Single sprocket with hub, pitch 3/4", 28 teeth

MR Piñón simple 3/4" Z28 belongs to sprockets and gears, part of our Power transmission range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for Piñón simple 3/4" Z28 and any equivalents.

This simplex sprocket from MR is built for 3/4" pitch roller chain and carries 28 teeth. It has a central hub and is machined from SAE 1045 carbon steel, a grade often chosen for parts that need a balance of toughness and wear resistance. The sprocket works as one half of a chain drive; pair it with a matching ANSI chain and a second sprocket to set the ratio.

The code Simplex sprocket 3/4" Z28 tells you the main points: one row of teeth, a 3/4" chain pitch, and a tooth count of 28. The hub gives you a place to mount the sprocket on a shaft. Depending on how the equipment is built, you can lock it with a key, a set screw, or both. The SAE 1045 steel body is suitable for machined transmission parts that see regular load.

Drives of this kind show up in conveyors, elevators, mixers, agricultural implements, and general power transmission equipment. Because the pitch is 3/4", the sprocket only runs with ANSI chain of the same pitch. That size is common in medium-load, moderate-speed drives. The 28-tooth count, together with the tooth count of the opposing sprocket, sets the speed ratio of the drive.

When you select a replacement, confirm three things: the chain pitch (3/4"), the number of teeth (28), and the shaft diameter at the hub bore. Also check how the sprocket is fixed in place—keyway, set screw, or both. During installation, align this sprocket with the driven one so the chain runs straight; misalignment leads to noise and uneven wear. Keep the chain and sprocket lubricated to get the most from the assembly.

If you need a different tooth count, another pitch, or a different hub bore, we can source an equivalent. Send the part number MR-PINON-SIMPLE-3-4-Z28 or the full designation by WhatsApp, along with your chain and shaft details. We will quote the exact part or a compatible variant for your equipment.

MR supplies this sprocket alongside chains, bearings, and other transmission accessories. For a replacement inquiry, message us on WhatsApp with the part number and we will reply with the technical information you need.