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 23V265TB is an American-standard 3V 2-groove taper-bush pulley built for high-speed, light-load, space-constrained applications. Its extremely low moment of inertia and compact axial structure make it an ideal choice for direct-coupled small motors and precision transmission.
| Item | Specification |
| Model | 23V265TB |
| Number of grooves | 2 |
| Groove profile | 3V (American standard narrow V-belt pulley) |
| Pitch diameter | 2.6 inch (66.04mm) |
| Outside diameter | 2.65 inch (67.31mm) |
| Matching taper bush | TB series taper bushes (TB1008 / TB1108, etc. available) |
| Bore type | TB taper-bush bore; different TB bush sizes can be swapped in to fit a variety of shaft diameters |
| Material | HT250 gray cast iron |
| Surface treatment | Black oxide rust-proof treatment |
| Process | Precision casting + machining, dynamic balancing |
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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