100mm Moulder Feed Rollers for CNC Machine Four Side Moulder Feed Wheels

Replacing worn feed wheels on a four side moulder? These chrome plated steel feed rollers press the board against the fence on a machined bore, so stock keeps feeding without slipping or marking. Outer diameter φ120 mm or φ140 mm, bore φ20 / φ25 / φ30 / φ35 mm, thickness 15 to 50 mm, 1–3 kg per wheel. Keyhole and round bore versions are kept in 11 regular sizes; any other size is quoted against your drawing.

Three things wear out a moulder feed section: a wheel that has lost its grip, so boards stall on the last pass; a wheel bored to the wrong size, so it wobbles and marks the timber; and a bare steel face that rusts in a humid workshop and starts slipping weeks later. These 100 mm class steel feed rollers answer all three on a four side moulder.

Each wheel is a solid steel roller with a chrome plated working face, specified by four numbers: outer diameter, bore, thickness and hole distance. Diameters are φ120 and φ140 mm, bores φ20, φ25, φ30 and φ35 mm, thicknesses 15, 20, 25, 30 and 50 mm. Two hole versions are stocked: keyhole (open slot) and round bore.

Eleven sizes are regular stock, written outer diameter × bore × thickness: keyhole φ140×30×50, φ140×35×50 and φ120×30×50 mm; round bore φ140×35×50, φ140×35×15, φ140×35×20, φ140×35×25, φ120×30×15, φ120×30×20, φ120×25×25 and φ120×30×25 mm.

Net weight is 1–3 kg per wheel: a 140×20×φ35 mm wheel is 1,082.5 g, a 140×50×φ35 mm wheel is 2,722 g. If the wheel on your machine is not listed, a precise drawing or a photo with measured dimensions is enough, so one spare in the cabinet replaces an order that stops the moulder for a week.

Each line below is something you can measure on the old wheel before ordering.

• Bore machined to the shaft — bores in φ20, φ25, φ30 and φ35 mm, so the wheel runs true instead of oscillating.
• Two hole versions — keyhole (open slot) for a keyed shaft and round bore for a clamped shaft end.
• 11 stocked sizes — φ120 and φ140 mm outer diameter, 15, 20, 25, 30 and 50 mm thickness.
• Chrome plated face — the plating covers the surface that touches the timber, so it resists rust in a humid plant.
• Solid steel body — 1–3 kg per wheel, from 1,082.5 g at 140×20×φ35 mm to 2,722 g at 140×50×φ35 mm.
• Approved on four dimensions — outer diameter, bore, thickness, hole distance, plus the machine brand.
• Weight per size — 120×20×φ30 mm 1,142.1 g, 140×30×φ35 mm 1,711 g, 120×50×φ20 mm 2,064.6 g.
• Non-standard to drawing — OD, bore, thickness and hole distance made to a precise drawing or a measured sample.
• Wood processing duty — for planer moulder and four-side planer feed sections on solid wood and panel edges.

The usual choice is a generic wheel that may not fit, or waiting on the OEM part while the moulder stands still.

• Fit is confirmed before you pay. Outer diameter, bore, thickness and hole distance are checked against your machine, so a φ120 or φ140 mm wheel bolts straight on.
• A stall costs more than the wheel. A plated, gripping face keeps the board moving, so one 1–3 kg spare avoids a stopped line.
• Rust is the first failure. The working face is chrome plated rather than bare steel, so it survives a humid workshop instead of seizing.
• Weight tells you what you buy. 1,082.5 g to 2,722 g of solid steel is a machined part, not a shell you can compare with the wheel in your hand.
• Both shaft ends, one supplier. Keyhole and round bore versions in φ20–φ35 mm bores, so one order covers the whole feed section.
• Non-standard is not a dead end. A drawing or measured sample gets the exact OD, bore, thickness and hole distance quoted.
• Mixed sizes on one order. 11 stocked sizes between φ120 and φ140 mm cover every feed position on a four side moulder.

Only when four numbers match: outer diameter, bore, thickness and hole distance. Send the machine brand and those four measurements, or a photo of the old wheel with a rule across it, and the size is confirmed before the order is placed.

The keyhole version has an open slot, so it slides past a key already on the shaft. The round bore version is a plain φ20 to φ35 mm bore for a clamped shaft end. Both are held in stock in φ120 mm and φ140 mm outer diameter.

Eleven regular sizes: φ120 mm and φ140 mm outer diameter, bores of φ20, φ25, φ30 and φ35 mm, thickness 15, 20, 25, 30 and 50 mm. The three keyhole sizes and eight round bore sizes are listed in the parameter table above.

1 to 3 kg, depending on size. A 140×20×φ35 mm wheel is 1,082.5 g, a 120×20×φ30 mm wheel is 1,142.1 g, a 140×30×φ35 mm wheel is 1,711 g, a 120×50×φ20 mm wheel is 2,064.6 g and a 140×50×φ35 mm wheel is 2,722 g.

Steel, with a chrome plated working face. It is the steel feed roller for a four side moulder feed section; PU and rubber feed wheels are separate parts and are not interchangeable with this one.

Yes. A precise drawing, or a sample with the outer diameter, bore, thickness and hole distance measured, is enough to quote a non-standard wheel in the same steel with the same chrome plating.

The chrome plated working face is the barrier, so the wheel does not flash rust the way a bare steel face does. Keeping the bore and the shaft clean when fitting it protects the part that plating does not reach.

Send the four dimensions and the machine brand, and the price is quoted for the size you need. Shipping is to be negotiated per order, arranged by the buyer or quoted as the most economical route to your address.