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...
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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 wider top section (16.3mm) and deeper grooves. Combined with the 63mm-wide rim, it delivers outstanding stability and resistance to deformation when transmitting high power.
| Model | SPB180-3-2517 (3 grooves) |
| Material | HT250 gray cast iron (GG25) |
| Standards | DIN2211 / ISO4183 |
| Groove profile | SPB narrow V-belt (wide-section series) |
| Number of grooves | 3 |
| Pitch diameter | 180mm |
| Outside diameter | 187mm |
| Rim width | 63mm (wide-rim design) |
| Overall hub width | 45mm |
| Matching taper bush | 2517, standard bore range 20~65mm |
| Surface treatment | Black phosphating / electrophoretic coating for rust protection |
| Process | Casting + CNC precision turning + dynamic balancing |
| Compatible belts | SPB narrow V-belts |
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.

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