# Martin 140BTB21H Taper-Lock Sprocket #140 Chain 1-3/4" Pitch 21 Teeth Hardened Teeth for 3020 Bushing Steel - MROSupply.com

***Martin 140BTB21H Taper-Lock sprocket for #140 chain (1-3/4" pitch), 21 teeth, 12.660" outside diameter. Hardened teeth (Saber Tooth) for extended wear life in abrasive or high-ratio drives. Steel construction. Uses 3020 taper bushing (sold separately).***



## Product details:

- Catalog number: 140BTB21H
- SKU: 259387
- Price: ***$591.81*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Martin Sprocket](https://www.mrosupply.com/brands/martin-sprocket/)
- Category: 
    - [Taper-Lock TL Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/taper-lock-tl-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
- Weight: 25.200 lb
- Technicall support: contact supplier for technical support on 323-728-8117


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


## Product attributes;

  
- Material: Steel
  

  
- Number Of Teeth: 21
  

  
- Outside Dia: 12.660"
  

  
- Pitch: 1.750 in.
  

## Suggested products:
- [Martin 140BTB21H Taper-Lock sprocket for #140 chain (1-3/4" pitch), 21 teeth, 12.660" outside diameter. Hardened teeth (Saber Tooth) for extended wear life in abrasive or high-ratio drives. Steel construction. Uses 3020 taper bushing (sold separately).](https://www.mrosupply.com/products/259387/as-markdown/)
- [Martin 140A13 Type A plain bore roller chain sprocket for #140 chain with 1-3/4" pitch, 13 teeth, and 8.150" outside diameter. Steel construction with flat plate design and no hub, suitable for light-duty applications. Compatible with ANSI B29.1 standard roller chain.](https://www.mrosupply.com/products/259342/as-markdown/)
- [Martin 140A12 Type A plain bore roller chain sprocket for #140 chain, 1-3/4" pitch, 12 teeth, 7.581" outside diameter. Flat plate design with no hub, steel construction. Suitable for applications requiring a lightweight, compact sprocket that can be bored to size.](https://www.mrosupply.com/products/259341/as-markdown/)
- [Martin 140A15 Type A plain bore roller chain sprocket for #140 chain with 1-3/4" pitch, 15 teeth, and 9.283" outside diameter. Steel flat plate design with no hub, suitable for light-duty applications where weight is a concern.](https://www.mrosupply.com/products/259344/as-markdown/)
- [Martin 140A14 Type A plain bore roller chain sprocket for #140 chain, 1-3/4" pitch, 14 teeth, 8.717" outside diameter, steel construction. Flat plate design with no hub for lightweight applications.](https://www.mrosupply.com/products/259343/as-markdown/)

## Product's reviews:
- Great service and selection - I was very pleased to find this on the shelf. The price was fair, and the delivery was prompt.
I will do business again with MRO
- Flexible coupler - Very fast and reliable shipping.
- Plate gear - Just what I ordered at a reasonable price. Thank you, Dallas
- Nice sprocket - sprocket is very nice.