peripheral equipment and small blowers
- Any multiple-V-belt precision drive needing more load capacity in a compact envelope
Key specifications
| Specification | Detail |
|---|---|
| Belt Section | 5M |
| Belt Series | Polyflex JB (joined) |
| Construction | High-modulus polyurethane body; ribbed backing for lateral stability; 60° angle construction for even load distribution |
| Available Stock Sizes (Gates range) | 11 to 73 in (JB: 11 to 59 in) |
| Temperature Range | -54°C (-65°F) to +82°C (+185°F) |
Selecting the right option
Select by cross-section (3M, 5M, 7M or 11M — the number is the top width in mm) and effective length. Gates Polyflex JB (joined) belts are the banded equivalent for multi-groove sheaves, giving matched-set performance without the strand-to-strand variation of separately-fitted singles. Contact AIMS for cross-reference assistance.
Resources
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Light-Duty Belt / 800 / 10
Model Number: 8912-2800
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Light-Duty Belt / 825 / 10
Model Number: 8912-2825
