PU Feeding Wheels for Woodworking Four Side Planer Machines 120x30x20mm

Need a replacement feed wheel for a four-side planer without waiting on the machine builder? This is the polyurethane feeding wheel at D=120, ID=30, H=20 mm: 120 mm outer diameter, 30 mm bore, 20 mm height, PU contact face. It is sold as a woodworking machine spare for the feed positions on four-side planer and moulder lines. Measure the old wheel, match three numbers — 120, 30, 20 — and the wheel seats on the same shaft. Other sizes are quoted on request.

When a feed wheel wears on a four-side planer, three things arrive together: boards start slipping at the infeed, the finished surface picks up marks where the PU has gone flat, and the line stands still while someone chases a replacement. A worn 120 mm wheel never fails loudly — it slips quietly, the profile drifts, and every board costs extra sanding.

This is the drop-in replacement: a polyurethane feeding wheel at D=120, ID=30, H=20 mm — 120 mm outer diameter, 30 mm bore, 20 mm height. The face that meets the timber is PU, not steel, and the wheel is supplied as a spare for four-side planer and moulder feed positions.

Fitment is a measuring job, not a guess. Pull the old wheel and read three numbers with a caliper: outside diameter 120 mm, bore 30 mm, height 20 mm. When all three match, the wheel seats on the same shaft with no spacer, no machining and no adapter. When one reading differs, it is another size in the range.

That is also why the size is the part number: 120x30x20mm carries the diameter, the bore and the height in one string, so a re-order needs no drawing. Other sizes are quoted on request — send the three readings instead of guessing, and one spare on the shelf turns the next worn position into a swap.

On a spare part, the three numbers are the product.

• 120 mm outside diameter — the diameter the feed position is machined around, so the wheel sits at the same height as the one it replaces.
• 30 mm bore — the hole the shaft passes through, and the number that sets the fit; a 30 mm bore will not close down onto a thinner shaft.
• 20 mm height — the face width that meets the timber and the third number in 120x30x20mm; it decides clearance at the fence and the pressure setting.
• PU contact face — the body that grips the board is polyurethane, so timber is pressed by a polymer face at 120 mm rather than by a steel rim.
• One part number, three numbers — 120x30x20mm states diameter, bore and height, so a re-order needs no drawing and no caliper at the stores counter.
• Built for four-side planer feed positions — sold as a woodworking machine spare for the planer and moulder family that runs a 120 mm feed wheel.
• Mounts as supplied — the wheel arrives moulded complete, so nothing needs facing, boring or trimming before it goes back on the 30 mm shaft.
• Other sizes quoted on request — 120x30x20mm is one size in the range; send outside diameter, bore and height, and the answer comes back against those three numbers.

A worn feed wheel means either waiting on the machine builder's part or buying a wheel on the wrong bore. A 120 mm PU wheel with a 30 mm bore and a 20 mm face takes both off the table.

• The size is the part number. 120x30x20mm holds the outer diameter, the bore and the height in one string, so the stores counter can order without a drawing.
• Measured fit, not guessed fit. Three readings — 120 mm, 30 mm, 20 mm — decide whether it mounts, and a caliper settles them in under a minute.
• PU where the timber is gripped. The loaded face is polyurethane on a 120 mm wheel, so the contact patch is the material the feed position was built around.
• A spare on the shelf. One wheel in stock turns a worn roller into a swap instead of a stopped four-side planer and a late delivery date.
• One small part, not a feed unit. You buy the wheel that wears, so a breakdown costs a single 120 mm spare rather than a complete assembly.
• Repeat orders stay identical. Because the part number is the size, the second and third wheel match the first at 120 x 30 x 20 mm.
• Sizes beyond this one. Other sizes are quoted on request, so one supplier covers the remaining feed positions on the line.

Yes, if three measurements match: 120 mm outer diameter, 30 mm bore and 20 mm height. Pull the old wheel and check all three with a caliper — if any number differs, this size is the wrong one and the position takes another wheel from the range.

Measure the old wheel, do not read it off a manual. Outside diameter should read 120 mm, bore 30 mm, height 20 mm, and the same three numbers are what this part is listed under.

Polyurethane. The spec lists the material as PU, and the face that meets the timber is that PU body rather than a steel rim. If the position on your machine was built around a rubber wheel of the same 120 x 30 x 20 mm size, check the old part before ordering.

It is the hole the shaft passes through, and it sets the fit. A 30 mm bore will not clamp down onto a thinner shaft, so a machine running a smaller shaft takes a different wheel in the range.

20 mm. That is the face width meeting the timber, and it is the third number in 120x30x20mm — the one that decides whether the wheel clears the fence and the pressure setting already on the machine.

Yes. 120x30x20mm is one size in the range and other sizes are quoted on request — send the outside diameter, bore and height you need, and the answer comes back against those three numbers.

Four-side planer and moulder woodworking machines, in the feed positions. It is a 120 mm PU wheel with a 30 mm bore and a 20 mm face, so it is not a fit for a machine built around a different roller diameter.

Send the size and the quantity and the price is quoted per order — this page carries no fixed price. Quote 120x30x20mm (or the three readings from your old wheel) and the reply comes back against that size.