Product Characteristics
One-piece HT250 gray cast iron pulley
Compact material structure with excellent shock absorption, resisting deformation under continuous tension of V-belts.
Standard precision turned V-grooves
Groove angle and depth comply with national standards, smooth inner walls fully fit the curved surface of V-belts.
Standard bore with taper bush design
Built-in standard keyway and taper locking structure for high coaxiality, compatible with various power transmission shafts.
Product advantages
Non-slip transmission with low power loss
Perfect engagement between V-grooves and belts eliminates slipping at high speed, improving transmission efficiency and saving energy.
Low noise and stable operation
HT250 cast iron absorbs transmission resonance, reduces friction vibration and effectively lowers equipment running noise.
Easy disassembly and wide application
Split taper bush enables quick replacement without removing main shafts, widely used for fans, machine tools and conveyors.
Product detail photos












Product Description
| V belt pulley |


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FAQ
Q: What damage will it cause if one belt is removed from a multi-groove V pulley?
A:Long-term operation with missing belts creates uneven unilateral load, accelerating partial wear and shortening service life of both pulley and remaining belts.
Q: Is anti-rust treatment required for HT250 V pulleys used outdoors?
A:Yes. Cast iron oxidizes easily. Anti-rust coating is necessary to prevent bore rust and seizure in humid outdoor conditions.
Q:Can different types of V-belts be used on one V pulley?
A:No. Each V-groove matches one specific belt model. Mixed belts lead to uneven force, slipping and overheating.
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