If you’re in need of a single tension pulley for a strapping machine, you can typically find one through various channels:

1. Manufacturer: Contact the manufacturer of the strapping machine directly. They should be able to provide you with the exact replacement part you need or guide you to an authorized distributor.
2. Specialized Suppliers: Look for suppliers that specialize in providing parts and components for industrial machinery. Many of these suppliers offer a wide range of pulleys suitable for strapping machines.
3. Local Industrial Supply Stores: Check with local stores that cater to industrial and manufacturing needs. They may carry tension pulleys or be able to order them for you.
4. Online Industrial Supply Stores: There are many online stores that specialize in industrial supplies. These stores often have a comprehensive selection of machine parts, including tension pulleys.
5. Used Machinery Dealers: Sometimes, used machinery dealers or salvage yards may have parts from decommissioned strapping machines. While the availability may vary, it’s worth exploring as an option.
6. Custom Fabrication: If you’re unable to find an exact replacement, you may need to consider custom fabrication. Machine shops or fabrication workshops may be able to manufacture a tension pulley to your specifications.

When sourcing a tension pulley, be sure to provide the necessary specifications such as size, material, and mounting requirements to ensure compatibility and proper functioning with your strapping machine.