hp 300 metso pulley

• What is a Crusher Pulley and Why It Matters？

  Jun 09, 2026

  Most people focus on concaves, jaw plates, and blow bars. The crusher pulley is rarely mentioned. But when the pulley fails, the whole crushing line stops. No power transmission means no crushing. At ONA, we manufacture high-quality crusher pulleys. Here’s what you need to know. A crusher pulley mounts on the input shaft. The motor drives it through V‑belts, and it transfers rotational power to the eccentric shaft or the countershaft. Without a pulley, there is no power. Without power, there is no crushing.   Why the Pulley Matters More Than You Think？ First link in the drive chain – A poor pulley causes vibration, misalignment, and belt damage. Dynamic balance requirement – An unbalanced pulley shakes the entire crusher, wearing bearings and loosening bolts. Belt and bearing protection – Worn grooves destroy belts quickly; misalignment overloads bearings.   What are the Parts Included in the Pulley? Eg：HP400 ONA-7068606761 Pos Part No. Description Qty Net Wght 1 ONA-7003234746 PULLEY, V-BELT 1 255 2 ONA-7003241824 HUB 1 25 3 ONA-1047009520 PARALLEL KEY 1 0.9 4 ONA-7015778304 BUSHING 1 2.3     Advantages of ONA Pulleys: Precision Machining – Strictly controlled according to OEM drawings for a perfect match. Dynamic Balancing Test – Verified before shipment for smooth operation. Dual Connection Methods – Keyway or tapered sleeve for easy installation without damaging the shaft. Full Range Compatibility – Covers mainstream brands of jaw crushers and cone crushers. Customization Service – Provide drawings, samples, or model numbers for precise production.     ONA Pulley ONA's pulleys are core transmission components designed specifically for jaw and cone crushers. They are not only available in a wide variety to perfectly fit the full range of models from mainstream brands such as suitablefor Metso and Sandvik, but also based on precision machining and reliable dynamic balancing to ensure stable and efficient equipment transmission. What Models of Pulley Do You Offer? Suit Metso HP4, HP6, HP200, HP300 ,HP400, HP500, HP800, G10SEC, GP11F, GP220, GP300, GP300S, GP500S, C80, C96 C106, C110, C120, C125, C140, C145, C160, C200, MP1250, NP1315, NW100HPC, NW200HP, LT1100, LT200HP, OMNI1560, CVB1540, CVB2025-2 Sandvik CH440, CH880, H8800, CJ612 Barmac B9100SE Symons 4.25FT Trio TC36, TC51 Others ST4.8, TS300, TS500     Simple Maintenance Tips for Longer Pulley Life Inspect groove wear every 500 hours. Replace the pulley if side wear exceeds 1 mm. Tighten taper lock bolts to the specified torque using a torque wrench. Align the pulley with the motor sheave using a straight edge or laser alignment tool. Listen for unusual wobble or clicking sounds during operation. Replace the pulley immediately if any crack is found.   The crusher pulley is a precision power transmission component. When it works well, you don’t notice it. When it fails, your production stops. ONA supplies durable, precision‑balanced pulleys for jaw and cone crushers – in stock or custom‑made. Keep your crusher running.     All names, marks, models, symbols and descriptions are used for reference purposes only and it is not impied that any of the parts/brands listed are the product of any company other than ONA. We are not agents or distributors for any of the above mentioned brands nor do we have any commercial relationship or association with them.    

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