Product Characteristics
Integrally cast high-strength HT250 gray cast iron
Dense and uniform internal graphite structure with stable tensile strength to sustain continuous transmission torque load.
Precision turned V-belt grooves
Smooth burr-free groove walls and standard radian ensure full contact fit with V-belts without hollow gaps.
Standard taper lock bore design
Compatible with universal taper bushes, high machined bore precision and controllable concentricity to avoid eccentric positioning during installation.
Product advantages
Stable transmission efficiency with low power loss
Standard grooves fully engage belts to eliminate slipping at high speed, minimize power waste and cut energy consumption.
Smooth operation with vibration & noise reduction
HT250 material has natural shock absorption capacity to buffer startup impact and lower resonance noise of transmission parts.
Time-saving installation and maintenance
Split taper bush structure allows quick replacement without disassembling the whole shaft system, matching power ends of various motors.
Product detail photos
Product Description
| Belt drive pulley | |
| Groove Profile | SPA,SPB,SPC,SPZ,3V,5V,8V |
| Number of Grooves | 1 / 2 / 3 / 4 / 5 grooves |
| Outer Diameter (OD) | 80mm, 100mm, 160mm, 250mm |
| Pitch Diameter (PD) | 76mm, 95mm, 153mm, 242mm |
| Matching Taper Bushing | 1008, 1108, 1210, 1610, 2012, 2517, 3020 |
| Standard Bore Range | 16mm ~ 80mm, custom bore available |
| Keyway Size | 5×3, 6×3, 8×4, 10×5, 12×6 |
| Material | HT200 Cast Iron /45# Carbon Steel |
| Matching Belt | SPZ / SPA / SPB V-belt |
| Application Equipment | Fan, Water Pump, Reducer, Agricultural Machinery, Woodworking Machine |
| Production Process | Casting + Precision Turning, Dynamic Balancing Test |
| Custom Service | Non-standard OD, Special Bore, Wider Groove, Lightening Holes |
| Place of Origin | China |
| Packaging | Wooden case/Carton |
| HS code | 8483900090 |
Partial drawing display
Eight reasons to choose us
We have our own factory
Multiple certificate certifications
Customizationand selection Steps
Payment and Price Terms
Production and testing
Packaging and transportation
Signing for receipt and after-sales service
FAQ
Q: Are HT250 belt drive pulleys suitable for high-power impact machinery?
A:They only fit regular working conditions with low to medium impact. Ductile iron pulleys with higher toughness are recommended for equipment under frequent heavy impact to avoid fracture.
Q: Can a drive pulley with scratches on groove walls keep working normally?
A:Minor scratches allow short-term use, while deep scratches will cut belts. Timely replacement is required to prevent unexpected shutdown caused by belt breakage.
Q: Do taper lock pulleys fit all motor shaft diameters?
A:Multiple sizes of taper bushes are available for different shaft diameters. Provide motor shaft dimension to match the correct bush model before ordering.
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