# Martin 40BTB70 Taper-Lock Sprocket #40 Chain 1/2" Pitch 70 Teeth 11.433" OD Steel - MROSupply.com

***Martin 40BTB70 Taper-Lock sprocket for #40 roller chain, 1/2" pitch, 70 teeth, 11.433" outside diameter. Steel construction. Requires 2012 series taper bushing (sold separately). Industry-interchangeable taper-lock design for secure mounting and easy removal.***



## Product details:

- Catalog number: 40BTB70
- SKU: 261938
- Price: ***$122.37*** 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: 7.940 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: 70
  

  
- Outside Dia: 11.433"
  

  
- Pitch: 0.500 in.
  

## Suggested products:
- [Martin 40A12 Type A plain bore roller chain sprocket for #40 chain, 1/2" pitch, 12 teeth, 2.166" outside diameter. Flat plate design with no hub, steel construction. Suitable for light-duty applications where a simple, economical sprocket is required.](https://www.mrosupply.com/products/261212/as-markdown/)
- [Martin 40BTB70 Taper-Lock sprocket for #40 roller chain, 1/2" pitch, 70 teeth, 11.433" outside diameter. Steel construction. Requires 2012 series taper bushing (sold separately). Industry-interchangeable taper-lock design for secure mounting and easy removal.](https://www.mrosupply.com/products/261938/as-markdown/)
- [HKK RC040R1A (alt. 40R10) is a standard ANSI 40 single strand roller chain with 1/2" pitch, 10 ft reel. Features solid bushings and rollers, pin diameter 0.156", plate height 0.457", roller diameter 0.312", roller width 5/16". Average ultimate strength 4,300 lbs, maximum allowable load 940 lbs. ANSI B29.1 compliant, made in Japan.](https://www.mrosupply.com/products/2265612/as-markdown/)
- [Martin 40A13 Type A plain bore roller chain sprocket for #40 chain with 1/2" pitch, 13 teeth, and 2.329" outside diameter. Flat plate design with no hub, steel construction. Suitable for light-duty applications where a simple, economical sprocket is required.](https://www.mrosupply.com/products/261213/as-markdown/)
- [Martin 40A112 Type A plain bore roller chain sprocket for #40 chain, 1/2" pitch, 112 teeth, 18.121" outside diameter. Flat plate design with no hub, steel construction. Suitable for applications requiring a lightweight, compact sprocket where hub projection is not needed.](https://www.mrosupply.com/products/261211/as-markdown/)

## Product's reviews:
- 21 tooth 12 dp spur gear - The 21 tooth 12 DP gear I bought arrived very quickly.
It was exactly what I needed to fix my RV slide out.
I had to machine it to fit, but I knew that when I ordered it.
VERY SATISFIED!!!
- Martin s1036 gears - Great Item, for a great deal!
- Spur gear - Our Yellow Karcher "Duckee" steers once more.
The spur gear works as advertised!!!
- Perfect - Perfect replacement part, Good purchase experience. I would use MRO again.