Pulley SPA 170/2 for Taper Lock 2012 — Optibelt/Desch
The offer includes only the pulley itself. The Taper Lock bushing is not included; it is purchased separately.
Solid SPA 170/2 pulley with two grooves for an industrial belt drive, with an empty seat for bushing 2012. The bushing type determines compatibility with the pulley; select the shaft bore separately.
Sold from 1 piece, fulfilment within 48 hours. The price is for one pulley without bushing.
Select a Taper Lock 2012 bushing
Three selected bores are shown below. A tile opens a separate offer; it does not add the bushing 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 170/2 |
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| Pulley profile | SPA |
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| Number of grooves | 2 |
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| Datum diameter D | 170 mm |
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| Outside diameter Da | 175,6 mm |
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| Pulley width B | 35 mm |
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| Required bushing type | Taper Lock 2012 — to be purchased separately |
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| Design | Solid 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 | 3,100 kg |
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| OEM code | AT01702 |
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Selection and applications
Select belt profile, datum diameter, number of grooves, ratio and drive load. The bushing must be type 2012 with a bore matched to the shaft. Check the key connection, alignment and belt tension. NERON in Piła helps select power transmission components.
Taper Lock 2012 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 instructions. Lightly oil the screws; do not lubricate tapered surfaces.
- Position the assembly on the shaft. If a key is used, maintain the required clearance above it. Check pulley alignment and tighten the screws evenly with a torque wrench.
- The Optibelt 2012 bushing uses two screws and a tightening torque of 31 Nm. For another brand's bushing, use its manufacturer's instructions; do not transfer the torque 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 main graphic and cross-section show a simplified solid two-groove pulley without a bushing. They are illustrative and do not show all mounting-hole details of the specific piece. Actual dimensions are specified in the offer table; the diagram is not for measurement or production.
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