# PTI 28B-21B Metric Sprocket - 1-3/4 in. Pitch, Type B Hub, Single Strand, 21 Teeth - MROSupply.com

***PTI 28B-21B metric sprocket with 1-3/4 in. pitch, 21 teeth, single strand, and Type B hub. Designed for ISO/British 28B roller chain. Suitable for power transmission applications requiring a durable, precision-machined sprocket.***



## Product details:

- Catalog number: 28B-21B
- SKU: 2193880
- Price: ***$460.96*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [PTI](https://www.mrosupply.com/brands/pti/)
- Category: 
    - [Type B Plain Bore Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/plain-bore-sprockets/type-b-plain-bore-sprockets/)
    - [Plain Bore Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/plain-bore-sprockets/)
    - [Roller Chain Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/)
    - [Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/)
    - [Chains & Sprockets](htts://www.mrosupply.com/chains-sprockets/)
- Unit of measure: each
- Technicall support: contact supplier for technical support on 704 588 1091


## Product images:
- https://static.mrosupply.com/images/noimage.webp




## Product's reviews:
- Good service - good product - good quality bearings
- Thanks - Thanks for the help. I will be ordering again
- Ring roll chain tensioner - easy to install, works great, extends chain life by keeping chain from whipping around. Reduces drive chain noise.