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Pulleys Pulleys In Stock
V-Belt Pulley — Taper Bush Type
V-belt pulleys with taper bush mounting system for easy installation and removal. Available in SPZ, SPA, SPB, and SPC profiles for industrial belt drives.
Belt Profiles
SPZ, SPA, SPB, SPC, Z, A, B, C, D
Diameter Range
50 mm – 1,250 mm
Grooves
1 to 12 grooves
Material
GG25 Cast Iron, dynamically balanced
Product Details
Key Features
- ✓Taper bush system — fast mounting, self-centering
- ✓Cast iron GG25 construction, dynamically balanced
- ✓Standard and custom groove configurations
- ✓Phosphated finish for corrosion protection
Technical Specifications
| Belt Profiles | SPZ, SPA, SPB, SPC, Z, A, B, C, D |
| Diameter Range | 50 mm – 1,250 mm |
| Grooves | 1 to 12 grooves |
| Material | GG25 Cast Iron, dynamically balanced |
The taper bush pulley system represents the industry standard for industrial V-belt drives. The split taper bush provides a mechanical interference fit on the shaft without the need for keyway damage or shaft galling.
## Taper Bush Advantages
- **Quick Installation** — Slide on, tighten screws, done
- **Self-Centering** — Automatic concentricity without shimming
- **Easy Removal** — Loosen screws, use jacking holes to release
- **Interchangeable** — Change bore size by swapping bushes only
## Balancing
All pulleys are dynamically balanced to ISO 1940 Grade G6.3 as standard. Grade G2.5 balancing is available for high-speed applications above 3,000 rpm.