Pulley SPZ 250/1 for Taper Lock 2012 — Optibelt

Pulley SPZ 250/1 for Taper Lock bushing 2012 — Optibelt

The offer includes the pulley only. The Taper Lock bushing is not included and is sold separately.

Single-groove Optibelt TB SPZ 250/1 cast-iron pulley, spoked, intended for fitting with a type 2012 Taper Lock bushing. Select the bushing bore to match the shaft diameter.

Pulley dimensions and specifications

How to select the pulley and bushing

Check the belt profile, pulley diameter and number of grooves. Use a type 2012 bushing and select its bore to match the shaft. The designation 2012 identifies the bushing type, not the shaft diameter. Allow for the keyed connection. Available from 1 piece, fulfilment within 48 hours. The pulley price does not include the bushing; both products are ordered separately.

Taper Lock 2012 bushing installation — summary for Optibelt

Switch off the drive and secure it against starting. Follow the machine manufacturer's instructions.

1. Degrease the shaft, bushing bore and both tapered surfaces; leave them free of oil.
2. Insert the bushing into the hub and align the threaded and unthreaded halves of the holes.
3. Lightly oil only the screws and fit them loosely.
4. Position the assembly on the shaft; if a key is used, maintain clearance above it. Check pulley alignment before and after tightening.
5. Tighten evenly with a torque wrench: Optibelt TB 2012 — 31 Nm for each of the two screws. Do not apply this value to other types or brands.
6. After 30–60 minutes of operation, stop and secure the machine; check that the screws are tight. Protect unused holes with grease according to the instructions.

This summary does not replace the instructions for the particular bushing and machine. Full Optibelt instructions — PDF, table on page 2, installation on page 4.

The main image is an original illustration of the applicable single-groove pulley design without bushing. The offer table specifies the dimensions and required bushing type.