Single sprocket with hub, pitch 3/8", 28 teeth
- Brand
- MR
- Category
- Power transmission
- Subcategory
- Sprockets and gears
- Series
- paso 3/8"
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Description
MR Piñón simple 3/8" 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 3/8" Z28 and any equivalents.
A hub-type simplex sprocket built for direct shaft mounting with a keyway, so no extra adapter is needed. With a 3/8" pitch and 28 teeth, it fits drives that call for a defined ratio, and the SAE 1045 steel construction suits continuous duty in plants and workshops.
The part is listed as Simplex sprocket 3/8" Z28, part number MR-PINON-SIMPLE-3-8-Z28. Three values define it: a 3/8" pitch, which tells you which chain it runs with; 28 teeth, shown by the Z28 code; and SAE 1045 steel as the material. The hub is the raised center section that carries the bore and keyway for the shaft. Machined as one solid piece, it takes the loads a chain drive puts on it.
You will see this sprocket on chain drives in agricultural equipment, conveyors, elevators, packaging lines and motion systems inside industrial plants. Because the pitch is 3/8", it pairs with chains of that same pitch. The 28-tooth count gives a ratio you can combine with other sprockets to reach the speed you need. Motor output shafts and mechanisms that must stay synchronized are common homes for it.
Before mounting, confirm the shaft diameter matches the hub bore and check the keyway for wear. Line the sprocket up with the driven one and set chain tension correctly, since misalignment and slack are what shorten service life. Choose the tooth count from the ratio you need and the space you have. SAE 1045 steel can be surface treated when more wear resistance is wanted, though that depends on the job.
Looking for a replacement? Send the part number you use now, the tooth count and the chain pitch. A photo of the part or the shaft diameter also speeds things up. Sprockets and chain wheels are among the products MR manufactures, so the team can work to your requirements.
For a quote on this simplex sprocket 3/8" Z28, message the part number MR-PINON-SIMPLE-3-8-Z28 on WhatsApp. If you are unsure whether it matches your chain or your shaft, ask and we will help you sort it out.
Dimensions
- Pitch
- 3/8"
- Teeth (z)
- 28
- Material
- SAE 1045 steel
- Type
- Single sprocket with hub
Frequently asked questions
- Will this sprocket work with any 3/8" pitch chain?
- It is made for standard 3/8" pitch chains. Check that the pitch matches exactly and that 28 teeth give the ratio you need. If you are not sure, send us the chain part number and we will confirm.
- What do I need to check before mounting it on a shaft?
- Match the shaft diameter to the hub bore, inspect the keyway for damage, align the sprocket with the driven one and set the chain tension. These points have the most influence on how long the drive lasts.
- How do I ask for an equivalent sprocket?
- Send the part number you currently use, the number of teeth and the chain pitch through WhatsApp or email. A photo of the part or the shaft diameter is also useful, and we can suggest equivalents.