The SPB180-3-2517 pulley is a fundamental transmission component designed for medium-to-heavy loads and high-impact operating conditions. Compared with the SPA series, the SPB groove profile has a wid...
See Details








The ANSI 80-1 American-standard roller chain is the power core built for heavy industrial transmission, mining machinery, and heavy-load conveying systems. The large 25.4mm pitch combined with alloy steel carburizing and quenching lets it deliver tremendous power even under extremely harsh, dusty, high-shock conditions.
| Item | Specification |
| Model | ANSI 80-1 (American standard No. 80, single strand) |
| Standards | ANSI B29.1 / ISO 606 |
| Pitch | 25.4 mm (1 inch) |
| Roller diameter | 15.88 mm |
| Inner width between inner plates | 15.75 mm |
| Pin diameter | 7.92 mm |
| Plate height | 24.10 mm |
| Plate thickness | 3.96 mm |
| Minimum tensile strength | 72.8 kN (approx. 7.4 tons) |
| Weight per meter | Approx. 2.6 kg/m |
| Material | Quality alloy steel (40Mn), pins and bushings carburized and hardened |
Shanghai Rentai Transmission Equipment Co., Ltd. is a manufacturer specializing in R&D, production and export of mechanical transmission components. Our main products include taper lock pulleys, taper lock bushes, timing pulleys, V-belts and timing belts. We also provide OEM & ODM custom service for non-standard transmission parts. Our factory covers over 8000 square meters, with more than 100 employees including 22 technical staff. We integrate casting, machining and finishing, equipped with CNC machines and testing instruments, with an annual casting output of 2000 tons. Supported by complete quality management system and international standards, our products are exported to Southeast Asia, Middle East, Europe and America, delivering reliable transmission solutions for global industrial clients.

Industry Experience

Production staff
Annual Production
Factory Area
We are an integrated modern machinery manufacturer specializing in the production of internationally standard pulleys (S...

Pulleys are generally used for power transmission over long distances, so they have a wide range of applications, such a...

Precautions for Installing Welding Platforms When installing the welding platform, place the supporting brackets at the...
