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 D50B13H American-standard taper-bush taper-bore sprocket is made of 45# steel with induction-hardened teeth (H), with 13 teeth, a double-strand (D) Type B structure, and fits American standard No. 50 roller chain. It is a durable transmission component within the North American industrial system for heavy-load, high-shock, and harsh conditions.
| Item | Specification |
| Model | D50B13H |
| Product name | American standard taper-bore sprocket (T.B taper bush type) |
| Material | 45# steel |
| Chain number | 50 (fits American standard No. 50 chain) |
| Number of strands | Double strand (D) |
| Number of teeth | 13 |
| Tooth treatment | Hardened teeth (H) |
| Structure | Type B |
| Compatibility | Fits TB taper bush, quick to install and remove |
| Compatible chain | American standard No. 50 roller chain |
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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