Pulley SPA 280/2 spoked for Taper Lock 2517 — Optibelt/Desch
The offer includes only the pulley itself. The Taper Lock bushing is not included; it is purchased separately.
Spoked SPA 280/2 pulley with two grooves for an industrial belt drive. The empty seat is for a type 2517 bushing. Bushing type determines compatibility with the pulley, while shaft bore is selected separately.
Sold from 1 piece, fulfilment within 48 hours. The price is for one pulley without bushing.
Select a Taper Lock 2517 bushing
Three selected Hubber bushings are shown below. Select the bore to match shaft diameter and check joint requirements. Order the bushing separately; a tile opens its card and does not add it to the basket automatically.
Check bushing price and availability on its card. The category for the entire type may contain different brands.
Dimensions and specifications
| Designation | TB SPA 280/2 |
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| Pulley profile | SPA |
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| Number of grooves | 2 |
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| Datum diameter D | 280 mm |
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| Outside diameter Da | 285,6 mm |
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| Rim width B | 35 mm |
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| Full axial length including hub | 45 mm |
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| Required bushing type | Taper Lock 2517 — to be purchased separately |
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| Design | Spoked pulley, without bushing |
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| Material | Cast iron |
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| Belt profiles | A, HA, AX, SPA, XPA |
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| Mass of the pulley alone | 5,400 kg |
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| OEM code | AT02802 |
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Selection and applications
Select belt profile, datum diameter, number of grooves, ratio and drive load. The bushing must be type 2517 with a bore matched to the shaft. Check the key connection, pulley alignment and belt tension. NERON in Piła helps select power transmission components.
Taper Lock 2517 installation tips
- Stop the drive and secure it against starting. Check the condition of pulley, bushing and shaft, and compatibility of their designations.
- Clean and degrease the shaft and tapered surfaces of the bushing and pulley seat. Align the half-holes according to the specific bushing's instructions; do not lubricate the taper. Prepare the screws according to their manufacturer's instructions.
- Position the assembly on the shaft. If a key is used, maintain the required clearance above it. Check alignment and tighten the screws evenly with a torque wrench.
- Select tightening torque for the manufacturer and type of bushing used. For the Optibelt 2517 bushing, the instructions specify two screws and 49 Nm. For the separately shown Hubber bushings, use Hubber documentation; do not transfer Optibelt values automatically.
- After approx. 0,5–1 hours of operation, stop and secure the drive, then check tightening torque, alignment and belt tension.
These are brief selection and installation tips, not a substitute for the manufacturer's instructions. Optibelt installation and maintenance instructions.
The graphics illustrate a two-groove spoked pulley without a bushing. The offer table specifies the correct dimensions; the diagram is not for measurement or production.
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